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WO/2022/224105A1 |
Method of producing purified fluoropolymers comprising repeat units of tetrafluoroethylene and a fluoro-olefin comprising SO3- groups are described. In a first step, an unpurified aqueous dispersion of the fluoropolymer, including the co...
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WO/2022/226323A1 |
The invention provides methods, devices and systems for salt splitting employing redox active species at each electrode which are reduced and oxidized using a stack of cation exchange membranes, anion exchange membranes and bipolar membr...
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WO/2022/216030A1 |
Disclosed is a filter for a water treatment device that is applicable to water purifiers, etc. The filter for a water treatment device includes a chamber including a water inlet and a water outlet, an electrode assembly disposed in the c...
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WO/2022/214525A1 |
The invention relates to a filter device for the exchange of substances, comprising a pipe section-shaped housing with a center of gravity and with two housing ends, in which housing a hollow fiber bundle consisting of semi-permeable mem...
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WO/2022/215335A1 |
The purpose of the present invention is to provide a method for producing recycled water, the method being capable of considerably reducing chemical cleaning of a membrane during the production of recycled water from waste water, and bei...
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WO/2022/214686A1 |
Water purifier (1) for purifying water, comprising a compressor circuit (50) provided with a compressor (4), a first heat exchanger (2), a second heat exchanger (7) and an expansion valve (12) arranged between the first heat exchanger (2...
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WO/2022/216921A1 |
Disclosed herein is a solar thermal osmosis desalination system comprising a forward osmosis subsystem and a reverse osmosis subsystem where the forward osmosis subsystem is configured to receive solar thermal heat and generate power tha...
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WO/2022/215624A1 |
The invention provides a draw solute for a forward osmosis membrane method, the draw solute comprising a compound containing a structural site derived from an amine compound and a polyoxyalkylene structural site in which two or more oxya...
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WO/2022/213478A1 |
An electroosmotic pump system and a manufacturing method for a functional electrode (111) thereof, and a fluid conveying method, the electroosmotic pump system comprising a liquid storage tank (150), an electro-osmosis driving module (11...
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WO/2022/214576A1 |
A human solid and liquid waste treatment system including method and apparatus for the separation of solid and liquid waste and the further filtration and purification of liquid waste suitable for recycled use. The system comprises a plu...
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WO/2022/215983A1 |
Provided are a metal oxide nano-composite structure and a forming method therefor. The metal oxide nano-composite structure comprises a metal oxide nano-structure and a ligand compound bound to the metal oxide nano-structure. The forming...
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WO/2022/216604A1 |
A protected fluid circuit can utilize osmotic membranes or other membrane types that are highly selective to urea transport. The membranes can achieve sufficient diffusional flux of urea in a forward osmosis geometry. When combined with ...
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WO/2022/215475A1 |
The present invention provides: an electrodeionization system 1 equipped with a plurality of electrodeionization devices 1A provided in parallel, the electrodeionization system comprising: a water supply flow rate changing means for chan...
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WO/2022/211128A1 |
Provided is a method for producing a lithium compound, by which a high purity lithium compound can be efficiently produced from low quality lithium carbonate containing impurities such as salt water, the method comprising: mixing lithium...
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WO/2022/207415A1 |
Example embodiments describe a decentralized water treatment unit (100) for purifying untreated water (110) to purified water (111) for human consumption. The unit comprising i) a filtration module (120), comprising at least one filtrati...
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WO/2022/209461A1 |
The present invention provides a technique with which a water system having a reverse osmosis membrane device can be stably operated over a longer period of time. The present invention can provide a method for operating a reverse osmos...
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WO/2022/210468A1 |
A method for treating high-hardness water, comprising: (V) subjecting raw water to a separation treatment using a reverse osmosis membrane to separate the raw water into passing water and concentrated water; (I) adding an alkali metal hy...
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WO/2022/210525A1 |
A waste water treatment system for treating recycle waste water generated when a desalination device for desalinating water containing ammonia is subjected to regenerative treatment, using an aqueous acidic solution, the system comprisin...
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WO/2022/209285A1 |
An ultrapure water production system capable of producing ultrapure water from which fine particles have been removed to a high degree and supplying the water to a point of use (POU) is equipped with at least an ultrafiltration membrane ...
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WO/2022/212099A1 |
An immersed membrane cassette has a high tank intensity achieved by one or more of: reduced module to module gap; using structural hollow tubing in at least parts of a frame in place of separate permeate and/or air pipes; and, using vert...
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WO/2022/210467A1 |
According to the present invention, a method for treating high-hardness water containing calcium and magnesium includes: adding an alkali metal hydroxide and sodium carbonate to the high-hardness water to achieve a pH of 9.5 to 11.5; rem...
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WO/2022/207470A1 |
Cationically charged membranes obtainable from curing a composition comprising an aromatic heterocyclic compound, wherein the aromatic heterocyclic compound comprises: a) an aromatic heterocyclic ring; b) at least two polymerisable group...
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WO/2022/209641A1 |
This bipolar electrodialysis method, which is for generating acid and alkali from a salt using an electrodialyzer in which a bipolar membrane BP and a cation exchange membrane C are disposed between a positive electrode 10 and a negative...
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WO/2022/207468A1 |
A process for operating an electrochemical desalination device for desalination of a liquid, the process comprising the steps of: (a) monitoring one or more parameters over time during desalination of the liquid; (b) calculating the aver...
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WO/2022/204055A1 |
Fluid access devices include a machine-side hydraulic circuit and a patient-side hydraulic circuit, and are configurable between a connected state and at least one disconnected state. In the connected state, fluid flows between the machi...
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WO/2022/198343A1 |
The present invention relates to a system for the production of lithium hydroxide (LiOH) directly from lithium chloride (LiCI), without the need for the intermediate production of lithium carbonate or the like. Specifically, the inventio...
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WO/2022/199909A1 |
The present invention relates to an osmosis process in which water from a feed solution passes through a semipermeable membrane (7) of at least one osmosis cell (2) into a draw solution, characterized in that, after being diluted in the ...
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WO/2022/204194A1 |
Portable hemodialysis systems include a dialysis fluid module configured to regenerate a dialysis fluid, and a blood handling module reversibly fluidically couplable to the dialysis fluid module. The portable hemodialysis system is confi...
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WO/2022/203055A1 |
The present invention provides a method for producing lithium hydroxide which employs, as a source liquid, a wide variety of aqueous solutions containing lithium and which efficiently produces highly pure lithium hydroxide from the sourc...
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WO/2022/199554A1 |
A composite ultrafiltration membrane material and a preparation process thereof. The ultrafiltration membrane material consists of an intercalation-modified α-zirconium phosphate nano-powder and a membrane material body. The chemical ge...
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WO/2022/200288A1 |
The invention relates to an intermediate power store for at least one power generating system (50), comprising: an osmosis device (110), a permeate store (120), a concentrate store (130) and a control device (140). The osmosis device (11...
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WO/2022/198255A1 |
The invention relates to a method for operating a bath facility and to a bath facility. The method comprises the filtration of a partial amount of bath water from a bath water reservoir by means of a membrane filtration device in a recir...
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WO/2022/203078A1 |
The present invention provides a method for inspecting damage in a reverse osmosis membrane, the method making it possible to very easily and quickly assess the presence and/or extent of physical damage that has occurred in a membrane su...
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WO/2022/202305A1 |
In a method for controlling an electrodeionization device 1 according to the present invention, the flow rate of supply water W1 which is supplied to the electrodeionization device 1 is decreased in stages while a constant flow rate of c...
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WO/2022/201718A1 |
This anion exchange membrane is characterized by having an anion exchange resin layer 3 reinforced by a substrate sheet 5, wherein the anion exchange resin layer 3 comprises: an anion exchange resin including, as an anion exchange group,...
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WO/2022/196698A1 |
A method for reducing the volume of a raw material liquid, the raw material liquid containing at least a valuable and a first solvent, wherein the raw material liquid further contains an accessory component other than the valuable and th...
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WO/2022/197268A1 |
The invention is a mobile demineralized water production plant (100) to meet this pure water need in areas that need pure water such as power plants, refineries, textile industry, coating industry, food industry, metal industry character...
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WO/2022/190608A1 |
A water treatment apparatus for decomposing and removing an organic substance from water of interest is provided with: a hydrogen peroxide adding means (a hydrogen peroxide source (101)) for adding hydrogen peroxide to the water of inter...
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WO/2022/192356A1 |
An atmospheric water generation system absorbs water from an atmospheric air stream into a desiccant flowing along a flow path of a closed desiccant circulation loop. To ensure that the desiccant remains within the closed desiccant circu...
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WO/2022/192383A1 |
An apparatus and method for evaporative containment of liquid or solid wastes includes an evaporative membrane for receiving the solid or liquid waste and at least one flap including a wicking layer, an odor-neutralizing layer, or both, ...
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WO/2022/190727A1 |
A water treatment device for removing dissolved oxygen from water to be treated comprises a positive electrode 11, a negative electrode 12, and a dissolved oxygen removal chamber 23 which is disposed between the positive electrode 11 and...
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WO/2022/191891A1 |
Systems and methods for single-pass, countercurrent diafiltration of a fluid feed are provided. The systems and methods operate to reduce impact on the biologic product, reduce use of diafiltration buffer and reduce equipment size compar...
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WO/2022/186698A1 |
A system for producing desalinated water from seawater or other saline water, wherein the system comprises the following equipment features or equipment items, in a typical direction of flow: a subsea seawater inlet, a subsea pretreatmen...
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WO/2022/186388A1 |
This test substance detection method includes: a step A in which a sample containing a test substance and water, a compound having a structure in which a response site and a recognition site are connected via a spacer, and a surfactant a...
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WO/2022/183628A1 |
A pretreatment integrated spiral-wound RO membrane element, comprising RO membranes (1), wherein composite layers (2) used for pretreating raw water are arranged on contact faces of the RO membranes (1) that come in contact with the raw ...
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WO/2022/186013A1 |
Provided is a water treatment method with which, in a reverse osmosis membrane treatment conducted on water being treated that contains chlorine-based oxidants and/or bromine-based oxidants, or on water being treated that contains iodide...
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WO/2022/186291A1 |
This gas-liquid separation device 1, which separates a liquid and a gas from a gas-liquid mixed-phase fluid, is provided with: a hydrophobic separation wall of the mixed-phase fluid formed from a hydrophobic film 53 that allows only the ...
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WO/2022/187252A1 |
Systems and methods for reducing at least one of magnesium, calcium and/or sulfate from sodium chloride brine are described. Systems and methods include nanofiltrating seawater to reduce calcium, magnesium, and sulfate therein. Systems a...
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WO/2022/182388A1 |
Protein separation can be provided based on a High Performance Countercurrent Membrane Purification (HPCMP), which can exploit highly selective diffusive transport across thin walls of a hollow fiber membrane for separation of proteins. ...
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WO/2022/181541A1 |
This concentration device is provided with a membrane module having a first flow path and a second flow path that are separated by a semipermeable membrane. The membrane module comprises a U-shaped tube inside of which the semipermeable ...
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