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JP2022036933A |
To provide a method for producing highly pure lithium carbonate using alternative brine sources such as geothermal, oilfield and relict hydrothermal brines, which have been difficult to exploit conventionally.The method includes reacting...
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JP2022035725A |
To produce a pure water production system which can stably feed water whose hardness content is removed to an EDI device in a system where a softening device is provided between a reverse osmosis membrane device and the EDI device.A pure...
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JP2022034116A |
To provide a water softening apparatus capable of performing regeneration treatment of a water softening tank with a weakly acidic cation exchange resin without causing softened water supply restrictions to the user.A water softening dev...
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JP7027673B2 |
Disclosed is an anion exchange porous medium, e.g., a porous membrane, that includes a porous support and a crosslinked cationic polymer coating disposed thereon, wherein the cationic polymer of the crosslinked cationic polymer coating c...
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JP2022029769A |
To provide a pure water production apparatus and a pure water production method capable of grasping an internal state of an ion exchange resin and stably supplying high-quality pure water or ultrapure water.A pure water production appara...
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JP7022178B2 |
The present invention relates to an ion-exchange membrane, a method for manufacturing the same, and an energy storing device comprising the same. The ion-exchange membrane comprises: a porous support body comprising multiple pores; an io...
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JP2022029334A |
To provide a hypochlorous acid water production device which performs ion exchange without extremely reducing pH of a treated liquid, and can produce hypochlorous acid water.A hypochlorous acid water production device has ion exchange me...
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JP7020404B2 |
The present invention provides a filter which, even when raw water is subjected to high-speed treatment, enables achieving a high solute rejection ratio and a long solute filtration life and which exhibits a low water flow resistance. Th...
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JP2022026486A |
To provide a water softening apparatus capable of performing regeneration of a weakly acidic cation exchange resin by acidic electrolytic water generated by electrolysis at an appropriate timing.A water softening apparatus 1 is equipped ...
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JP2022015957A |
To provide a method for producing a coated film formation composition for lithography used in a lithography process in semiconductor manufacture which is reduced in a moisture content, and a cleaning method of an ion exchange resin which...
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JP2022015198A |
To provide a treatment method of water with hardness which can perform regeneration treatment of an ion-exchange resin at a suitable timing in treating the water with hardness having a high salt concentration.There is provided in present...
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JP7003507B2 |
To provide a recovery method of lithium capable of recovering lithium by eluting the same at high elution rate while suppressing chemical cost.There is provided a recovery method of lithium for recovering lithium from a manufacturing pro...
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JP2022014442A |
To provide a polymer composition that can suppress bubbling during membrane formation and exfoliation of laminated membranes and an ion-exchange membrane.The inventive polymer composition includes: a fluorine-containing copolymer includi...
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JP2022507676A |
Provided is a chemical liquid manufacturing apparatus. The manufacturing apparatus includes at least an ion exchange medium and an ion adsorption medium configured downstream of the ion exchange medium. The material of the ion adsorption...
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JP2022507876A |
The present disclosure relates to a method of purifying a solvent. The purified solvent can be used to clean the semiconductor substrate in the multi-step semiconductor manufacturing process.
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JP2022505546A |
Provided is a chemical liquid manufacturing apparatus. The manufacturing apparatus includes at least one filtration medium selected from an ion exchange membrane and an ion adsorption membrane, and a temperature control unit configured t...
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JP2022500229A |
A monovalent selective ion exchange membrane is disclosed. The membrane includes a polymer microporous substrate, a crosslinked ion transport polymer layer on the surface of the substrate, and a charged functionalized layer covalently bo...
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JP2021194600A |
To provide a method for evaluating a pressure loss of an ion exchange resin.A method for evaluating an ion exchange resin includes filling a column 7 with the ion exchange resin and a liquid, pressurizing the ion exchange resin from the ...
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JP2021194631A |
To provide a salt damage countermeasure filter medium that has high-salt content retention property and is reduced in salt content re-entrainment at the time of deliquescence.A salt damage countermeasure filter medium includes an interme...
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JP6984658B2 |
To provide a method for producing a fluorinated polymer which enables stable production of a fluorinated polymer having a high molecular weight at a high polymerization rate with good productivity and reduced environmental burdens, a met...
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JP6983582B2 |
To provide a cartridge for a water purifier and a water purifier for softening using the same, possible to reduce formaldehyde eluted from strongly acidic cation exchange resin.There is provided a cartridge for a water purifier including...
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JP2021533986A |
Provide a method for processing a drug solution. The method provides a system containing at least one filtration medium, treating the system with a treatment solution having an iron (Fe) and calcium (Ca) content of about 10 ppb or less, ...
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JP6972718B2 |
To suppress deterioration of an ion exchange resin in a water purifier.There is provided a water purifier for purifying condensed water by heat exchange, including: a storage container having a water inlet at an upper portion and a water...
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JP6972220B2 |
The present invention provides a method for reducing the concentration of aluminum and nickel cations in a brine comprising aluminum and nickel cations. The treated brine can be used as a feedstock to membrane cell chlor-alkali process.
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JP6971630B2 |
To provide a water treatment device and a water treatment method which can prevent filtration failures.According to one embodiment, a water treatment device has: a filtration tank that stores a filter medium and allows water conduction; ...
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JP2021178273A |
To provide a treatment device of water to be treated which enables the water to be treated to be reused or safely discharged after the water is treated.A treatment device of water to be treated comprises a chelate treatment process to pa...
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JP6961618B2 |
An ion exchanger filled cartridge accommodated inside an accommodating container of a metal removing column and in which an ion exchanger is filled is provided. The ion exchanger filled cartridge includes a cylinder portion, an upper lid...
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JP2021154277A |
To provide an anion exchange membrane which enhances adhesion between a polyolefin-based woven fabric and an anion exchange resin, and can achieve low electric resistance and high strength.An anion exchange membrane has a base material c...
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JP6941043B2 |
To provide a method and a device for directly filling a granular ion adsorbent in a container, by separating and removing fine particles from the granular ion adsorbent prepared by crushing or pelletizing and containing the fine particle...
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JP2021135034A |
To provide a cooling system for an electric vehicle including an ion exchanger which can be miniaturized and extend the life while securing insulation quality of coolant.A cooling system for an electric vehicle includes: coolant; a cooli...
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JP6934069B2 |
A method for purifying a nonaqueous liquid substance includes: filling a cartridge container with a macroporous or porous type ion exchange resin in a water-wet state to obtain an ion exchange resin-filled cartridge filled with the macro...
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JP2021123648A |
To provide an ion exchange membrane which can be thinned, and enables reduction of membrane resistance and increase of a charge density.The ion exchange membrane contains 10 mass% or more of a polymer (P) including: one or two or more ki...
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JP2021519680A |
A chemical liquid manufacturing apparatus including a first system and a second system is provided. The first system includes at least one first filtration medium selected from a first filter, a first ion exchange membrane and a first io...
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JP6910844B2 |
The purpose of the invention is to easily separate a cation exchanger and an anion exchanger and control the installation area. A condensate demineralization device 1 has: an inner cylinder 3 defining an inner-side space 6 filled with a ...
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JP6907514B2 |
Provided is a system for producing ultrapure water, said system being provided with a pre-treatment system, a primary purification system, and a secondary purification system in the stated order, wherein: the primary/secondary pure water...
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JP6904510B2 |
Disclosed is a porous medium, e.g., a bead, fiber, or membrane, comprising a porous support and a crosslinked polymer coating, wherein the polymer of the crosslinked polymer coating comprises at least one of polymerized monomer (A), at l...
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JP2021094674A |
To reduce a burden on a worker in filter replacement, etc. in a waste liquid treatment apparatus and to reduce the size of a precipitation tank for precipitating processing waste.A waste liquid treatment device 9 comprises: a precipitati...
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JP6890129B2 |
Systems and methods for recovering and concentrating rare earth elements from seabed sediment deposits using seabed excavators and shipboard processing systems.
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JP6883501B2 |
To provide a treatment apparatus of treated water which easily removes a suspended matter when back washing is performed, and in which the suspended matter hardly remains in the treatment apparatus.A treatment apparatus of treated water ...
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JP6883567B2 |
Provided is a method of regenerating an acrylic resin (B2), comprising (A) providing a collection of particles of acrylic resin (B2) that has calculated Hansch parameter of -1.0 to 2.5, wherein one or more humic acid, one or more fulvic ...
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JP6879698B2 |
To provide a water treatment apparatus and method capable of reducing a space required for arranging valves and regenerating a water treatment material accommodated in a treatment tower with a simple configuration and operation.A water t...
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JP2021513452A |
A method for stabilizing a virgin ion exchange resin material is provided. The method comprises cleaning the virgin ion exchange resin material with a preparation comprising a nonionic cleaning agent. The method comprises washing the vir...
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JP2021074687A |
To provide an ion exchanger capable of securing strength required for a peripheral wall of a cap.The ion exchanger includes a housing opened upward, an ion exchange resin provided in the housing, and a cap 8 for blocking the opening by b...
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JP6873972B2 |
In an ion-exchange separation system, a single regeneration column provides for separation of anion and cation resins and the regeneration of both cation and anion resins with a very low level of cross-contamination. After regeneration m...
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JP6868612B2 |
Provided is a method of purifying water comprising (a) providing an aqueous solution (A) that has pH of 5.5 or lower and that comprises (i) one or more dissolved organic compounds in an amount of 5 mg/L or more, measured as dissolved org...
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JP6868490B2 |
To perform quick and easy exchange work of multiple bottles.An ion exchange unit (17) to which a plurality of bottles (31) containing an ion exchange resin are attached, a first block (42) in which a plurality of first storage portions i...
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JP6871790B2 |
To provide a fuel cell system capable of suppressing degradation of battery performance of a fuel cell, by adsorption removing ionic impurities, while suppressing emission of new impurities.A fuel cell system 1 includes a fuel cell 10 ha...
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JP2021070859A |
To provide a metal recovery method and a metal recovery device which can separate at least one of zinc and cadmium from other heavy metal from metal-containing water containing at least one of zinc and cadmium and other heavy metal even ...
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JP6867409B2 |
The present invention relates to a process for the purification of methylcobalamin, namely from iron cyanide impurities, comprising contacting a solution comprising methylcobalamin and iron cyanide anions with a strongly basic anion exch...
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JP6863849B2 |
To provide a method for removing a musty substance capable of easily removing a musty substance at a low cost and a water treatment apparatus capable of removing a musty substance.The present invention provides a method for removing at l...
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