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WO/2021/090919A1 |
The present invention addresses the problem of providing an ion exchange membrane through which ions permeate easier than through a conventional profile membrane, which has a small pressure loss in a flow path, and in which clogging due ...
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WO/2021/089222A1 |
The invention relates to a filtration device (1) for filtering a liquid, the filtration device (1) comprising ▪ a storage container (10) for unfiltered liquid, ▪ a mounting (11) for a filter container (30), ▪ a filter container (30...
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WO/2021/081629A1 |
In order to reduce the contamination of scandium oxide products, the present disclosure provides a process for removing at least one metal contaminant from a scandium (Sc) concentrate. The process is based on contacting the Sc concentrat...
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WO/2021/065483A1 |
A purification method in which an organic solvent, which has a boiling point exceeding 100°C at 1 atmosphere, is purified by being separated from a mixed solution of the organic solvent and water comprises: a step for passing the mixed ...
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WO/2021/058132A1 |
The invention relates to a chromatography method of producing a target elution volume (238) comprising a first and a second target protein (P1, P2). The method comprises: providing (102) a cation exchange chromatography column (230); app...
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WO/2021/059940A1 |
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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WO/2021/052432A1 |
A low-loss organic amine solution purification device and a use method thereof. Said device comprises an ion exchange bed (X1); an inert gas cylinder (C1), a fifth liquid storage tank (T5) and a second liquid adding pump (P2) are install...
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WO/2021/045068A1 |
The purpose of the present invention is to provide: a purification method for a silicon-containing polymer composition, said method being capable of reducing metal impurities in a silicon-containing polymer composition to be treated, whi...
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WO/2021/009503A1 |
A process for the preparation of purified potassium chloride comprises the at least partial removal of one or more class 1 heavy metal impurity (lead, arsenic, cadmium and/or mercury) from potassium chloride process liquor by an ion exch...
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WO/2021/000318A1 |
A process for purifying (i) a hydrophilic organic solvent, (ii) a hydrolysable organic solvent, or (iii) a mixture of a hydrophilic organic solvent and a hydrolysable organic solvent by removing ionic contaminants from the hydrophilic or...
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WO/2020/261929A1 |
This monolithic organic porous ion exchanger comprises a continuous skeleton and continuous pores, and is characterized in that: the continuous skeleton is formed by an organic polymer that is a hydrolyzate of a crosslinked polymer of (m...
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WO/2020/255680A1 |
Strongly acidic cation-exchange resins, chelate resins, weakly acidic cation-exchange resins, etc. have conventionally been used for removing metal ions present in aqueous solutions. However, there are problems in that strongly acidic ca...
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WO/2020/241476A1 |
The purpose of the invention is to further reduce fine particles contained in ultrapure water to be supplied to a point of use. An ultrapure water production system 1 has: an ultrapure water supply line L1 that is connected to points of ...
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WO/2020/226039A1 |
Provided is a water treatment apparatus that can reduce the amount of chemical solution addition. A water treatment apparatus is provided with a decarbonation apparatus, a first adjustment section, a first water softening apparatus, a se...
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WO/2020/225522A1 |
A water treatment method to generate potable water and a fertilization or fertigation product is provided. The method comprises the steps of: passing a raw water stream through an anion exchange resin (14a, 14b) to generate a potable wat...
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WO/2020/218622A1 |
This method for producing a refined fluoropolymer aqueous dispersion is characterized by comprising a step A for bringing a fluoropolymer aqueous dispersion obtained by using a hydrocarbon-based surfactant into contact with an anion exch...
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WO/2020/217911A1 |
The present invention provides a method for purifying an organic solvent, characterized by having a first processing step for bringing an organic solvent to be processed into contact with an H-form cation exchanger (1), and a second proc...
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WO/2020/208760A1 |
[Problem] To provide: an ion exchange membrane which is able to be easily produced at low cost; and a method for producing this ion exchange membrane. [Solution] Ten mL of a 50 mass% aqueous sodium silicate solution that is obtained by a...
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WO/2020/195773A1 |
This organic solvent treatment method for removing particulates from an organic solvent used in a manufacturing process of electronic components is characterized by comprising a step for bringing said organic solvent into contact with a ...
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WO/2020/172644A1 |
A heavy metal capture composition, devices including the composition, and a method of reducing heavy metal contamination in the environment is described.
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WO/2020/158048A1 |
Provided is an ion exchange resin pretreatment device that can simply and economically reduce water content. The ion exchange resin pretreatment device is characterized by: including at least an undiluted solution tank that stores a nona...
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WO/2020/129060A1 |
The present invention provides a method of deionization of a liquid including passing feedwater to be deionized through a deionization fuel cell system, which includes a deionization fuel cell (DFC), containing, inter alia, a cation exch...
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WO/2020/116725A1 |
The present invention relates to an anion exchange membrane comprising: a scaffold including an ethylene-vinyl acetate copolymer (EVA), an ethylene-methyl acrylate copolymer (EMA), an ethylene-ethyl acrylate copolymer (EEA), an ethylene-...
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WO/2020/112427A1 |
A fluid treatment apparatus comprising a tank containing a bed of at least one fluid treatment medium, a distributor plate separating the bed from an end portion of the tank, and an inert medium comprising amorphous particles having a ha...
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WO/2020/096481A1 |
The invention relates to the field of chemical engineering, and more particularly to an apparatus for carrying out ion exchange processes. The claimed ion exchange apparatus comprises a first pump, the inlet of which is the inlet of the ...
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WO/2020/092036A1 |
A method of strengthening glass articles includes introducing potassium ions to a surface region of the glass by an initial ion-exchange process, thermally treating the glass at a thermal treatment temperature and time sufficient to diff...
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WO/2020/089200A1 |
The invention relates to an apparatus (100) for cleaning at least one fluid, comprising a first ion-exchange column (2), an entry line and an exit line, wherein the entry line and the exit line are assigned to a cover part, wherein the e...
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WO/2020/092122A1 |
Methods and systems of strengthening lithium-containing glass-based substrates including contacting at least a portion of the lithium-containing glass-based substrates with a first salt bath comprising at least 2 wt.% lithium nitrate and...
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WO/2020/086530A1 |
The anion exchange membranes exhibit enhanced chemical stability and ion conductivity when compared with traditional styrene-based alkaline anion exchange membranes. A copolymer backbone is polymerized from a reaction medium that include...
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WO/2020/073409A1 |
An ion exchange resin tower, the upper and lower parts of the tower body of said tower being provided with a liquid inlet and outlet, the resin tower being a multi-section layered structure, and each section shorting (3) being fixedly co...
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WO/2020/069558A1 |
A method (10) for the processing of lithium containing brines, the method comprising the method steps of: (i) Passing a lithium containing brine (12) to a filtration step (14) to remove sulphates; (ii) Passing a product (16) of step (i) ...
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WO/2020/068932A1 |
A monovalent selective ion exchange membrane is disclosed. The membrane includes a polymeric microporous substrate, a cross-linked ion-transferring polymeric layer on a surface of the substrate, and a charged functionalizing layer covale...
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WO/2020/069259A1 |
Methods of enhanced ion exchange (IOX) include exposing a substrate to a bath mixture that includes a second salt dissolved in a first salt, the second salt includes the same metal ion as the first salt with an anion different from the f...
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WO/2020/044767A1 |
[Problem] To provide an ion exchange device body that facilitates the removal of bags in which an ion exchange resin is held and that prevents backflow of liquid that has undergone ion exchange from outside to inside. [Solution] An ion e...
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WO/2020/030988A1 |
A container for treating a fluid with an ion-exchange system is provided. The container includes a housing extending in an upright position between a bottom port and an opposed top port. The housing has an internal chamber. A bottom plat...
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WO/2020/030800A1 |
The invention relates to processing device for processing a fluid, in particular with the aid of a mechanical separation. The processing device has a processing medium, which has a round granulate. Furthermore, the processing device has ...
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WO/2019/244443A1 |
Provided is a method for removing boron from water to be treated, the method including: a step for subjecting the water to be treated to a reverse osmosis membrane treatment; a step for subjecting at least a portion of permeated water af...
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WO/2019/237100A1 |
The present disclosure pertains to methods and systems for separating olefins from a mixture that includes olefins and non-olefins. The methods include associating the mixture with a support that is embedded with an ionic liquid and a me...
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WO/2019/228651A1 |
The present invention relates to a method for recycling extract water accruing in the production of polyamide 6 or copolymers thereof, the method comprising the following steps: a) filtering the extract water using at least one filtratio...
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WO/2019/230276A1 |
This method for treating a treatment liquid comprises a removal step for removing impurities from a filtrate h to obtain a boron solution k, by circulating, through an anion exchange resin 11, the filtrate h as a treatment liquid contain...
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WO/2019/221187A1 |
This ultrapure water production method, for treating raw water for ultrapure water production with an ultrapure water production device to supply the obtained ultrapure water to a use point, is characterized in that: said raw water for u...
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WO/2019/213753A1 |
The present disclosure provides a process for polishing at least one metal contaminant from a stock solution comprising Sc comprising the steps of a) contacting the stock solution with an ion exchange resin capturing Sc and the at least ...
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WO/2019/207995A1 |
A method for removing a metal in a liquid, whereby a metal in a liquid to be treated is removed by contacting the liquid to be treated with an H-type chelate resin mixed with an anion exchange resin, characterized in that the anion excha...
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WO/2019/193776A1 |
Provided is an apparatus for producing hydrogen water comprising an anode layer which has a catalyst necessary for electrolysis and through which water and gas can pass, a cathode layer which has a catalyst necessary for electrolysis and...
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WO/2019/188309A1 |
Provided are: an anion exchange resin that has less of an odor and is suitable for use in ultrapure-water production systems and the like; and a water treatment method that uses the anion exchange resin. An anion exchange resin that has ...
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WO/2019/191326A1 |
A pbotodialysis device that can desalinate saline streams is described herein. The device can have a desalination rate that is significantly faster than current solar thermal desalination technology. Salt is removed from water by passing...
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WO/2019/191589A1 |
A method of application to provide a workable solution for tracking the hardness of water utilizing an ion-selective electrode by tracking the relative hardness of water at the outflow or egress of an ion-exchange column. A monovalent ca...
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WO/2019/188596A1 |
A bipolar membrane BP according to the present invention is characterized in that particles 5 of a basic metal chloride are distributed in the interface between a cation exchange membrane 1 and an anion exchange membrane 3.
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WO/2019/181919A1 |
A cation exchange membrane that contains a fluorinated polymer comprising an ion exchange group, wherein the cluster diameter before energization, as measured in a pure water atmosphere, is in the range of 3.0-3.5 nm, inclusive, and the ...
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WO/2019/178350A1 |
Processes and systems for the energy efficient capture of CO2 from a flue gas stream such as produced or resulting from power plant operation, are provided. The processes and systems integrate the use of high CO2/N2 selectivity membranes...
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