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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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JP2021186791A |
To provide a method of changing the ion form of an anion exchanger easily and in a short time at a high rate while suppressing the residual of various metals.Provided is a method of changing the ion form of an anion exchanger, which is c...
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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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JP6862319B2 |
To provide an ion exchanger capable of suppressing pressure loss to be small when a cooling medium passes through an ion exchange resin loaded to a cartridge.An ion exchanger 5 includes a cartridge 13 attached to be removable toward an u...
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JP6857184B2 |
Methods for the removal of ionic contaminants from a hydrophilic organic solvent by a mixed bed of ion exchange resins are described. A mixed bed of ion exchange resins with gel-type strong-acid cationic ion exchange resin with a specifi...
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JP6843626B2 |
To provide an ion exchange resin contact tank of a low cost having a structure that enables a large amount of ion exchange resin to sufficiently contact with a large amount of raw water.The ion exchange resin contact tank comprises a con...
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JP2021038158A |
To provide a production method capable of producing a solid, high-purity cyclic compound or a derivative thereof at a high yield.A production method of a cyclic compound or a derivative thereof includes: an adsorption step of making a ra...
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JP6839013B2 |
To provide a method of producing a weakly basic anion exchange resin that has a tertiary amine group as anion exchange group and has a small content of quaternary ammonium group.The method of producing a weakly basic anion exchange resin...
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JP2021030161A |
To provide a portable column unit that can be moved to any use place to conduct treatment at the place, a water treatment device, and a water treatment method.A portable column unit has a column fixed to a hand cart. The column is fixed ...
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JP2021016331A |
To provide a process of purifying plant extract containing gum arabic or ghatti gum with an excellent flavor and color, and a process for producing food and drink using the same.The problem is solved by a process of controlling an aqueou...
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JP6819713B2 |
An organic solvent treatment method for removing particulates from an organic solvent used in a manufacturing step of electronic components is characterized by comprising a step of bringing the organic solvent into contact with a treatme...
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JP2021003675A |
To provide an ion exchange device, and a water treatment apparatus and a water treatment method using the ion exchange device capable of detecting timing of regeneration and replacement of the ion exchange device at a low cost, and capab...
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JP6813157B2 |
To develop a chelate resin which can be easily and efficiently produced and has an improved chelating ability for a chelate resin applied to a treatment step of industrial waste water and recovery of valuable metals, and to develop a met...
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JP6808201B2 |
To provide a method for producing a weakly-acidic aqueous hypochlorous acid solution more efficiently by reducing the loss of available chlorine when the weakly-acidic aqueous hypochlorous acid solution is produced through an ion exchang...
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