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WO/1987/006492A1 |
A new class of chromatographic columns for reverse phase and ion exchange chromatography based on organotitanate coupling along with separation processes using such media. The disclosed organotitanate coupled matrices useful for reverse ...
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WO/1987/004369A1 |
Process for the preparation of ion exchange resins of even grain size for analytical and preparative purposes. The process comprises in polymerizing a mixture of styrene and divinyl benzene in the presence of peroxide catalyst and protec...
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WO/1987/000072A1 |
A process for removing cyanide from a dilute cyanide solution. The solution is passed through a weak base anion exchange resin to adsorb cyanide complexes. The resin is eluted with a weakly basic Ca(OH)2 solution, to produce a cyanide-ri...
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WO/1986/004486A1 |
High-recovery, high-resolution method of purifying antihemophilic factor VIII:C (''AHF'') by using column chromatography techniques in the presence of sugars, polyhydric alcohols, amino acids, or salts. The AHF preparations obtained by t...
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WO/1986/003988A1 |
Polymer matrix comprising weak base functionalities wherein said weak base functionalities are attached to said polymer matrix through a nitrogen atom of a 1,X-polyaminoalkylene amine functionality, where X is an integer greater than 2 w...
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WO/1985/004885A1 |
Seed processes for preparing crosslinked ion exchange copolymer particles involve imbibing a seed particle with a first monomer mixture containing a minor amount of polyvinyl monomer and polymerizing the imbibed seed. A second stage mono...
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WO/1984/003053A1 |
A modified polysaccharide material which comprises: (1) polysaccharide covalently bonded to a synthetic polymer; (2) the synthetic polymer being made from (a) a polymerizable compound which is capable of being covalently coupled directly...
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WO/1982/002006A1 |
A skin-core structure, porous composite molding comprising a powdery ion-exchange type adsorbent and an ionic group-containing acrylonitrile type polymer, which has a semi-permeable skin layer having a thickness of 1 micron or less, and ...
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WO/1981/000728A1 |
Purification process for spent, preferably hydrochloric acid based pickling baths, which have been used for pickling of steel articles in a hot dip galvanization process. Metal ions present in the pickling bath in the form of iron chlori...
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JP2024520291A |
The present invention relates to a process for purifying glycol ethers. In one embodiment, the process includes (a) providing a glycol ether to a first vessel, wherein the glycol ether has the formula: R1-O-(CHR2CHR3)O)nR4; (Wherein, R1i...
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JP7488582B2 |
Ion exchange membranes materials according to the present disclosure exhibit improved conductivity at low and intermediate relative humidity without sacrificing mechanical strength. Polymers are provided that include a backbone with one ...
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JP2024068966A |
An object of the present invention is to provide a storage device in which an ion exchange section can be inserted into and taken out of a storage section via a communication section. [Solution] A storage device for storing heat exchange...
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JP2024068470A |
The present invention provides a highly purified photosensitive resin composition by filtering a photosensitive resin composition solution used in a packaging process during semiconductor device manufacturing using a specific filter. A m...
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JP7486021B2 |
To provide a manufacturing method of high-purity cadmium hydroxide that becomes a starting material when manufacturing a high-purity cadmium solution.A manufacturing method of cadmium hydroxide comprises: a first pH adjustment step in wh...
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JP7478617B2 |
Provided is a pure water production apparatus for producing pure water with a low boron concentration and TOC and a high specific resistance. This pure water production apparatus 21, which treats water to be treated to produce pure water...
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JP7478333B2 |
[Problem] To adjust hydrogen ion concentration by adjusting the ingredients of a liquid. [Solution] In the present invention, only particles with a specific size or smaller are allowed to pass through a membrane device 15 (membrane 5) by...
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JP2024060125A |
An object of the present invention is to provide an ion exchange membrane with excellent durability, and an electrodialysis device and a water electrolysis device equipped with this ion exchange membrane. According to one aspect, an ion ...
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JP7477373B2 |
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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JP7477374B2 |
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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JP7475857B2 |
The present invention relates to a method for producing purified water comprising a step of passing water through a mixed bed ion exchanger comprising beads having a diameter of less than 0.5 mm, as well as to a module comprising an ultr...
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JP2024049424A |
The present invention provides a water softening device that can remove precipitates on a cathode while suppressing electrode deterioration. A water softening device 1 includes a water softening tank 3, a neutralization tank 4, an electr...
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JP2024047510A |
The present invention provides a cleaning system including a cleaning tank, an ion exchange resin column, and a pump unit. In a cleaning system 100A, a cleaning tank 1 accommodates a cleaning liquid L and immerses a circuit board B in th...
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JP2024042940A |
An object of the present invention is to provide a metal impurity acquisition method and a metal impurity acquisition apparatus that can stably and safely acquire low concentration metal impurities in an organic solvent. [Solution] An ad...
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JP2024042659A |
The present invention relates to an ion exchange membrane synthesized from a highly ordered patterned network system that can be used in a variety of applications such as fuel cells, redox flow batteries, electrolyzers, reverse electrodi...
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JP2024042662A |
Abstract: Synthesized from a strong and highly ordered patterned network system containing imidazolium that can be used in various applications such as fuel cells, redox flow batteries, electrolyzers, reverse electrodialysis cells, and m...
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JP7454423B2 |
To provide an anion exchange membrane which has high adhesion between a polyolefin-based woven fabric and an anion exchange resin.An anion exchange membrane has a polyolefin-based base material and an anion exchange resin, and contains a...
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JP7454330B2 |
A method of removing boron from water to be treated includes subjecting the water to be treated to reverse osmosis membrane treatment, subjecting at least part of permeated water after the reverse osmosis membrane treatment to cation-rem...
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JP2024038541A |
The present invention provides a water softening device capable of suppressing clogging of a trapping section during an ion exchange resin regeneration process. [Solution] The water softening device includes a water softening tank that s...
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JP2024036140A |
[Problem] To reduce costs and reduce environmental impact while maintaining the quality of ultrapure water produced. [Solution] An ultrapure water production device 1 includes an ion exchange device unit 10 including a first ion exchange...
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JP2024030767A |
The present invention provides a sewage treatment device and a sewage treatment method that can efficiently remove soluble organic components such as chromaticity components, BOD components, and COD components in raw water. [Solution] A ...
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JP2024030563A |
An object of the present invention is to provide a maintenance method for a cooling system that can sufficiently adsorb thermal deterioration product ions and ions eluted from piping while maintaining the rust prevention ability of a coo...
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JP2024021106A |
The present invention provides a water softening device that can shorten the time required to complete an ion exchange resin regeneration process. [Solution] The water softening device 1 includes a water softening tank that softens raw w...
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JP2024017437A |
The present invention provides a water softening device capable of suppressing a decrease in efficiency in a regeneration process of a weakly basic anion exchange resin and a weakly acidic cation exchange resin. [Solution] A water soften...
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JP2024018194A |
[Problem] To measure the water concentration in a non-aqueous solvent in real time with high accuracy. [Solution] The method for measuring moisture in a non-aqueous solvent includes the steps of preparing a calibration curve in advance t...
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JP7426836B2 |
To provide a novel production method for a low-water-content quaternary ammonium hydroxide solution using low-boiling organic matter as solvent.A high-water-content quaternary ammonium hydroxide solution, which includes low-boiling organ...
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JP2024010462A |
The present invention provides a pure water production method and a pure water production apparatus that can reduce the concentration of silica leaking to the treated water side in a mixed bed ion exchange device. [Solution] A pure water...
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JP2024009570A |
An object of the present invention is to reduce the amount of non-aqueous solvent used in dehydration treatment of a monolithic organic porous ion exchanger. [Solution] A method of operating a liquid purification device 10 is a method of...
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JP2024501263A |
The present invention relates to a method for modifying supports, particularly polymeric supports, for use as stationary phases in analytical or preparative processes. The method includes the steps of providing a support material, coatin...
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JP2024002398A |
An object of the present invention is to provide a water softening device capable of controlling the anode use time of each electrode of the electrolytic cell to the same degree by having a configuration in which the destination of the e...
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JP2024002399A |
The present invention provides a water softening device that can shorten the time required to complete an ion exchange resin regeneration process. [Solution] A water softening tank that softens raw water containing hard components with a...
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JP2024500676A |
Disclosed herein are systems and methods for purifying human milk oligosaccharides (HMOs). HMOs can be purified from suspensions containing one or more of bacterial biomass, cell fragments, small particles, and biomolecules. Advantageous...
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JP2023178802A |
To provide a method which enables effective separation and removal of cyanuric acid from wastewater containing cyanuric acid, causing the wastewater to be reusable treated water.A treatment method of wastewater containing cyanuric acid a...
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JP2023176069A |
To provide a water softening device capable of decreasing a time required for accomplishing a step of regenerating an ion exchange resin.The water softener comprises a soft water tank, a neutralization tank, a bypass channel of sending, ...
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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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JP2023166801A |
To provide a separation control device for mixed ion exchange resin that can stably and easily separate mixed ion exchange resin in response to various conditions of amount, mixing ratio, and so on of anion exchange resin and cation exch...
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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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