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JP7386705B2 |
The present disclosure provides an ion-exchange membrane that includes a supporting substrate impregnated with an ion-exchange material. The supporting substrate includes an imprinted non-woven layer, and the imprinting includes a plural...
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JP7385189B2 |
An ion exchange membrane material is composed of a crosslinked polymer network including a first poly(styrene-b-ethylene-r-butylene-b-styrene) triblock copolymer (SEBS), and second SEBS, and a linker crosslinking the first SEBS and the s...
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JP2023548826A |
The present disclosure provides a purification platform that includes a depth filtration step and/or a hydrophobic interaction chromatography (HIC) step and/or a MM-HIC/IEX chromatography step to hydrolyze a composition obtained from sai...
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JP7379170B2 |
A method for purifying a non-aqueous solvent includes: pretreating by passing a non-aqueous solvent for dehydration treatment through a packed bed of an ion exchange resin that is not yet subjected to dehydration treatment, to remove wat...
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JP7378777B2 |
To provide an ion exchange membrane that includes a membrane through which an ion is likely to penetrate more than an existing profile membrane, has a reduced pressure loss in a flow passage and reduces such the cases of clogging with di...
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JP7378126B2 |
To provide an ion exchange membrane which is easier for an ion to pass therethrough than a conventional profile membrane, and with which pressure loss in a flow channel is only slight and clogging due to soil is reduced, and to provide a...
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JP2023547043A |
A membrane comprising an anion exchange layer (AEL) and a cation exchange layer (CEL), wherein the CEL has the formula (I): (wherein, X is the formula -OCnH2n-1, or -OCqH2q-1(wherein n has a value of 1 to 6, q has a value of 5 or 6, and ...
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JP7371449B2 |
An ion exchanger includes a housing, a tube member, and an ion exchange resin. The housing includes an inlet port and an outlet port. The tube member is arranged inside the housing. The ion exchange resin is arranged between the tube mem...
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JP7372069B2 |
To provide a formic acid recovery method that concentrates a basic solution containing a formic acid ion with high efficiency, and can collect formic acid in high yields.This invention relates to a formic acid recovery method including a...
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JP7368658B1 |
One aspect of the present invention is an apparatus that includes a plurality of ion exchange columns and produces weakly acidic hypochlorous acid water from a sodium hypochlorite aqueous solution by an ion exchange method. While reducin...
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JP2023544600A |
The present disclosure relates to the removal of metal contaminants from fluids, as well as ligand-modified filter materials useful in carrying out such methods. The filters and methods of the present disclosure are particularly effectiv...
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JP2023544307A |
Formula (I): [Formula 1] (In the formula, R' is vinyl, epoxy or C1~3- alkylenethiol, n has a value of 1 or 2, m has a value of 1, 2 or 3, M'+is a cation and X is as defined in the claims. A polymer film in which the molar fraction of the...
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JP2023147267A |
To provide polymers having improved thermal and dimensional stability, longer durability and enhanced ion exchange capacity (IEC), particularly polymers with good phase separation between hydrophilic and hydrophobic phases for use as ani...
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JP2023146618A |
To provide: a purification method of a polysilane compound, with which a metal is efficiently removed from the polysilane compound without occurrence of new metal contamination; in addition, a purification method of a polysilane compound...
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JP2023137717A |
To provide a mixed bed ion exchanger capable of efficiently obtaining a highly pure hydrogen peroxide water suppressed in contamination such as cross contamination, and reduced in a metal content.A preparation method of a mixed bed ion e...
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JP7349757B2 |
To provide a method for acidifying terephthalylidene dicamphor sulfonate using cation exchange fibers and, more specifically, to provide a method for converting terephthalylidene dicamphor sulfonate into terephthalylidene dicamphor sulfo...
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JP7343472B2 |
Provided is a radio wave transmission cover having a manufacturability at low cost and a suppressed peeling of layer, which comprises a resin substrate; a transparent film layer serving as an exposed portion; a transparent ion-exchange r...
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JP7340795B1 |
[assignment]To provide a portable chrome plating solution purification device that does not require large-scale installation space or piping work, and can process a large amount of chrome plating solution. A portable refining apparatus 1...
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JP7336898B2 |
A monolithic organic porous ion exchanger having a continuous skeleton and continuous pores, wherein the continuous skeleton is formed of an organic polymer being a hydrolysate of a crosslinked polymer of a (meth)acrylic acid ester and d...
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JP2023537308A |
A method for purifying crude bio-based ethylene glycol, the method uses crude bio-based ethylene glycol as a raw material, diluting it with water to an ethylene glycol concentration of 1-95% by weight. and under the conditions of a tempe...
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JP7328859B2 |
A purification method for separating and purifying an organic solvent from a liquid mixture of an organic solvent and water, the organic solvent having a boiling point of more than 100 °C at 1 atm, includes: a step of passing the liquid...
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JP2023114444A |
To provide a sulfonated polymer fiber screen for cation exchange membranes for use, e.g., in electrochemical conversion of CO2 into CO, and methods for producing the sulfonated polymer fiber screen.The invention provides an article compr...
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JP2023109499A |
To provide a method for operating an ion exchange system capable of appropriately regenerating ion exchange towers so that regeneration timings of the respective ion exchange towers do not overlap.There is provided a method for operating...
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JP2023530938A |
Ion-exchange membranes comprising porous polymeric membranes and imidazole ion-exchange groups on the surface of the membrane; ion-exchange membranes and filters comprising said ion-exchange membranes; and ion-exchange membranes and filt...
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JP2023099346A |
To provide an electrolytic eluent generator.An electrolytic eluent generator includes an electrolyte reservoir and at least one eluent generation cartridge. The electrolyte reservoir includes: a chamber containing an aqueous electrolyte ...
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JP2023529444A |
The present invention relates to the recovery of lithium from liquid sources to yield a lithium solution while limiting impurity precipitation in the lithium solution. [Selection drawing] Fig. 1
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JP2023529407A |
A method for recovering lithium ions from lithium-containing brine includes contacting the lithium-containing brine with a lithium ion sieve (LIS includes oxides of titanium or niobium) in a first stirred reactor to produce lithium ion s...
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JP2023093807A |
To provide a water softener which suppresses catalyst degradation and is capable of maintaining an electrolytic performance for an extended period.A water softener 1 includes: a softening tank 3 for performing water softening treatment o...
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JP2023091796A |
To provide a water softening device capable of detecting a timing of polarity inversion operation and performing the polarity inversion operation at an appropriate timing.A water softening device 1 includes a water softening tank 3, a ne...
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JP2023091376A |
To provide a method of treating water containing Ca hardness, capable of downsizing a packed column while preventing a hardness component from leaking into treated water side.The method of treating water containing Ca hardness for removi...
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JP2023086120A |
To provide a suppressor.An apparatus for suppressing an eluent of an aqueous sample stream including analyte ions of one charge, i.e., positive or negative, comprises a primary channel member, a first block, a first regenerant flow chann...
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JP7294951B2 |
To provide a processing method of water to be treated, containing an iron carbonyl cyano-complex, which has been difficult to process in the conventional method, without mass use of a copper compound, to remove the iron carbonyl cyano-co...
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JP7289248B2 |
To provide a device and method for detecting impurities, capable of evaluating the amount of metal elution from an ion exchanger in a lower concentration region and detecting the amount of impurity elution from the ion exchanger.The devi...
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JP2023523351A |
The present invention is a separation matrix comprising a plurality of multimodal ligands covalently coupled to a support, wherein said support is a membrane comprising non-woven polymeric fibers, said ligands are linked to target biomac...
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JP7285048B2 |
To provide a method for obtaining a composition containing hyaluronic acid oligosaccharide which can be applied to an industrial scale.A production method includes: (A) a process of applying a decomposed product of hyaluronic acid and/or...
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JP7280857B2 |
The present disclosure provides a porous polymeric membrane that is coated with a cross-linked polymerized monomer. The coating on the porous polymeric membrane has a charge when it is immersed in an organic liquid. The coated porous pol...
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JP2023521327A |
The present invention relates to an anion exchange membrane and a method for producing an anion exchange membrane. The membrane is intended for use in an electrolyser or other AEM electrochemical instrument. The membrane comprises a ther...
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JP7276042B2 |
The present invention provides a method for recovering scandium from an acidic solution, which contains at least scandium, nickel and chromium, through an ion exchange treatment using a chelating resin, said method recovering high-purity...
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JP7275034B2 |
The present invention relates to a method for producing purified water comprising a step of passing water through an ultrafiltration means and a mixed bed ion exchanger comprising comprising beads having a pore size of 20-100 nm, wherein...
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JP2023065741A |
To provide a water softener having a high hardness reducing ability and easily regenerating an ion exchange resin.A water softening device 1 includes a water softening tank 3, a neutralization tank 4, a branch section 9, and a circulatio...
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JP2023519746A |
(a) a curable monomer containing at least one anionic or cationic group; (b) absorbing at wavelengths greater than 380 nm measured at a temperature of 23°C in one or more solvents of water, ethanol and toluene. (c) at least one co-initi...
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JP2023519388A |
The present disclosure is directed to methods and systems for purifying solvents. Purified solvents can be used to clean semiconductor substrates in multi-step semiconductor manufacturing processes.
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JP2023064081A |
To solve the problem in which: a large amount of gold complex anions exist in a cleaning liquid after gold plating, and is adsorbed and recovered by a strongly basic ion exchange resin, but it is difficult to be desorbed, thus an ion exc...
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JP7268022B2 |
Provided is an anion exchange composition comprising(a) polymeric beads having covalently bound amine groups, and(b) tin(II) oxide.
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JP7265855B2 |
To provide a device for producing a nonaqueous electrolytic solution, which is capable of easily performing purification while effectively suppressing an amino group of a weak-base anionic ion exchange group from being modified to a quat...
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JP7265867B2 |
Methods for the removal of ionic contaminants from hydrolysable organic solvent by ion exchange resins are described. A mixed bed of ion exchange resin with cationic ion exchange resin and weak-base anionic ion exchange resin is used in ...
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JP7262741B2 |
To provide a bipolar membrane where a cation exchange resin layer and an anion exchange resin layer are highly joined to each other which is excellent in production efficiency and production cost.In a bipolar membrane BP obtained by join...
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JP7257908B2 |
To prevent blockage of a separation membrane caused by silica scale in a method for treating raw water containing both silica and aluminum by use of a membrane filtration apparatus having a reverse osmosis membrane or a separation membra...
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JP7257027B2 |
To provide a bipolar membrane in which a water dissociation accelerator catalyst is distributed on an interface between a cation exchange membrane and an anion exchange membrane, water can be dissociated with low voltage, and peeling on ...
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JP2023050355A |
To provide a water softening apparatus capable of suppressing extending a time required for regeneration processing of an ion exchange resin of the water softening apparatus.A water softening apparatus 1 comprises a water softening tank ...
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