Various strategies can be used to address dendrite formation in zinc batteries, spanning from advanced electrode materials to optimized operating conditions. Addressing dendrite challenges is pivotal for bolstering safety in metal-based batteries. The invention relates to an electrolyte specifically designed to limit5 dendrite formation in Zn/Mg batteries providing a safer and more reliable metal or metal/air battery.
The system for dismantling the spent lithium-ion battery pack includes: a transfer section including transfer rails and a gantry robot on the transfer rails; a discharge processing section including an index table on which a discharging task of discharging a battery pack is performed; a battery disassembly section including a worktable on which a disassembly task is performed to cut connections of the battery pack, disassembly robots, and first transfer trolleys; and a cell extraction section including an extraction robot, a second transfer trolley configured to carry out battery cells, of which the connections have been cut by the disassembly task, to the outside, and a third transfer trolley configured to carry out a tray on which the battery cells are placed to the outside. The index table, the worktable, the second transfer trolley, and the third transfer trolley are arranged directly below the transfer rail.
Provided is a method for recycling a solar waste panel, according to an embodiment of the present invention, wherein the solar waste panel comprises: a glass substrate; a solar cell; an adhesive layer provided between the glass substrate and the solar cell to bond the glass substrate to the solar cell; and a frame made of a metal material to fix the laminated structure of the glass substrate, the adhesive layer, and the solar cell, and the method comprises: a crushing step of crushing the solar waste panel to a predetermined size or less; a frame removal step of sorting and removing the frame included in the crushed material crushed in the crushing step; and a dry furnace feeding step of feeding the final crushed material, from which the frame has been removed, into a dry furnace of a dry smelting process.
A method for recycling a solar waste panel, which includes a glass substrate, a solar cell, an adhesive layer provided between the glass substrate and the solar cell and bonding the glass substrate and the solar cell, and a metal frame fixing the stacking structure of the glass substrate, the adhesive layer, and the solar cell, according to the present invention comprises: a first crushing process for crushing the solar waste panel into pieces no larger than a certain size; a frame removal process for sorting and removing the frame contained in first crushed pieces crushed by the first crushing process; a second crushing process for crushing the first crushed pieces, removed of the frame by the frame removal process, into pieces no larger than a certain size; a sintering process for removing the adhesive layer between the glass substrate and the solar cell by feeding second crushed pieces, crushed by the second crushing process, into a sintering furnace and heating same; a classification process for dividing the second crushed pieces that have undergone the sintering process into the glass substrate and the solar cell, and removing the glass substrate; and a dry furnace feeding process for feeding final crushed pieces, removed of the glass substrate, into a dry furnace for a dry smelting process.
A manufacturing method for a positive electrode active material precursor using a batch reactor according to the present invention comprises the steps of: (S1) producing nuclei of the precursor; (S2) growing the nuclei produced in step S1; (S3) further growing the precursor particles grown in step S2; and (S4) further growing the precursor particles grown in step S3, wherein the agitation speed in the batch reactor is 200-900rpm in step S2, 800rpm or less in step S3, and 700rpm or less in step S4, and when the batch reactor is full, the reaction solution is allowed to overflow.
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/02 - Electrodes composed of, or comprising, active material
6.
MANUFACTURING METHOD FOR POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR
A manufacturing method for a positive electrode active material precursor according to the present invention comprises: a first step of producing nuclei of the precursor; and a second step of growing the nuclei produced in the first step, wherein, in the first and second steps, the flow rate with which a transition metal compound solution is added into a batch-type reactor is 15-55mLA/min, and the agitation speed in the reactor is 200-875rpm in the first step and 475rpm or lower in the second step.
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/02 - Electrodes composed of, or comprising, active material
A method for recovery of valuable metals according to the present invention comprises the steps of: (S1) leaching a sulfate solution from a waste battery material; (S2) adding a phosphorus-based compound to the sulfate solution to precipitate aluminum phosphate; and (S3) solid-liquid separating the aluminum phosphate from the sulfate solution, wherein the concentration of metal sulfate contained in the sulfate solution is 90 g/L or more.
Disclosed in an embodiment of the present invention is a method for producing palladium from an Ag slime, the method comprising: a gold separation step of preparing a separated filtrate in which palladium is leached by adding the Ag slime to an acid solution; a neutralization step of preparing a neutralized precipitate including palladium oxide by adding a neutralizing agent to the separated filtrate; a hydrochloric acid leaching step of preparing a hydrochloric acid leachate in which the palladium and platinum are leached, by adding hydrochloric acid to a filtrate including the neutralized precipitate; a chloride precipitation step of preparing a chloride precipitate containing the palladium by adding a precipitating agent to the hydrochloric acid leachate; and a purification step of recovering the palladium from the chloride precipitate.
One embodiment of the present invention discloses a method for recovery of nickel from a nickel matte in a sulfide form, comprising: an atmospheric pressure leaching process that leaches nickel matte in a sulfide form at atmospheric pressure; and a pressurized leaching process that leaches atmospheric pressure leaching residue of the nickel matte obtained in the atmospheric pressure leaching process at a pressure higher than the atmospheric pressure, wherein the acid concentration of a pressurized leaching solution of the nickel matte obtained in the pressurized leaching process is in a range of 10 g/L to 40 g/L.
According to a disclosed embodiment, an auto-push control system comprises: a reactor including an outer wall; an injector passing through the outer wall of the reactor to be inserted into the reactor; a sensor disposed in the injector; and a control unit for adjusting a speed at which the injector is inserted into the reactor. The control unit calculates the loss length of the injector on the basis of a signal from the sensor, and compensates for the insertion length of the injector on the basis of the calculated loss length of the injector and the predetermined insertion length of the injector according to the insertion speed of the injector.
A method for recovering Cu from a zinc sulfate solution, according to one embodiment of the present invention, is a method for recovering Cu from a zinc sulfate solution produced from a leaching process in which zinc ore is dissolved in sulfuric acid, comprising: a neutral leaching step of dissolving the zinc ore; a weak acid leaching step of producing a zinc sulfate solution by dissolving, in sulfuric acid, the solution resulting from the neutral leaching step in which the zinc ore is dissolved; a copper removal step of removing, in the form of copper cement, copper dissolved in the zinc sulfate solution; a conditioning step of reducing the solution resulting and discharged from the copper removal step; a repulping step of repulping a conditioning cake, which is a solid discharged from the conditioning step, with a zinc solution; and a solution purification leaching step of dissolving, in sulfuric acid, the solution resulting and discharged from the repulping step, thereby dissolving copper contained in the solution resulting from the repulping step, wherein zinc calcine is injected into the solution resulting and discharged from the solution purification leaching step, and then the solution resulting from the solution purification leaching step is injected back into the weak acid leaching step.
A method for recovering copper according to an embodiment of the present invention comprises: a pressure leaching process of subjecting a raw material containing copper to pressure leaching in a copper spent electrolyte containing copper and sulfuric acid, thereby leaching copper, contained in the raw material, and precipitating iron, contained in the raw material, in the form of iron oxide; and an electrolysis process of electrolyzing a post-pressure leaching process solution, discharged from the pressure leaching process, to electrodeposit and recover copper at a negative electrode, wherein the concentration of sulfuric acid in the post-pressure leaching process solution is 20 g/L to 40 g/L, and the reaction temperature of the pressure leaching process is 150°C to 200°C.
The present invention relates to a method for manufacturing lithium hydroxide. Particularly, according to an embodiment of the present invention, a method for manufacturing lithium hydroxide may be provided, the method comprising: a solution preparation step in which a lithium hydroxide solution containing impurities and lithium ions is prepared; a bonding acidic solution passage step in which a bonding acidic solution is passed through a chelating resin so that hydrogen ions are bonded to the chelating resin; a distilled water passage step in which, to remove the acidic solution remaining in the chelating resin, distilled water is passed through the chelating resin; a lithium hydroxide passage step in which the lithium hydroxide solution is passed through the chelating resin so that ions included in the impurities are bonded to the chelating resin; and a separating acidic solution passage step in which a separating acidic solution is passed through the chelating resin to which the impurities are bonded, so that the impurities bonded to the chelating resin are separated from the chelating resin.
B01D 15/38 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving specific interaction not covered by one or more of groups , e.g. affinity, ligand exchange or chiral chromatography
14.
ALL-IN-ONE NICKEL SMELTING METHOD FOR NICKEL RECOVERY FROM RAW MATERIALS CONTAINING NICKEL
The present invention provides a nickel smelting method comprising: (A-i) a reduction heat treatment step of heat treating a first raw material containing nickel and lithium; (B) a first leaching step of leaching the heat treatment product generated in the reduction heat treatment step; (A-ii) a roasting step of heat treating a second raw material containing nickel and sulfur; (C) a second leaching step of leaching the first leached residue generated in the first leaching step and the roasted ore generated in the roasting step; (D) a neutralization step of neutralizing the second leached solution generated in the second leaching step; and (E) a purification step of removing impurities contained in the neutralized solution generated in the neutralization step.
The present invention provides a method for preparing a nickel sulfate aqueous solution, the method comprising: (A-i) a reduction heat treatment step of heat-treating a first raw material containing nickel and lithium; (B) a first leaching step of leaching a heat treatment product generated through the reduction heat treatment step; (A-ii) a roasting step of heat-treating a second raw material containing nickel and sulfur; (C) a second leaching step of leaching first leaching residues generated through the first leaching step and roasted ore generated through the roasting step; (D) a neutralization step of neutralizing a second leachate generated through the second leaching step; and (E) a solvent extraction step of purifying nickel from a neutralized solution generated through the neutralization step.
The present invention provides a nickel smelting method which includes: (A-i) a reduction heat treatment process of heat-treating a first raw material containing nickel and lithium; (B) a first leaching process of leaching a heat treatment product generated by the reduction heat treatment process; (A-ii) a roasting process of heat-treating a second raw material containing nickel and sulfur; (C) a second leaching process of leaching a first leaching residue generated by the first leaching process and a calcine generated by the roasting process; (D) a neutralization process of neutralizing a second leached solution generated by the second leaching process; (E) a purification process of removing impurities contained in a neutralized solution generated by the neutralization process; and (F) a precipitation process of performing a precipitation method for recovering nickel from a purified solution generated by the purification process, wherein nickel hydroxide is recovered by the precipitation process.
The present invention provides a nickel smelting method comprising: (A-i) a reduction heat treatment step for heat-treating a first raw material containing nickel and lithium; (B) a first leaching step for leaching a heat-treated product produced by the reduction heat treatment step; (A-ii) a roasting step for heat-treating a second raw material containing nickel and sulfur; (C) a second leaching step for leaching a first leaching residue produced by the first leaching step and a roasted ore produced by the roasting step; (D) a neutralization step for neutralizing a second leachate produced by the second leaching step; (E) a purification step for removing impurities contained in a neutralized solution produced by the neutralization step; and (F) a reduction step for performing hydrogen reduction on a purified solution produced by the purification step to recover nickel from the purified solution.
The present invention provides a nickel smelting method comprising: (A-i) a reduction heat treatment process for heat-treating a first raw material containing nickel and lithium; (B) a first leaching process for leaching the heat-treated product generated in the reduction heat treatment process; (A-ii) a first roasting process for heat-treating a second raw material containing nickel and sulfur; (C) a second leaching process for leaching the first leaching residue generated in the first leaching process and the roasted ore generated in the first roasting process; (D) a neutralization process for neutralizing the second leachate generated in the second leaching process; (E) a purification process for removing impurities contained in the post-neutralization solution generated in the neutralization process; (F) a precipitation process for performing precipitation on the post-purification solution generated in the purification process; and (G) a second roasting process for recovering nickel from the precipitated residue by roasting the precipitated residue generated in the precipitation process.
A nickel recovering method includes: (A-i) a reduction heat treatment process for thermally treating a first raw material containing nickel and lithium; (B) a first leaching process for leaching the heat-treated product produced by the reduction heat treatment process; (A-ii) a first roasting process for thermally treating a second raw material containing nickel and sulfur; (C) a second leaching process for leaching the first leaching residue produced by the first leaching process and calcine produced by the first roasting process; (D) a neutralization process for neutralizing the second leachate produced by the second leaching process; (E) a purification process for removing impurities contained in the neutralized solution produced by the neutralization process; (F) a precipitation process for performing precipitation on the purified solution produced by the purification process; and (G) a second roasting process for roasting the precipitated residue produced by the precipitation process to recover nickel.
Provided herein is a nickel recovering method, comprising: (A-i) a reduction heat treatment process for thermally treating a first raw material containing nickel and lithium; (B) a first leaching process for leaching the heat-treated product produced by the reduction heat treatment process; (A-ii) a roasting process for thermally treating a second raw material containing nickel and sulfur; (C) a second leaching process for leaching the first leaching residue produced by the first leaching process and calcine produced by the roasting process; (D) a neutralization process for neutralizing the second leachate produced by the second leaching process; (E) a purification process for removing impurities contained in the neutralized solution produced by the neutralization process; and (F) a precipitation process of performing a precipitation method to recover nickel from the purified solution produced by the purification process, and a nickel hydroxide is recovered by the precipitation process.
C22B 3/04 - Extraction of metal compounds from ores or concentrates by wet processes by leaching
C22B 3/22 - Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means
C22B 3/38 - Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
C22B 3/44 - Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
Provided herein is a nickel recovering method, comprising: (A-i) a reduction heat treatment process for thermally treating a first raw material containing nickel and lithium; (B) a first leaching process for leaching the heat-treated product produced by the reduction heat treatment process; (A-ii) a roasting process for thermally treating a second raw material containing nickel and sulfur; (C) a second leaching process for leaching the first leaching residue produced by the first leaching process and calcine produced by the roasting process; (D) a neutralization process for neutralizing the second leachate produced by the second leaching process; and (E) a purification process for removing impurities contained in the neutralized solution produced by the neutralization process.
Provided herein is a method for preparing a nickel sulfate aqueous solution, comprising: (A-i) a reduction heat treatment process for thermally treating a first raw material containing nickel and lithium; (B) a first leaching process for leaching the heat-treated product produced by the reduction heat treatment process; (A-ii) a roasting process for thermally treating a second raw material containing nickel and sulfur; (C) a second leaching process for leaching the first leaching residue produced by the first leaching process and the calcine produced by the roasting process; (D) a neutralization process for neutralizing the second leached solution produced by the second leaching process; and (E) a solvent extraction process for refining nickel in the neutralized solution produced by the neutralization process.
Provided herein is a nickel recovering method, comprising: (A-i) a reduction heat treatment process for thermally treating a first raw material containing nickel and lithium; (B) a first leaching process for leaching the heat-treated product produced by the reduction heat treatment process; (A-ii) a roasting process for thermally treating a second raw material containing nickel and sulfur; (C) a second leaching process for leaching the first leaching residue produced by the first leaching process and calcine produced by the roasting process; (D) a neutralization process for neutralizing the second leachate produced by the second leaching process; (E) a purification process for removing impurities contained in the neutralized solution produced by the neutralization process; and (F) a reduction process for performing a hydrogen reduction method on the purified solution produced by the purification process to recover nickel from the purified solution.
C22B 3/00 - Extraction of metal compounds from ores or concentrates by wet processes
C22B 3/04 - Extraction of metal compounds from ores or concentrates by wet processes by leaching
C22B 3/22 - Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means
C22B 3/38 - Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
C22B 3/44 - Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
A treatment method of a waste battery according to the present invention comprises: a discharge process for discharging waste batteries; a disassembly process for disassembling the discharged waste batteries into individual cells; a crushing process for crushing the disassembled waste batteries; a firing process for firing the waste batteries crushed into the individual cells; a grinding process for grinding the fired waste batteries; and a wet process for extracting and collecting metal from the ground waste batteries.
A method for producing manganese sulfate solution using a sulfur dioxide gas reduction leaching method according to an embodiment of the present invention comprises: a raw material preparation step for preparing a manganese-containing by-product containing manganese and impurities; a pulverizing step and a cleaning step for pulverizing and cleaning the manganese-containing by-product; a reduction leaching step for leaching the manganese-containing by-product pulverized by the pulverizing step and the cleaning step; a neutralization step for neutralizing the leached solution produced through the reduction leaching step; a first purification step for purifying the neutralized solution produced through the neutralization step; and a second purification step for further purifying the first purified solution produced through the first purification step, wherein the reduction leaching step is performed using inorganic acid and sulfur dioxide gas.
The present invention relates to a method for recovering lithium. Provided according to an embodiment of the present invention may be a method for recovering lithium, the method comprising the steps of: preparing a lithium-containing solution containing lithium ions; exchanging the lithium ions with the ions included in the chelate resin so that the lithium ions are bonded to the chelate resin while the lithium-containing solution passes through the chelate resin; and passing an acidic solution through the chelate resin to which the lithium ions are bonded so that the lithium ions are separated from the chelate resin.
C22B 3/42 - Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
C22B 3/38 - Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
27.
METHOD FOR REMOVING CHLORINE IN ZINC HYDROMETALLURGY
The present disclosure provides a method for removing chlorine from a process solution in zinc hydrometallurgy, the method comprising: a step for preparing the process solution from a leaching process of leaching a zinc calcine; a step for introducing the process solution to a reactor and introducing a lead concentrate into the reactor while blowing-in oxygen; a step for solid-liquid separating of a slurry in a filtration tank, the slurry being produced in the reactor; and a step for post-processing a filtrate and a lead concentrate residue separated in the step for solid-liquid separating, wherein chlorine ions in the process solution and silver contained in the lead concentrate react with each other in the reactor to precipitate a silver chloride.
The present disclosure discloses a method for leaching copper using a pressure leaching technique, according to one embodiment, including: a raw material preparation step of preparing a raw material containing copper; and a pressure leaching step including a step of introducing the raw material into a leachate in a pressurization device and pressure-leaching copper while injecting oxygen into the pressurization device.
An automated battery disassembly system according to one embodiment includes: a workstation including a first worktable, a second worktable, a third worktable, and a discharging worktable; a discharging device; a robot device; a transfer device; and a controller electrically connected to the robot device and the transfer device. The controller is configured to control the robot device to: when a battery pack is disposed on the first worktable, separate an upper cover from the battery pack; when the battery pack is disposed on the discharging worktable, discharge the battery pack by connecting the battery pack to the discharging device; when the discharged battery pack is disposed on the second worktable, separate a battery module from the discharged battery pack; and when the battery module is disposed on the third worktable, separate battery cells from the battery module.
The present disclosure relates to a method for removing halide from halide-containing Waelz oxide. According to the method, it is possible to effectively remove halide contained in Waelz oxide, especially insoluble fluoride such as CaF2, which are difficult to remove under atmospheric pressure conditions and present as insoluble substances. Accordingly, in the process of recovering valuable metals, an additional process for adjusting the concentration of fluorine or chlorine present in the electrolyte can be omitted, and costs can be reduced.
A method for manufacturing an electrolytic copper foil according to one embodiment of the present disclosure includes: preparing an electrolyte containing copper ion and nickel ion by dissolving copper (Cu) and nickel (Ni) in sulfuric acid; and forming a copper layer by supplying an electric current to a positive plate and a negative electrode rotating drum disposed apart from each other in the electrolyte. The concentration of the nickel ion is 50 ppm to 350 ppm.
The present disclosure discloses a method for refining an iron oxide that is a by-product of a zinc smelting process, the method including a roasting process of roasting the iron oxide, a washing process of washing a roasted iron oxide cake with a washing water, and a filtering process of filtering the washed iron oxide cake, thereby providing refined iron oxide.
A method for recovering iron and valuable metals from electric arc furnace dust includes: an electric arc furnace dust treatment process of treating electric arc furnace dust to produce an intermediate product containing iron; an intermediate product treatment process of heating the intermediate product to a predetermined temperature range so that the intermediate product charged into a melting furnace is melted and reduced; and a recovery process of recovering metallic iron produced by reduction from the intermediate product and recovering valuable metals generated in the form of dust. The intermediate product treatment process includes a reducing agent charging process of charging a reducing agent containing carbon into the melting furnace to increase an amount of the metallic iron reduced from the intermediate product. The reducing agent is charged into the melting furnace at an equivalent ratio of 1.7:1 to 3.1:1 relative to iron oxide contained in the intermediate product.
A method for producing manganese(II) sulfate monohydrate includes a pulverization and washing step of pulverizing and washing a manganese-containing by-product, a leaching step of leaching the pulverized manganese-containing by-product after the pulverization and washing step to produce a leachate, a neutralization step of neutralizing the leachate produced in the leaching step, an impurity removal step of removing impurities from the leachate neutralized in the neutralization step, a solvent extraction step of recovering manganese in the form of an aqueous solution of manganese sulfate from a process liquid subjected to the impurity removal step by using a solvent extraction method, and a crystallization step of producing manganese(II) sulfate monohydrate by evaporating and concentrating the aqueous solution of manganese sulfate produced in the solvent extraction step.
A method for producing a nickel sulfate solution includes a leaching step of leaching a nickel cathode in sulfuric acid under a high temperature and a high pressure to produce a leachate, a neutralization step of neutralizing the leachate produced in the leaching step to produce a neutralized solution, and a filtration step of filtering the neutralized solution produced in the neutralization step to produce a filtrate.
A method for producing an aqueous solution containing nickel, cobalt and manganese, includes: a leaching process including a pressure-leaching process of leaching a raw material under pressure to form a leachate containing nickel, cobalt, manganese and impurities; an impurity removal process of removing the impurities from the leachate; a target substance precipitation process of precipitating a mixed hydroxide precipitate containing nickel, cobalt and manganese by introducing a neutralizing agent into a filtrate from which the impurities are removed; and a dissolution process. The pressure-leaching process includes a first-stage pressure-leaching process and a second-stage pressure-leaching process of pressure-leaching a residue of the first-stage pressure-leaching process with an acidity higher than an acidity in the first-stage pressure-leaching process. The impurity removal process includes a first-stage solvent extraction process of selectively extracting zinc from the impurities and a second-stage solvent extraction process of selectively extracting magnesium from the impurities.
C22B 3/00 - Extraction of metal compounds from ores or concentrates by wet processes
C22B 3/38 - Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
The present invention relates to a method for recovering iron and valuable metals from electric arc furnace dust. Specifically, a method for recovering iron and valuable metals from electric arc furnace dust can be provided according to one embodiment of the present invention, the method comprising: an electric arc furnace dust treatment step for treating electric arc furnace dust to produce an intermediate product containing iron; an intermediate product treatment step for heating the intermediate product at a previously set temperature range so that the intermediate product placed in a smelter is smelted and deoxidized; and a recovery step for recovering metal iron generated by deoxidation of the intermediate product and contained in the smelter in the smelted state, and recovering valuable metals produced in the form of dust in the intermediate product treatment step, wherein the intermediate product treatment step comprises a reducing agent addition step for adding a reducing agent containing carbon into the smelter so as to increase the amount of metal iron that is deoxidized from the intermediate product, and the reducing agent is added into the smelter at the equivalence ratio of 1.7-3.1 relative to the iron oxide contained in the intermediate product.
A copper sulfate electrolyte production method includes a copper melting step of producing molten copper by melting a raw material containing copper (Cu) in a melting furnace, an atomizing step of producing copper powder by spraying the molten copper with an atomizer, a leaching step of forming a copper sulfate solution by dissolving the copper powder in a leaching step input solution in a leaching reactor, a purification filtration step of removing impurities contained in the copper sulfate solution, and a conditioning step of preparing an electrolytic feed solution by mixing an electrolytic cell circulation liquid with the copper sulfate solution from which the impurities are removed in an electrolytic cell.
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
C25D 3/38 - ElectroplatingBaths therefor from solutions of copper
39.
Method for producing nickel sulfate solution for secondary battery from nickel cathode
A method for producing a nickel sulfate solution includes a leaching step of leaching a nickel cathode in sulfuric acid under a high temperature and a high pressure to produce a leachate, a neutralization step of neutralizing the leachate produced in the leaching step to produce a neutralized solution, and a filtration step of filtering the neutralized solution produced in the neutralization step to produce a filtrate.
B09B 3/80 - Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
C22B 3/00 - Extraction of metal compounds from ores or concentrates by wet processes
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 10/54 - Reclaiming serviceable parts of waste accumulators
The embodiments disclosed herein relates to a method for producing a secondary battery material from black mass. The method for producing a secondary battery material from black mass according to one embodiment includes a roasting step of roasting black mass, a pre-extraction step of leaching a roasted black mass roasted in the roasting step with water to separate a lithium solution and a cake, a first evaporation concentration step of producing lithium carbonate crystals by evaporating and concentrating the lithium solution produced in the pre-extraction step, a leaching step of leaching the cake separated in the pre-extraction step, a first purification step of removing copper and aluminum from the leaching solution produced in the leaching step, a post-extraction step of neutralizing the solution prepared in the first purification step and separating the solution into a lithium solution and a cake containing Ni, Co, and Mn (NCM cake), a feeding step of feeding the lithium carbonate crystals produced in the first evaporation concentration step and the lithium solution prepared in the post-extraction step to a lithium hydroxide production step.
An automated battery disassembly system according to one embodiment includes: a workstation including a first worktable, a second worktable, a third worktable, and a discharging worktable; a discharging device; a robot device; a transfer device; and a controller electrically connected to the robot device and the transfer device. The controller is configured to control the robot device to: when a battery pack is disposed on the first worktable, separate an upper cover from the battery pack; when the battery pack is disposed on the discharging worktable, discharge the battery pack by connecting the battery pack to the discharging device; when the discharged battery pack is disposed on the second worktable, separate a battery module from the discharged battery pack; and when the battery module is disposed on the third worktable, separate battery cells from the battery module.
B23P 19/04 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
42.
METHOD FOR RECOVERY OF VALUABLE METALS FROM SPENT SECONDARY BATTERIES
A method for recovering valuable metals from a spent secondary battery according to an embodiment of the present disclosure includes a pre-processing process of pre-processing the spent secondary battery, a melting process of heating the pre-processed spent secondary battery to generate a molten solution, and a recovery process of recovering the valuable metals from the molten solution. In the melting process, a chlorinating agent is added, and, in the recovery process, lithium is recovered in a form of lithium dust.
A method for processing a by-product of zinc hydrometallurgy, according to one embodiment of the present disclosure, includes a pressure leaching process of pressure leaching a lead/silver-containing by-product, which is generated in a finishing leaching process of zinc hydrometallurgy, by using an autoclave so that contents of zinc and iron contained in a leaching residue are less than 1 wt %, respectively.
A method for producing an aqueous solution containing nickel or cobalt includes: (A) a leaching step, which includes a first atmospheric pressure heating leaching step and a second atmospheric pressure heating leaching step, in which a raw material is heated and leached under an atmospheric pressure to form a leachate solution containing nickel, cobalt, and impurities; (B) a first extraction step of separating the leachate solution into a first filtrate containing nickel and impurities and a first organic layer containing cobalt and impurities by adding a first solvent extractant to the leachate solution; (C-i) a precipitation removal step of precipitating and removing impurities including magnesium, calcium, or a mixture thereof by adding a precipitating agent to the first filtrate; and (D-i) a target material precipitation step of selectively precipitating a nickel cake containing nickel by adding a neutralizing agent to the first filtrate.
A method for producing manganese(II) sulfate monohydrate includes a pulverization and washing step of pulverizing and washing a manganese-containing by-product, a leaching step of leaching the pulverized manganese-containing by-product after the pulverization and washing step to produce a leachate, a neutralization step of neutralizing the leachate produced in the leaching step, an impurity removal step of removing impurities from the leachate neutralized in the neutralization step, a solvent extraction step of recovering manganese in the form of an aqueous solution of manganese sulfate from a process liquid subjected to the impurity removal step by using a solvent extraction method, and a crystallization step of producing manganese(II) sulfate monohydrate by evaporating and concentrating the aqueous solution of manganese sulfate produced in the solvent extraction step.
A method for recovering valuable metals from a spent secondary battery includes a pre-processing process of pre-processing the spent secondary battery, a melting process of heating the pre-processed spent secondary battery to generate a molten solution, and a recovery process of recovering the valuable metals from the molten solution. In the melting process, a chlorinating agent is added, and, in the recovery process, lithium is recovered in a form of lithium dust.
The embodiments disclosed herein relates to a method for producing a secondary battery material from black mass. The method for producing a secondary battery material from black mass according to one embodiment includes a roasting step of roasting black mass, a pre-extraction step of leaching a roasted black mass roasted in the roasting step with water to separate a lithium solution and a cake, a first evaporation concentration step of producing lithium carbonate crystals by evaporating and concentrating the lithium solution produced in the pre-extraction step, a leaching step of leaching the cake separated in the pre-extraction step, a first purification step of removing copper and aluminum from the leaching solution produced in the leaching step, a post-extraction step of neutralizing the solution prepared in the first purification step and separating the solution into a lithium solution and a cake containing Ni, Co, and Mn (NCM cake), a feeding step of feeding the lithium carbonate crystals produced in the first evaporation concentration step and the lithium solution prepared in the post-extraction step to a lithium hydroxide production step.
A method for manufacturing an electrolytic copper foil, according to one embodiment of the present invention, comprises: a copper melting step of melting, in a melting furnace, a material containing copper (Cu), thereby preparing molten copper; an atomizing step of spraying the molten copper with an atomizer, thereby preparing a copper powder; a leaching step of dissolving the copper powder in a leaching process injection solution in a leaching tank, thereby forming a copper sulfate solution; a purification and filtration step of removing the impurities contained in the copper sulfate solution; and a conditioning step of mixing, in an electrolytic bath, an electrolytic bath circulation solution and the copper sulfate solution from which the impurities have been removed, thereby preparing an electrolytic feed solution.
The present invention provides a method for producing an aqueous solution containing nickel or cobalt, the method comprising: (A) a leaching step for leaching a raw material under atmospheric pressure to form a leachate containing nickel, cobalt, and impurities, the leaching step including a first atmospheric pressure heated leaching step and a second atmospheric pressure heated leaching step; (B) a first extraction step for introducing a first solvent extractant to the leachate to separate the leachate into a first filtrate, containing nickel and impurities, and a first organic layer, containing cobalt and impurities; (C-i) a precipitation removal step for introducing a precipitant to the first filtrate to precipitate and remove impurities including magnesium, calcium, or a mixture thereof; and (D-i) a target material precipitation step for selectively precipitating a nickel cake containing nickel by introducing a neutralizing agent to the first filtrate that has had the impurities precipitated and removed.
C22B 3/04 - Extraction of metal compounds from ores or concentrates by wet processes by leaching
C22B 3/00 - Extraction of metal compounds from ores or concentrates by wet processes
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/02 - Electrodes composed of, or comprising, active material
50.
METHOD FOR PRODUCING NICKEL SULFATE SOLUTION FOR SECONDARY BATTERY FROM NICKEL CATHODE
The present invention provides a method for producing a nickel sulfate solution, the method comprising: a leaching step for leaching a nickel cathode in sulfuric acid at high temperature and high pressure; a neutralization step for neutralizing a leachate from the leaching step; and a filtration step for filtering a neutralized solution obtained from the neutralization step, and thereby producing a filtrate.
Provided in one embodiment of the present disclosure is a method for leaching copper by using pressure leaching, comprising: a raw material preparation step of preparing a raw material including copper; and a pressure leaching step, which includes a step of putting the raw material into the leachate in a pressurization device, and pressure leaching copper while injecting oxygen into the pressurization device.
An automatic battery dismantling system according to one embodiment may comprise: a work unit comprising a first workbench, a second workbench, a third workbench, and a discharging workbench; a discharging device; a robotic device; a conveyance device; and a control unit electrically connected with the robotic device and the conveyance device. The control unit may be configured to control the robotic device so as to: separate a top cover from a battery pack when the battery pack is placed on the first workbench; discharge the battery pack by connecting the battery pack to the discharging device when the battery pack is placed on the discharging workbench; separate a battery module from the discharged battery pack when the discharged battery pack is placed on the second workbench; and separate battery cells from the battery module when the battery module is displaced on the third workbench.
A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
A62C 99/00 - Subject matter not provided for in other groups of this subclass
53.
METHOD FOR PRODUCING AQUEOUS SOLUTION CONTAINING NICKEL, COBALT AND MANGANESE
The present invention provides a method for producing an aqueous solution containing nickel, cobalt, and manganese, the method comprising: a leaching step including a pressure leaching step for forming a leachate containing nickel, cobalt, manganese, and impurities by pressure leaching a raw material; an impurity removal step for removing the impurities from the leachate; a target material precipitation step for precipitating a mixed hydroxide precipitate containing nickel, cobalt, and manganese by introducing a neutralizing agent to the leachate that has had the impurities removed; and a dissolution step for dissolving the mixed hydroxide precipitate in an acid, wherein the pressure leaching step includes a first-stage pressure leaching step and a second-stage-pressure leaching step for pressure leaching residue from the first-stage pressure leaching step at a higher acidity than the first-stage pressure leaching step, and the impurity removal step includes a first-stage solvent extraction step, in which a first solvent extractant is added to selectively extract zinc from the impurities, and a second-stage solvent extraction step, in which a second solvent extractant is added to selectively extract magnesium from the impurities.
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/02 - Electrodes composed of, or comprising, active material
54.
METHOD FOR PROCESSING BY-PRODUCT OF HYDROMETALLURGICAL PROCESS OF ZINC WITH REDUCED CARBON EMISSION
A method for processing by-product of a hydrometallurgical process of zinc according to one embodiment of the present invention can comprise a pressure-leaching step in which lead/silver-containing by-product generated in the final leaching step of the hydrometallurgical process of zinc is pressure-leached in an autoclave so that zinc and iron content in the leached residue is each less than 1 wt%.
A method for recovery of valuable metals from spent secondary batteries, according to one embodiment of the present invention, comprises: a pretreatment step of pretreating the spent secondary batteries; a melting step of generating melt by heating the pretreated spent secondary batteries; and a recovery step of recovering valuable metals from the melt. A chlorinating agent is added in the melting step, and lithium is recovered in the form of lithium dust in the recovery step.
H01M 10/54 - Reclaiming serviceable parts of waste accumulators
C22B 9/10 - General processes of refining or remelting of metalsApparatus for electroslag or arc remelting of metals with refining or fluxing agentsUse of materials therefor
The present invention provides a method for removing chlorine in a process solution in zinc hydrometallurgy, the method comprising the steps of: preparing a process solution from a leaching process for leaching zinc calcine; adding the process solution into a reaction tank, and adding a lead concentrate into the reaction tank while blowing oxygen; subjecting a slurry formed in the reaction tank to solid-liquid separation in a filtration tank; and post-treating a filtrate and lead concentrate residue which have been separated in the solid-liquid separation step, wherein, in the reaction tank, chlorine ions in the process solution and silver contained in the lead concentrate react to precipitate silver chloride.
The present disclosure relates to a method for removing halides from waelz oxide which comprises halides. According to the present method it is possible to effectively remove halides included in waelz oxide, particularly insoluble fluorides such as CaF2 that are difficult to remove in normal pressure conditions and are insoluble, and thus it is possible to reduce costs by reducing additional steps for adjusting the concentration of fluorine or chlorine present in an electrolyte during a valuable metal recovery process.
The present invention is a method for refining iron oxide which is a by-product of a zinc smelting process, the method comprising: a firing process for firing the iron oxide; a washing process for washing an iron oxide cake with a washing liquid, after the firing; and a step for providing iron oxide by filtering the washed iron oxide cake and refining same.
A method for manufacturing an electrolytic copper foil, according to one embodiment of the present invention, comprises the steps of: dissolving copper (Cu) and nickel (Ni) in sulfuric acid to prepare an electrolytic solution containing copper ions and nickel ions; and forming a copper layer by supplying current to a positive electrode plate and a negative electrode rotating drum that are disposed apart from each other in the electrolytic solution, wherein the concentration of the nickel ions is adjusted to 50 ppm to 350 ppm.
A method for controlling the properties of an electrolytic copper foil, according to one embodiment of the present invention, adds a glossiness control agent so as to adjust the glossiness of an electrolytic copper foil, and thus controls properties including tensile strength, elongation and illuminance, wherein the range of glossiness is adjusted to be 35-400 GU(60°).
A method for producing manganese(II) sulfate monohydrate, according to one embodiment of the present invention, comprises: a pulverization and cleaning process for pulverizing and cleaning a manganese-containing by-product produced in a hydrometallurgical zinc refining process; a leaching process for leaching the pulverized manganese-containing by-product after the pulverization and cleaning process; a neutralization process for neutralizing a leach solution produced as a result of the leaching process; an impurity removal process for removing impurities from the leach solution which has been neutralized by means of the neutralization process; a solvent extraction process for, by using a solvent extraction method, recovering manganese, in the form of an aqueous solution of manganese(II) sulfate, from the process solution which has gone through the impurity removal process; and a crystallization process for producing manganese(II) sulfate monohydrate by evaporating and concentrating the aqueous solution of manganese(II) sulfate produced in the solvent extraction process.
B01D 11/04 - Solvent extraction of solutions which are liquid
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 4/02 - Electrodes composed of, or comprising, active material
62.
METHOD FOR PREPARING SECONDARY BATTERY MATERIAL FROM BLACK MASS
Embodiments of the present disclosure relate to a method for preparing a secondary battery material from black mass. The method for preparing a secondary battery material from black mass, according to one embodiment, comprises: a firing step of firing black mass; a pre-extraction step of dissolving, in water, the black mass fired in the firing step, thereby separating same into a lithium solution and a cake; a first evaporation concentration step of evaporating and concentrating the lithium solution produced in the pre-extraction step, thereby preparing a lithium carbonate crystal; a leaching step of leaching the cake separated out in the pre-extraction step; a first purification step of removing copper and aluminum from the leaching solution produced by means of the leaching step; a post-extraction step of neutralizing the solution obtained from the first purification step, thereby separating same into a lithium solution and a cake (NCM cake) comprising Ni, Co and Mn; and a transfer step of transferring, to a lithium hydroxide preparation step, the lithium carbonate crystal produced by means of the first evaporation concentration step and the lithium solution separated out by means of the post-extraction step.
Introduced is an economical method, using a combination of wet and dry processes, for smelting nickel from nickel concentrate, comprising the steps of: leaching, with sulfuric acid, sulfide concentrate containing nickel, so as to separate same into a leachate and a leaching cake; injecting oxygen into the leachate so as to separate same into a first filtrate and first impurities containing iron; injecting an extractant into the first filtrate so as to separate same into a second filtrate and second impurities containing cobalt; injecting sodium carbonate into the second filtrate so as to separate same into a third filtrate and a precipitate containing nickel; and calcining the precipitate, thereby preparing a nickel product.
A vertical autoclave according to an embodiment of the present disclosure is a vertical autoclave including an inlet port through which a process solution is introduced, an outlet port through which the process solution is discharged, an oxygen inlet port through which oxygen is supplied to the process solution, an agitator configured to mix the process solution, an inner wall, an acid-resistant brick layer lined on a lower portion and a side portion of the inner wall, and an acid-resistant metal layer lined on an upper portion of the inner wall. A method of removing salt from an autoclave includes raising a surface level of a solution in the autoclave from a first level to a second level such that salt in the autoclave is immersed in the solution, and maintaining the surface level of the solution at the second level. The salt is dissolved in the solution while the surface level of the solution is maintained at the second level.
A method of recovering iron from a zinc sulfate solution according to an embodiment of the present disclosure is associated with recovering iron from a zinc sulfate solution produced by a leaching process in which zinc ore is dissolved in sulfuric acid. The method comprises a conditioning process including a step of reducing a conditioning process input solution, which is the zinc sulfate solution, and an iron precipitation process for recovering iron as hematite, including a step of pressurizing and oxidizing an iron precipitation process input solution discharged from the conditioning process. The iron precipitation process is performed at a temperature ranging from 135° C. to 150° C. and a pressure ranging from 5 barg to 10 barg.
The vertical autoclave according to one embodiment of the present invention, which has an injection port via which processing liquid is injected, a discharge port via which the processing liquid is discharged, an oxygen injection port for supplying oxygen to the processing liquid, a stirrer for mixing the processing liquid, and an inner wall, comprises: an acid-resistant brick layer lining the lower and side parts of the inner wall; and an acid-resistant metal layer lining the upper part of the inner wall. In addition, the method for removing salts inside an autoclave according to one embodiment of the present invention comprises: increasing the surface level of a solution portion from a first level to a second level so that salts inside an autoclave are immersed in the solution portion; and maintaining the surface level of the solution portion at the second level, wherein the salts are dissolved into the solution portion while the surface level of the solution portion is maintained at the second level.
A method for recovering iron from a zinc sulfate solution, according to one embodiment of the present invention, comprises, in a method for recovering iron from a zinc sulfate solution to be generated from a leaching process of dissolving zinc ore in sulfuric acid, a conditioning process comprising a step of reducing a conditioning process injection solution, which is the zinc sulfate solution, and an iron precipitation process of recovering iron as hematite by comprising a step of pressure-oxidizing an iron precipitation process injection solution discharged from the conditioning process, wherein the iron precipitation process is carried out at a temperature of 135-150°C and a pressure of 5-10 barg. In addition, a method for recovering iron from a zinc sulfate solution, according to one embodiment of the present invention, comprises, in a method for recovering iron from a zinc sulfate solution to be generated from a leaching process of dissolving zinc ore in sulfuric acid, a conditioning process comprising a step of reducing a conditioning process injection solution, which is the zinc sulfate solution, and an iron precipitation process of recovering iron as hematite by comprising a step of pressure-oxidizing an iron precipitation process injection solution discharged from the conditioning process, wherein the oxidation-reduction potential of the iron precipitation process injection solution is -100 mV or less when a silver/silver chloride electrode is used as a reference electrode.
Presented is a method for economically smelting nickel from nickel laterite ores by a combination of wet and dry processes, comprising the steps of: preparing a dissolution solution by dissolving, in a strong acid, a hydroxide mixture comprising nickel and impurities; separating the impurities by injecting an organic material into the dissolution solution; injecting a first neutralizer into the post solution from which impurities are separated and calcining the same, so as to obtain nickel oxide; and preparing a nickel product by reducing the nickel oxide.
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (Republic of Korea)
ALANTUM CORPORATION (Republic of Korea)
Inventor
Lee, In-Sung
Park, Man-Ho
Jun, Jae-Ho
Park, Chi-Rok
Kim, Bum-Soo
Lee, Chang-Woo
Choi, Sung-Hwan
Abstract
The present invention relates to a cathode current collector for a solid oxide fuel cell and, more particularly, to a cathode current collector inserted between a cell and a metal separator constituting a unit of a fuel cell stack, and a solid oxide fuel cell comprising the same.
C25D 1/08 - Perforated or foraminous objects, e.g. sieves
C25D 3/12 - ElectroplatingBaths therefor from solutions of nickel or cobalt
C25D 3/56 - ElectroplatingBaths therefor from solutions of alloys
C25D 5/50 - After-treatment of electroplated surfaces by heat-treatment
C25D 5/56 - Electroplating of non-metallic surfaces of plastics
H01M 4/86 - Inert electrodes with catalytic activity, e.g. for fuel cells
H01M 8/124 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (Republic of Korea)
ALANTUM CORPORATION (Republic of Korea)
Inventor
Lee, In-Sung
Park, Man-Ho
Jun, Jae-Ho
Park, Chi-Rok
Kim, Bum-Soo
Lee, Chang-Woo
Choi, Sung-Hwan
Abstract
The present invention relates to a cathode current collector for a solid oxide fuel cell and, more particularly, to a cathode current collector inserted between a cell and a metal separator constituting a unit of a fuel cell stack, and a solid oxide fuel cell comprising the same.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
Goods & Services
Nickel; nickel ingots; nickel alloy ingots; molybdenum iron; silicon iron; chrome iron; steel alloys; nickel alloys coated with catalytic materials; alloyed iron coated with catalytic materials; alloyed iron; nickel alloys; semi-finished articles of unrefined nickel; nickel foam; nickel alloys foam. Particulate air filters for exhaust systems for internal combustion engines; particulate filters (parts of engines); filters (parts of machine); air filters for automobile engines; catalytic converter units for vehicle exhausts; catalytic converters; exhausts for engines; exhaust manifold for engines; exhausts for motors and engines.
72.
Open-porous metal foam body and a method for fabricating the same
FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V. (Germany)
Inventor
Walther, Gunnar
Klöden, Burghardt
Böhm, Juliane
Büttner, Tilo
Weissgärber, Thomas
Kieback, Bernd
Boden, Arne
Böhm, Hans-Dietrich
Kim, Hyuntae
Choi, James
Jang, Myungjoon
Böhm, Alexander
Fröhlich, Stefan
Dölling, Winfried
Abstract
Disclosed are an open-porous metal foam and a method for manufacturing the same. An open-porous metal foam according to an exemplary embodiment of the present invention is made of an iron-based alloy including 15 wt % or more of chrome and 5 wt % or more of aluminum. The open-porous metal foam is a semi-product that is formed of iron or the iron-based alloy that does not include chrome and aluminum or includes a smaller amount of chrome and aluminum in the powder when manufacturing, and the surface and the open pore thereof are uniformly coated with the powder of the iron-chrome-aluminum alloy and the organic binding agent. When heat treatment is performed under a reduction atmosphere, sintering is performed. In this case, the metal foam body that is formed of the iron-chrome-aluminum alloy is obtained by compensating concentrations of alloy elements between the semi-product and the powder by diffusion, and a content of chrome and aluminum in the metal foam is smaller than a content of chrome and aluminum included in a starting alloy of the used powder.
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium
Disclosed is a method of manufacturing a porous metal foam cone assembly. The metal foam cone assembly according to the present invention includes providing a porous metal foam sheet; cutting the porous metal foam sheet to be in a predetermined shape using a cutting press that is provided with a knife tool; disposing the cut metal foam sheet on a base plate of a forming die and then primarily forming the metal foam sheet using a mandrel of a cone shape; secondarily forming the metal foam sheet using a left slider and a right slider of the forming die; and pressing an overlapping portion of the metal foam sheet using a stamping jig of the forming die after the forming using the left and right sliders.
F28F 3/06 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element
B21D 51/10 - Making hollow objects characterised by the structure of the objects conically or cylindrically shaped objects
B21D 5/08 - Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
74.
PROCESS FOR PRODUCTION OF METAL-FOAM BODIES INTEGRATED IN HOUSINGS
A process for the production of a metal-foam body integrated in a housing is provided, which includes the following steps: the provision of a housing (30a, 30b); the provision of at least one layer of a lamellar metal foam (10); the application of a binding agent and a metal powder to the metal foam and/or to the inner wall of the housing (10); the forming of a metal- foam body (20a, 20b) from the at least one layer of metal foam (10), with the result that the metal-foam body (20a, 20b) has a base surface A that is dimensioned such that the metal-foam body (20a, 20b), when it is inserted into the housing (30a, 30b), touches an inner wall of the housing (10) at several points; the introduction of the metal-foam body (20a, 20b) into the housing (30a, 30b); and the heating of the housing (10) and the inserted metal foam (20a, 20b) to a temperature Ts =1,0000 °C. A metal-foam body integrated in a housing is also given.
B22F 7/04 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite layers with one or more layers not made from powder, e.g. made from solid metal
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B23K 35/00 - Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
B23K 20/16 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating with interposition of special material to facilitate connection of the parts, e.g. material for absorbing or producing gas
The present invention relates to a catalyst support body (100) with a longitudinal axis (103) comprising a honeycomb body (101) and a housing (102), wherein the honeycomb body (101) consists of at least three metal layers (104) arranged one above the other, which are wound with their end surfaces in each case starting from a common centre into layers lying one above the other in the form of a spiral and are secured in the sleeve of the housing (102), wherein the metal layers consist of metal-foam layers, and wherein a metal-foam layer developed as a corrugated sheath (107) is arranged between two planar metal-foam layers (105, 106), wherein attachment sections (108) on the outside of the corrugated sheath (107) connect it to the planar metal-foam layers (105, 106).
The invention relates to a device for the catalytic treatment of exhaust gases of motor vehicles which comprises a catalyst substrate designed as a hollow cylinder, an inlet-side and an outlet-side gas baffle and an outer wall, wherein the gas baffles enclose the catalyst substrate and the outlet-side gas baffle and the catalyst substrate form a first cavity into which an exhaust-gas stream can be fed, passing through the catalyst substrate and entering a second cavity which is surrounded by outer wall, gas baffles and catalyst substrate, wherein the outlet-side gas baffle has gas vents, and wherein the recessed part of the outlet-side gas baffle is beaded, with the result that the catalyst substrate is fixed. The invention also relates to a process for the production of the device according to the invention and its use, plus a method for cleaning exhaust gases of motor vehicles.
A filter device for filtering automobile exhaust gas includes a case, front and rear support flanges mounted inside the case, and the filter member mounted between the front and rear support flanges. The front and rear support flanges are fixed vertically to the front and rear end portions of the filter member, respectively. The filter member includes a laminated or rolled-up metallic foam filter and a metallic mat or a jacket wrapping around the metallic foam filter. The porous pipe mounted inside the filter member is formed with a plurality of holes. The porous pipe is structured such that the width thereof decreases gradually towards the rear end portion or increase gradually towards the rear end portion, or the holes in the rear end portion are smaller, or a conical member is inserted in the inside space, or a pyramidal member is inserted in the inside space.
F01N 3/02 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
Disclosed herein is a filter device for reducing automobile exhaust fume. The filter device includes a case, a front flange mounted inside the case, a rear flange mounted inside the case, and a filter member mounted between the front and rear flanged. The case includes an inlet port, a porous tube and an exhaust port. The filter member includes a laminated-type or rolled-up type metallic foam filter mounted between the front and rear flanges, and a jacket wrapped around the metallic foam filter. The exhaust gas that flows inside the porous tube passes through the metallic foam filter. The jacket is formed in a network form to maintain the shape of the metallic foam filter and provide durability thereto. The jacket is formed with a rectangular vent hole. The jacket holds the metallic foam filter such that the shape, construction and position of the metallic foam filter can be maintained.
F01N 3/02 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
The invention relates to an apparatus for the separation of particles contained in exhaust gases of internal combustion engines in which the exhaust gas flow is guided through a filter medium in which particles can be absorbed and held back. The invention should improve the separation in a cost effective manner with respect to conventional particle filters. In accordance with the invention, the filter medium (1) is made from a metal open-pore foam having at least two layers (1.1, 1.2, 1.3) which each have a thickness, porosity and/or pore size in the flowthrough direction through the filter medium which differ from one another. In one embodiment, the particle filter includes first and second filter medium layers where the first filter medium has a mean pore size larger than a mean pore size of the second filter medium, and the first filter medium has a thickness that increases in a direction of the exhaust gas flow inlet passage of the filter housing.
Fraunhofer Gesellschaft zur Forderung der angewandten Forschung E.V. (Germany)
Inventor
Naumann, Dirk
Walther, Gunnar
Böhm, Alexander
Abstract
The invention relates to metal foam bodies having an open-porous structure as well as a method for producing thereof wherein according to the set task such metal foam bodies are to be provided which achieve an increased oxidation resistance and/or an increased corrosion resistance. With the metal foam bodies having an open-porous structure according to the invention, for such metal foam bodies within the webs of the open-porous structure there are channel shaped cavities formed as being determined by the production. At the same time, the webs and cavities will be provided with a metallic protective layer made of a material differing from the metallic starting material of the foam body or the channel shaped cavities will be filled with this material. For this, an adequate metal powder or an alloy component being included in the powder will be used which becomes liquid and forms a liquid phase respectively during thermal treatment below a temperature at which the metal of the base foam body is melting. Due to the capillary action wetting the surfaces of channel shaped cavities within the webs can be achieved such that after cooling down a metallic protective layer is forming or the channel shaped cavities are filled.
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung E.V. (Germany)
Inventor
Böhm, Alexander
Naumann, Dirk
Büttner, Tilo
Walther, Gunnar
Saberi, Shadi
Timberg, Lloyd
Abstract
The invention relates to a method for fabricating an open-porous metal foam body with a nickel base alloy, to a metal foam body fabricated this way as well as advantageous applications for the separation of specific components and pollutants from fluid flows. On the occasion, according to the set object open-porous metal foam bodies which have improved mechanical properties, and in addition an enlarged specific surface and/or increased surface roughness are to be provided. During fabricating it is proceeded such that an open-porous base foam body made of nickel or a nickel base alloy is coated with a liquid binding agent. Subsequent to this, a mixture of a powdery nickel base alloy and an organic component the temperature of phase transformation of which is at least 30 degrees centigrade from its solid phase to the liquid phase is deposited. The temperature should then be below the respective temperature of phase transformation. By means of thermal treatment the binding agent and the organic component are expelled, a portion of the powder particles is sintered, and a further portion of the powder particles is connected with the surface of the base foam body in a material-fit manner via sintering bridges.
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung E.V. (Germany)
Inventor
Naumann, Dirk
Weissgarber, Thomas
Bohm, Alexander
Abstract
The invention relates to components which are produced or processed by powder metallurgy, and to processes for producing components of this type. The components produced by powder metallurgy are intended both to have porous regions and to provide fluid-tight properties, and it should also be possible to produce them at correspondingly low cost and suitably flexibly. For this purpose, a component of this type has at least one porous region, which is formed from an intermetallic phase or solid solutions. However, it may also have a corresponding surface coating. Moreover, in a component of this type there is at least one areal fluid-tight region which is formed from a meta or metal alloy of the corresponding intermetallic phase or solid solution.
Fraunhofer Gesellschaft zur Förderung der angewandten FORSCHUNG E.V. (Germany)
Inventor
Naumann, Dirk
Timberg, Lloyd
Böhm, Alexander
Walther, Gunnar
Abstract
The invention relates to open-pored metallic foam bodies as well as a method for manufacturing thereof. These metallic foam bodies are allowed to be advantageously used with ambient environmental conditions causing a high corrosion to many conventional materials, and accordingly reducing the lifetime thereof frequently. According to the set object, the metallic foam bodies should have a low mass simultaneously with a high specific surface, and increased corrosion resistance under chemically aggressive ambient environmental conditions. An open-pored metallic foam body according to the invention is then developed such that it is formed from a nickel-copper alloy having at least 40 percent by weight of nickel and yet a porosity of at least 90%.
C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
C22C 19/03 - Alloys based on nickel or cobalt based on nickel
C22C 9/06 - Alloys based on copper with nickel or cobalt as the next major constituent
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
12 - Land, air and water vehicles; parts of land vehicles
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Common metals and their alloys; metalic substrates not
included in other classes; catalytic materials not included
in other classes; goods of common metal, not included in
other classes; metal foams of catalytic material; metal
foams coated with catalytic materials. Exhaust gas catalytic converters and parts thereof;
catalytic materials; exhausts for motors and engines. Parts of vehicles. Treatment of materials, particularly catalytic treatment of
metal substrates. Engineering consulting services; engineering consulting
services in the field of exhaust gas catalytic converters
and materials used therefor.
01 - Chemical and biological materials for industrial, scientific and agricultural use
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
12 - Land, air and water vehicles; parts of land vehicles
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Common metals and their alloys; metallic substrates; catalytic materials; goods of common metals; metal foams made out of catalytic material; metal foams coated with catalytic materials; exhaust gas catalytic converters and parts thereof; exhausts for motors and engines; parts of vehicles. (1) Treatment of materials, namely catalytic treatment of metallic substrates; engineering consulting services; engineering consulting services in the field of exhaust gas catalytic converters and the therefore used materials.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
12 - Land, air and water vehicles; parts of land vehicles
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Common metals and their alloys; goods of metal, namely filtration substrates and carriers for catalytic materials, not included in other classes; catalyst materials of metal alloys, not included in other classes; goods of common metal not included in other classes; metal foams of catalyst material; metal foams coated with catalyst materials. Catalytic converters and parts thereof; catalyst materials for exhaust gas filtration and catalytic converters, included in class 7; catalytic converters for engines, motors and machines. Parts of vehicles, included in class 12. Treatment of materials, in particular catalytic treatment of metal substrates. Engineering services; technical consultancy in the field of exhaust gas filtration and catalytic converters and materials used therein.
