Abstract

The present invention relates to a reactor (2) for aquatic worm and/or worm biomass production, a system (4) provided therewith and method there for. The reactor (2) according to the invention comprises: - a vessel (24) provided with an inner compartment having an inner compartment wall (6); - an outer compartment provided substantially around and/or parallel to the inner compartment, the outer compartment having an outer compartment wall (10), and defining a chamber (12) between the inner and outer compartments walls; - filling material (14) arranged in the chamber (12) to receive and support the worms (18); and - a feed input (38) for providing a feed flow to the worms (18), a waste output (50), and a worm output (48).

IPC Classes  ?

• C02F 3/32 - Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
• A01K 67/033 - Rearing or breeding invertebrates; New breeds of invertebrates

Abstract

The invention relates to a method and device for providing a first volume of water with a net positive charge and/or a second volume of water with a net negative charge, water obtainable with said method and use of said water as an acid or a base, for cleaning, disinfection or production of a beverage, or for energy storage. The method comprises the steps of: - providing at least two containers next to each other and filling the containers with deionized water; - providing an electrode in two of the containers; and - creating a water bridge between the at least two containers by applying a voltage between the electrodes, wherein the water thus obtains a net charge of at least 10 μ C / L, preferably at least 25 μ C / L, more preferably at least 50 μ C / L and most preferably at least 75 μ C / L.

IPC Classes  ?

• C02F 1/461 - Treatment of water, waste water, or sewage by electrochemical methods by electrolysis

Abstract

The present invention relates to a method and a device for performing an ion-exchange process. The device according to the invention comprises: - a first electrode; - a second electrode separated from the first electrode; - a number of electrolyte compartments provided between the first and the second electrodes, wherein the electrolyte compartments are formed by a number of alternately provided cation exchange membranes and anions exchange membranes that are provided at a mutual distance, wherein the mutual distance is variable.

IPC Classes  ?

• B01D 61/46 - Apparatus therefor

Abstract

The present invention relates to a method, system and plant for generating energy from a gas, the method comprising the steps of: providing a gas flow to a flow channel; production of cations and anions; diffusing of the cations towards a cation- selective electrode and of the anions towards an anion-selective electrode; adsorbing the cations and anions by the electrodes; and transporting of electrons through an electrical circuit to maintain electro-neutrality of the electrodes and generate electrical energy.

IPC Classes  ?

• H01M 8/22 - Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elementsFuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen
• F03G 7/00 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
• B01D 61/00 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltrationApparatus, accessories or auxiliary operations specially adapted therefor
• B01D 53/00 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
• H01M 8/06 - Combination of fuel cells with means for production of reactants or for treatment of residues

Abstract

The present invention relates to a method for extracting metal and/or metalloid ions from an aqueous medium, comprising the steps of: a) mixing the aqueous medium with an ionic liquid comprising an aliphatic carboxylate anion having at least one unsaturated carbon-carbon bond, or and/or with a cation comprising at least two amino acids; b) transferring the metal and/or metalloid ions from the aqueous medium to the ionic liquid; c) separating the ionic liquid and the aqueous medium; and d) obtaining the metal and/or metalloid ions from the ionic liquid by at least one method selected from electrochemically reducing the metal and/or metalloid ions, crystallization, and precipitation. Further, the present invention relates to the ionic liquids and their use thereof.

IPC Classes  ?

• B01D 11/04 - Solvent extraction of solutions which are liquid
• C02F 1/26 - Treatment of water, waste water, or sewage by extraction
• C22B 3/00 - Extraction of metal compounds from ores or concentrates by wet processes

Abstract

The present invention relates to an ultrasonic crystallizer, and a system and method there for. The crystallizer according to the invention comprises: a liquid channel provided with an inlet and an outlet; one or more transducers capable of producing one or more waves to generate an attracting structure between the inlet and the outlet comprising a number of nodes and/or node regions resulting from the interfering waves for attracting and crystallizing particles from a liquid.

IPC Classes  ?

• B01J 19/10 - Processes employing the direct application of electric or wave energy, or particle radiationApparatus therefor employing sonic or ultrasonic vibrations
• B01J 19/06 - Solidifying liquids
• B01D 9/00 - Crystallisation
• B01D 21/28 - Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like

Abstract

The invention relates to a method, device and system for disinfecting a liquid. More specifically, the method relates to killing micro-organisms in drinking water, for example. The method according to the invention comprises: providing the liquid to a liquid channel; generating one or more acoustic waves with one or more transducers; - generating a filter of nodes and/or node regions with the one or more waves such that particles in the liquid are hindered; and treating the liquid with UV.

IPC Classes  ?

• C02F 1/00 - Treatment of water, waste water, or sewage
• C02F 1/36 - Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
• C02F 1/32 - Treatment of water, waste water, or sewage by irradiation with ultraviolet light
• G01N 1/10 - Devices for withdrawing samples in the liquid or fluent state

Abstract

The invention relates to an ultrasonic separator, and a system, waste water treatment and method therefore. The separator according to the invention comprises: a liquid channel provided with an inlet and an outlet; and One or more transducers to generate a three-dimensional separating structure between the inlet and the outlet comprising a number of node lines resulting from interfering waves for capturing the particles.

IPC Classes  ?

• C02F 1/36 - Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
• C02F 11/12 - Treatment of sludgeDevices therefor by de-watering, drying or thickening
• B01D 21/28 - Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like

Abstract

The invention relates to a method, device and system for disinfecting a liquid. More specifically, the method relates to killing micro-organisms in drinking water, for example. The method according to the invention comprises: providing the liquid to a liquid channel; generating one or more acoustic waves with one or more transducers; - generating a filter of nodes and/or node regions with the one or more waves such that particles in the liquid are hindered; and treating the liquid with UV from an UV-source.

IPC Classes  ?

• C02F 1/32 - Treatment of water, waste water, or sewage by irradiation with ultraviolet light
• C02F 1/36 - Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations

Abstract

A method and system for thermal generation of electricity in direct manner. The invention relates more particularly to the generation of energy from a temperature difference. The method comprises of: • providing a container with an electrolyte at a first temperature; • placing in the container at least one anion-selective electrode and at least one cation-selective electrode with electrical capacitance; • arranging an electrical connection between the electrodes; • charging the electrodes with the resulting voltage difference; and • bringing the electrodes into contact with an electrolyte at a second temperature and discharging the electrodes.

IPC Classes  ?

• H01M 6/36 - Deferred-action cells containing electrolyte and made operational by physical means, e.g. thermal cells
• H01M 14/00 - Electrochemical current or voltage generators not provided for in groups Manufacture thereof
• C02F 1/469 - Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
• H01L 35/32 - SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR - Details thereof operating with Peltier or Seebeck effect only characterised by the structure or configuration of the cell or thermocouple forming the device
• C02F 1/42 - Treatment of water, waste water, or sewage by ion-exchange

Abstract

The invention relates to a combined sensor-actuator system, foil, device provided with the combined sensoractuator system, and method therefor. The combined sensor- actuator system for detecting and/or controlling deposit on a surface comprises: - a sensor matrix which can be arranged on or at a surface, - an actuator which can act on the surface for the purpose of controlling the deposit; and - control means operatively connected to the sensor matrix and suitable for detecting a local deposit and controlling the actuator on the basis of a sensor signal.

IPC Classes  ?

• C02F 5/08 - Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
• G01N 17/00 - Investigating resistance of materials to the weather, to corrosion or to light
• B08B 7/00 - Cleaning by methods not provided for in a single other subclass or a single group in this subclass
• C02F 1/00 - Treatment of water, waste water, or sewage

Abstract

The invention relates to a device for photocatalytic treatment of a fluid, comprising: - a container for holding a fluid with at least one inlet and at least one outlet; - at least one field generator which during use creates an electrical, magnetic or electromagnetic field; - at least one light source placed in the container and comprising a converter, which converter during use converts the field generated by the field generator to light; and - a photocatalyst placed in the container.

IPC Classes  ?

• C02F 1/72 - Treatment of water, waste water, or sewage by oxidation
• C02F 1/32 - Treatment of water, waste water, or sewage by irradiation with ultraviolet light
• C02F 1/30 - Treatment of water, waste water, or sewage by irradiation

Abstract

The invention relates to a wireless sound source for disinfecting a fluid, comprising an ultrasonic converter for direct or indirect conversion of an electric, magnetic or electromagnetic field to ultrasonic sound. The invention also relates to a device and method therefor, wherein the device comprises : a container for holding a fluid with at least one inlet and at least one outlet; and at least one sound source placed in the container; and at least one field generator which creates an electric, magnetic or electromagnetic field during use.

IPC Classes  ?

• C02F 1/36 - Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
• B06B 1/00 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency
• C02F 1/32 - Treatment of water, waste water, or sewage by irradiation with ultraviolet light
• B01J 19/10 - Processes employing the direct application of electric or wave energy, or particle radiationApparatus therefor employing sonic or ultrasonic vibrations
• B01D 51/08 - Amassing the particles, e.g. by flocculation by varying the pressure of the gas or vapour by sound or ultrasonics

Abstract

The present invention relates to a device and method for purifying a fluid such as an aqueous liquid flow. The purifying device herein comprises: - a container for the fluid; - electrodes placed in the container and operatively connected to an alternating current source; and - an ultrasonic wave generator placed in the container.

IPC Classes  ?

• C02F 1/36 - Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
• C02F 1/461 - Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
• C02F 1/28 - Treatment of water, waste water, or sewage by sorption
• C02F 1/32 - Treatment of water, waste water, or sewage by irradiation with ultraviolet light
• C02F 1/30 - Treatment of water, waste water, or sewage by irradiation

Abstract

The invention relates to a method and device for preventing and/or combatting biological fouling on system surfaces such as membrane surfaces. The method herein comprises the following steps of: - generating an electromagnetic and/or magnetic field using field-generating means; and - changing the field polarity to prevent and/or combat the adhesion of biological fouling to a system surface.

IPC Classes  ?

• B08B 17/02 - Preventing deposition of fouling or of dust
• B08B 7/00 - Cleaning by methods not provided for in a single other subclass or a single group in this subclass
• B08B 9/027 - Cleaning the internal surfacesRemoval of blockages
• C02F 1/48 - Treatment of water, waste water, or sewage with magnetic or electric fields

Abstract

The present invention relates to a hydrophone pump, and container and method therefor. The hydrophone pump comprises: - a housing provided with a reactor chamber; - an inlet for admitting and discharging fluid into and out of the reactor chamber; and - a piezo-element provided drivably on at least one side of the reactor chamber.

IPC Classes  ?

• B01F 11/02 - Mixing by means of ultrasonic vibrations
• C02F 1/36 - Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
• B01J 19/10 - Processes employing the direct application of electric or wave energy, or particle radiationApparatus therefor employing sonic or ultrasonic vibrations
• B06B 3/00 - Processes or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic or ultrasonic frequency

Abstract

The invention relates to a optical trap (2), chip and sensor system comprising the optical trap (2) and chip and method for manufacturing thereof. The optical trap (2) comprises: -a substrate; and -at least two waveguides (4, 6) deposited on the substrate by a microfabrication process, each waveguide (4, 6) having an exiting surface (12, 14) from which a beam can exit the waveguide (4, 6) when in use, wherein the exiting surfaces (12, 14) of the waveguides (4, 6) face each other and are separated by a distance (L).

IPC Classes  ?

• G01N 21/65 - Raman scattering
• B01L 3/00 - Containers or dishes for laboratory use, e.g. laboratory glasswareDroppers
• G01N 33/18 - Water
• G21K 1/00 - Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
• G02B 6/12 - Light guidesStructural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
• G02B 6/125 - Bends, branchings or intersections

Abstract

The present invention relates to a washing device and method for washing objects such as hands. The washing device comprises: - a washbasin provided with a wall at least partially enclosing a washing space, and an opening for inserting an object for washing; at least one liquid outlet arranged on or close to the wall; at least one air opening arranged on or close to the wall for extracting and/or supplying air, and airflow means connected to the air opening for discharging and/or supplying air; air feed means connected to the air outlet for supplying air to the air outlet; - liquid feed means connected to the liquid outlet for supplying liquid to the liquid outlet; and liquid discharge means for discharging liquid.

IPC Classes  ?

• E03C 1/048 - Water-basin installations specially adapted to wash-basins or baths supplying water through two or more openings around or along one side of the water-basin
• E03C 1/181 - Anti-splash devices in sinks, e.g. splash guards
• A47K 7/04 - Washing or cleaning devices, hand or mechanically operated

Abstract

The present invention relates to an apparatus and a method for obtaining a specific ion from a fluid. The apparatus according tot the invention comprises: -a compartment for containing the fluid; -a first and a second electrode placed in the compartment,wherein in use the first and second electrodes are of an opposite polarity; and -at least one membrane placed between the first and second electrodes, wherein the membrane is specific ion-selective.

IPC Classes  ?

• B01D 61/42 - ElectrodialysisElectro-osmosis
• B01D 61/44 - Ion-selective electrodialysis
• B01D 61/46 - Apparatus therefor
• G01N 27/333 - Ion-selective electrodes or membranes

Abstract

The invention relates to a purification device and method for purifying a fluid. The purification device comprises: –wave-generating means for generating acoustic and/or electromagnetic waves capable to produce wave interference and/or local enhancement of wave intensity;and –control means for controlling the wave generating means capable to achieve a structure with the generated waves such that the structure behaves as a filter.

IPC Classes  ?

• C02F 1/30 - Treatment of water, waste water, or sewage by irradiation
• C02F 1/36 - Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
• C02F 1/34 - Treatment of water, waste water, or sewage with mechanical oscillations
• B01J 19/12 - Processes employing the direct application of electric or wave energy, or particle radiationApparatus therefor employing electromagnetic waves
• B01J 19/10 - Processes employing the direct application of electric or wave energy, or particle radiationApparatus therefor employing sonic or ultrasonic vibrations
• C02F 1/38 - Treatment of water, waste water, or sewage by centrifugal separation
• C02F 1/00 - Treatment of water, waste water, or sewage

Abstract

The invention relates to a device for upgrading a fluid,and a system and method therefore. The device comprises: -a housing for containing the fluid; -an anode compartment provided with an anode,and a cathode compartment provided with a cathode; and -an upgrading compartment separated from the anode compartment by a first membrane and separated from the cathode compartment by a second membrane.

IPC Classes  ?

• H01M 8/16 - Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts
• H01M 8/22 - Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elementsFuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen
• H01M 16/00 - Structural combinations of different types of electrochemical generators

Abstract

The invention relates to a membrane, stack of membranes for use in an electro-membrane process and a device and method therefore. The membrane comprises: membrane material; one or more fluid supply channels provided in or on at least one side of the membrane material; one or more fluid outlet channels provided in or on at least one side of the membrane material, wherein the fluid supply channels are connected to the fluid outlet channels through passage ways.

IPC Classes  ?

• B01D 61/50 - Stacks of the plate-and-frame type
• B01D 63/08 - Flat membrane modules
• B01D 69/06 - Flat membranes
• C02F 1/469 - Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
• H01M 8/22 - Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elementsFuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen

Abstract

The invention relates to a method for membrane cleaning and a device wherein this method can be applied. The method comprises the steps of : -operating a device for performing an electro-membrane process; and -applying inverse electrical pulses to the device. The device comprises a number of anode and cathode compartments provided with a number of electrodes, a number of cation exchange membranes and a number of anion exchange membranes, placed alternately between the compartments, and function generator means capable of providing inverse electrical pulses. Between or during the pulses, alternating or fluctuating current and /or voltage is applied.

IPC Classes  ?

• B01D 61/52 - AccessoriesAuxiliary operation
• B01D 61/54 - Controlling or regulating
• C02F 1/469 - Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis

Abstract

The invention relates to a method and a device for preventing fouling in a reverse electrodialysis process. The method comprises the steps of : providing a reversed electrodialysis stack, comprising a number of membranes; supplying the stack with at least two feed streams; and - applying a preventive periodic osmotic shock to the fouling layers of the membranes.

IPC Classes  ?

• H01M 8/22 - Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elementsFuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen
• B01D 65/08 - Prevention of membrane fouling or of concentration polarisation

Abstract

The present invention relates to a method and device for growing biomass on sludge, comprising the steps of: -providing aquatic worms in a reactor, -providing a sludge for growing aquatic worm biomass, -supplying the reactor, comprising the aquatic worms, with the sludge to allow aquatic worm biomass to grow, and, -obtaining compounds selected from the group consisting of proteins, lipids, fatty acids, and amino acids from the aquatic worm biomass.

IPC Classes  ?

• C02F 11/02 - Biological treatment
• A01K 67/033 - Rearing or breeding invertebrates; New breeds of invertebrates
• A23K 1/18 - specially adapted for particular animals
• C02F 3/32 - Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae

Abstract

The invention relates to a system and method for treating an aqueous waste stream. The system comprises a predation reactor, comprising a support for supporting aquatic worms, wherein the support is configured such that the worms can be positioned substantially in a horizontal position, and supply means for providing sludge from the waste stream to the predation reactor.

IPC Classes  ?

• C02F 11/02 - Biological treatment
• A01K 67/033 - Rearing or breeding invertebrates; New breeds of invertebrates
• C02F 3/32 - Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae

Abstract

The invention relates to a spacer, cell and membrane for an ion-exchanging process, and a method for operating such process, and a method for providing a membrane connected to a corresponding spacer part. The spacer according to the invention comprises: -a first part comprising a first material; and -a second part comprising a second material, wherein at least one material is an ion exchanging material. Preferably, both the materials of the first and second part of the spacer are ion conductive materials and wherein preferably the spacer parts are provided with openings that extend substantially in one direction wherein in use these openings of adjacent spacer parts extend substantially perpendicular to each other.

IPC Classes  ?

• B01D 61/48 - Apparatus therefor having one or more compartments filled with ion-exchange material
• B01D 61/50 - Stacks of the plate-and-frame type
• B01D 61/52 - AccessoriesAuxiliary operation
• C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
• H01M 8/22 - Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elementsFuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen

Abstract

The invention relates to an energy generating system and method. The system comprises: - a first capacitive element with a current collector; - a cation-exchange material placed between the first capacitive element and the fluid; - a second capacitive element with a current collector; and - an anion-exchange material placed between the second capacitive element and the fluid, wherein the cation- and anion-exchange materials are in contact with the fluid, the fluid alternately comprising a concentrate and a diluate for respectively charging and discharging the capacitive elements, thereby generating energy.

IPC Classes  ?

• H01M 8/22 - Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elementsFuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen
• C02F 1/469 - Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis

Abstract

The invention relates to a device and method for performing an electrodialysis or reverse electrodialysis process. The device comprises: - a number of anode compartments provided with an anode placed in an anode fluidium comprising reagents for an oxidation reaction; - a number of cathode compartments, separated from the anode compartments provided with a cathode placed in a cathode fluidium comprising reagents for a reduction reaction,- a number of cation exchange membranes and anion exchange membranes, placed alternately between the cathode and the anode, whereby electrolyte compartments are formed between the cation exchange membranes and the anion exchange membranes; and - a number of intermediate layers placed between two adjacent membranes in at least a part of the electrolyte compartments, wherein each layer is provided with channels and wherein the channels of the intermediate layers are arranged such that a fluid flows through the electrolyte compartments.

IPC Classes  ?

• H01M 8/22 - Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elementsFuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen
• B01D 61/42 - ElectrodialysisElectro-osmosis
• C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis

Abstract

The present invention relates to a device and method for purifying a liquid. The device comprises: - a container for the liquid for purifying; and - treatment means for selectively applying an electric and/or electromagnetic field in the container, wherein the electric and/or electromagnetic field is such that a gas discharge occurs in gas bubbles present in the liquid, wherein radicals are created which have a purifying effect on the liquid and/or decompose organic components in the liquid.

IPC Classes  ?

• C02F 1/48 - Treatment of water, waste water, or sewage with magnetic or electric fields
• C02F 1/00 - Treatment of water, waste water, or sewage
• C02F 1/32 - Treatment of water, waste water, or sewage by irradiation with ultraviolet light
• C02F 1/72 - Treatment of water, waste water, or sewage by oxidation
• C02F 1/78 - Treatment of water, waste water, or sewage by oxidation with ozone

Abstract

The present invention relates to a device and a method for disinfection and purification of a fluid, like drinking water. The device comprises: - a fluidized bed reactor provided with a suspension of conductive particles that are capable of adsorbing contaminating elements like organisms, organic compounds and/or ions; - an anode and a cathode for providing a substantial number of particles with a charge; - means for generating an electrical and/or electromagnetic field by providing a potential difference between the anode and the cathode; and - an inlet for a fluid, possibly comprising contaminating elements, wherein the fluid is exposed in the device to the electrical and/or electromagnetic field thereby disinfecting and/or purifying the fluid.

IPC Classes  ?

• C02F 1/467 - Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection
• C02F 1/48 - Treatment of water, waste water, or sewage with magnetic or electric fields
• C02F 1/28 - Treatment of water, waste water, or sewage by sorption

Abstract

The present invention relates to a method and system for supercritical removal of an inorganic compound. The method comprising the steps of: - bringing a fluid comprising one or more inorganic fractions at supercritical conditions; - separating at least one of the fractions in the fluid; - cooling and/or depressurizing the fluid; and, - removing the at least one separated fraction.

IPC Classes  ?

• C02F 1/02 - Treatment of water, waste water, or sewage by heating
• C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
• C02F 1/04 - Treatment of water, waste water, or sewage by heating by distillation or evaporation
• C02F 103/08 - Seawater, e.g. for desalination

Abstract

The present invention relates to a device comprising a first electrode compartment, the anode compartment, and a second electrode compartment, the cathode compartment, with a quantity of an anode fluid comprising an electrochemically oxidizable substrate and optional further compounds in the anode compartment, a quantity of a cathode fluid comprising an electrochemically reducible substrate and optional further compounds in the cathode compartment, and further an anode at least partially in contact with the anode fluid in the anode compartment and a cathode at least partially in contact with the cathode fluid in the cathode compartment, wherein the anode and cathode are electrically connected and on the surface of the anode and the cathode a catalyst is present for respective catalysis of the electrochemical conversion of the electrochemically oxidizable substrate via an electrochemical oxidation reaction and for catalysis of the electrochemical conversion of the electrochemically reducible substrate via an electrochemical reduction reaction, which catalyst comprises electrochemically active micro-organisms on at least one of the anode or cathode.

IPC Classes  ?

• H01M 8/04 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
• H01M 8/06 - Combination of fuel cells with means for production of reactants or for treatment of residues
• H01M 8/16 - Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts
• H01M 8/22 - Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elementsFuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen

Abstract

The invention relates to a device for disinfecting a fluid, a disinfecting unit and a method for disinfecting a fluid. The device comprises a container for containing a fluid, with at least one inlet for introducing the fluid for disinfecting and at least one outlet for removing disinfected fluid, and further a number of disinfecting units placed in the container and comprising a disinfecting means selected from UV light sources, direct voltage electrodes or alternating voltage electrodes, or a combination thereof, characterized in that the disinfecting units are packed in the volume of the container.

IPC Classes  ?

• C02F 1/32 - Treatment of water, waste water, or sewage by irradiation with ultraviolet light
• C02F 1/48 - Treatment of water, waste water, or sewage with magnetic or electric fields

Abstract

The present invention comprises a method and device for purifying a liquid, comprising the steps of : supplying a liquid for purifying provided with a quantity of crystal growth inhibitor; separating the liquid, with the added crystal growth inhibitor, into a purified liquid flow and a residual flow; discharging the separated purified liquid flow; discharging other parts of the liquid flow as a residual flow; adding a crystallizing agent to the residual flow for the purpose of forming crystals in the residual flow; removing the formed crystals from the residual flow; discharging the purified residual flow; and discharging the formed crystals.

IPC Classes  ?

• C02F 5/14 - Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
• C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis

Abstract

According to a first aspect, the present invention relates to a method for obtaining a cathodophilic, hydrogen-producing microbial culture. According to further aspects, the invention relates to the cathodophilic, hydrogen-producing microbial culture and the use of this microbial culture for the production of hydrogen. Further aspects of the invention relate to a method for manufacturing a bifunctional bioelectrode in which the cathodophilic, hydrogen-producing microbial culture is applied, and the bifunctional bioelectrode obtained with this method. Other aspects of the invention relate to a device for producing hydrogen in which the electrochemically active, hydrogen-producing microbial culture is applied.

IPC Classes  ?

• C12N 11/14 - Enzymes or microbial cells immobilised on or in an inorganic carrier
• C12N 1/36 - Adaptation or attenuation of cells
• C12N 13/00 - Treatment of microorganisms or enzymes with electrical or wave energy, e.g. magnetism, sonic waves
• C12M 1/42 - Apparatus for the treatment of microorganisms or enzymes with electrical or wave energy, e.g. magnetism, sonic wave
• C12P 3/00 - Preparation of elements or inorganic compounds except carbon dioxide
• H01M 8/16 - Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts
• C12N 1/20 - BacteriaCulture media therefor

Abstract

According to a first aspect, the present invention relates to a method for determining the toxicity of a sample flow. In this method according to the invention use is made of a microbial fuel cell. According to a further aspect, the invention relates to an apparatus suitable for performing the method according to the invention. Such an apparatus can for instance be applied as a biosensor.

IPC Classes  ?

• G01N 33/18 - Water

Abstract

The present invention comprises a method and device for purifying a liquid (4) comprising liquid particules and residual particles, comprising the steps of; - heating the liquid particules and residual particules for purifying; (6) - carrying the liquid in of liquid droplets into a purification space, - applying a similar electric charge to the liquid droplets and to a condensation surface; (20) - evaporating liquid particles in the purification space; - condensing the evaporated liquid particles to form condensation on the condensation surface; (20) - discharging the condensation (22) and the unevaporated residual particles separately (24).

IPC Classes  ?

• C02F 1/12 - Spray evaporation