Abstract

The present invention relates to method for processing waste metal chloride solution using batch processing, the waste metal chloride solution comprising at least one oxidizable component, the method comprising the following steps: — in a first step, the waste metal chloride solution is fed to a reactor vessel, and an oxidation step is performed within the reactor vessel at an oxidation temperature exceeding 90°C and at an oxidation pressure exceeding 0,3 MPa, wherein at least a part of the waste metal chloride solution is oxidized during the oxidation step, wherein an at least partly oxidized metal chloride solution is obtained from the waste metal chloride solution, wherein the oxidized part of the at least partly oxidized metal chloride solution corresponds to at least a part of the at least one oxidizable component of the waste metal chloride solution prior to the oxidation step, — in a second step, subsequent to the first step, the at least partly oxidized metal chloride solution is at least partly hydrolyzed during a hydrolyzes step performed within the reactor vessel at a hydrolyzes temperature exceeding 120 °C and at an appropriate hydrolyses pressure, wherein during the hydrolyzes step hydrochloric acid is obtained.

IPC Classes  ?

• C23G 1/36 - Regeneration of waste pickling liquors
• C01G 49/06 - Ferric oxide [Fe2O3]
• C01B 7/03 - Preparation from chlorides

Abstract

The present invention relates to method for treating a steel strip by means of a treatment liquid in a treatment station, the treatment station comprising at least a spray section, an immersion section, and a common collection means for the treatment liquid, wherein the steel strip consists of carbon steel and is a continuous steel strip being oriented substantially horizontally, both in its longitudinal and transverse directions, wherein the steel strip has a top surface and a bottom surface, wherein the method comprises transporting the steel strip continuously through the treatment station in a transport direction, the transport direction being parallel to the longitudinal direction of the steel strip, such that in a first step, the treatment liquid is sprayed onto the top surface of the steel strip and onto the bottom surface of the steel strip while the steel strip being in the spray section of the treatment station, in a second step, the steel strip is immersed in the treatment liquid while the steel strip being in the immersion section of the treatment station, wherein, while treating the steel strip, the treatment liquid is continuously pumped out of the common collection means and through both the spray section and the immersion section of the treatment station, wherein spraying of the treatment liquid onto the top and bottom surfaces of the steel strip is provided using spray nozzles.

IPC Classes  ?

• C21D 8/02 - Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
• C23G 1/08 - Iron or steel

Abstract

The present invention relates to method for treating a steel strip by means of a treatment liquid in a treatment station, the treatment station comprising at least a spray section, an immersion section, and a common collection means for the treatment liquid, wherein the steel strip consists of stainless steel and is a continuous steel strip being oriented substantially horizontally, both in its longitudinal and transverse directions, wherein the steel strip has a top surface and a bottom surface, wherein the method comprises transporting the steel strip continuously through the treatment station in a transport direction, the transport direction being parallel to the longitudinal direction of the steel strip, such that -- in a first step, the treatment liquid is sprayed onto the top surface of the steel strip and onto the bottom surface of the steel strip while the steel strip being in the spray section of the treatment station, -- in a second step, the steel strip is immersed in the treatment liquid while the steel strip being in the immersion section of the treatment station, wherein, while treating the steel strip, the treatment liquid is continuously pumped out of the common collection means and through both the spray section and the immersion section of the treatment station, wherein spraying of the treatment liquid onto the top and bottom surfaces of the steel strip is provided using spray nozzles.

IPC Classes  ?

• C21D 8/02 - Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
• C23G 1/08 - Iron or steel

Abstract

The present invention relates to method of treating a pickling solution for a pickling process, wherein the pickling solution comprises silicon compounds dispersed in the pickling solution, wherein, in a first step, the pickling solution is provided to a cavity of a container means, wherein in a second step, an electro-magnetic field is created within the container means, wherein the electro-magnetic field substantially extends within the cavity, wherein, in a third step, the pickling solution provided to the cavity is treated by the electromagnetic field such that precipitates formed by the silicon compounds are dissolved and/or a formation of said precipitates is restrained.

IPC Classes  ?

• C23G 1/02 - Cleaning or pickling metallic material with solutions or molten salts with acid solutions
• C23G 1/08 - Iron or steel
• C23G 3/00 - Apparatus for cleaning or pickling metallic material
• C23G 1/00 - Cleaning or pickling metallic material with solutions or molten salts
• C23G 3/02 - Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
• B08B 3/10 - Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
• B08B 3/14 - Removing waste, e.g. labels, from cleaning liquid
• B03C 1/32 - Magnetic separation acting on the medium containing the substance being separated, e.g. magneto-gravimetric-, magnetohydrostatic-, or magnetohydrodynamic separation
• B21B 45/02 - Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
• C23G 1/36 - Regeneration of waste pickling liquors

Abstract

The present invention relates to a heating module for use in a pyrohydrolysis reactor, the heating module comprising: -- a fuel distribution system being in fluid communication with a fuel source, -- a carrier element having a plurality of built-in coupling units, wherein a coupling unit of the plurality of coupling units comprises a coupling element, wherein the coupling element of said coupling unit is in fluid communication with the fuel distribution system, -- a plurality of burner units arranged on the carrier element, wherein a burner unit of the plurality of burner units comprises a connector element and a burner element, wherein the connector element is in fluid communication with the burner element, wherein the connector element is reversibly connected to the coupling element of said coupling unit and wherein the connector element is in fluid communication with the coupling element of said coupling unit.

IPC Classes  ?

• C23G 1/36 - Regeneration of waste pickling liquors
• B01J 8/18 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with fluidised particles
• F23D 14/20 - Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
• F23C 5/02 - Structural details of mounting
• F23C 10/20 - Inlets for fluidisation air, e.g. gridsBottoms
• F27B 15/14 - Arrangements of heating devices

Goods & Services

Chemical apparatus and instruments, especially apparatuses for the processing of acids and/or other chemical compositions. Installation, maintenance and repair of machines, especially chemistry apparatus and instruments and especially apparatuses for the processing of acids and/or other chemical compositions.

Goods & Services

Chemical apparatus and instruments, in particular apparatus for processing acids and/or other chemical substances. Installation, maintenance and repair of machines, in particular chemical apparatus and instruments, in particular apparatus for processing acids and/or other chemical substances.