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WO/2023/283700A1 |
A gold-copper recovery circuit (10) comprises an adsorption circuit (20); and an elution circuit (30) in which the adsorption circuit (20) receives a slurry (22) containing gold and copper in a cyanide solution; and a resin adsorbent (10...
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WO/2023/287733A1 |
Separation media includes a membrane and a plurality of ligands immobilized on the membrane, the plurality of ligands comprising anion-exchange ligands, cation-exchange ligands, thiophilic ligands, hydrophilic ligands, hydrophobic intera...
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WO/2023/280562A1 |
The present invention relates to a method for virus capture or separation. More closely, the invention relates to a method for direct influenza and adenovirus capture using magnetic beads. The method allows direct separation from crude c...
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WO/2023/274989A1 |
An anion exchange chromatography medium (1) for use in purification of enveloped virus particles or exosomes from a feed, the anion exchange chromatography medium comprising a support material being functionalized with a ligand comprisin...
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WO/2022/269449A1 |
The present invention is directed to fractionation of crude tall oil, which originates from the Kraft process black liquor. In the method according to the present invention, strongly basic anion exchange resins are used to efficiently se...
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WO/2022/271979A1 |
The present invention relates to systems and methods for catalytic removal of per- and polyfluoroalkyl substances (PFAS) from water and wastewater. The system and methods utilize a catalyst film and a biofilm to synergystically remove PF...
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WO/2022/245790A1 |
A sorbent article is described including a sorbent region, a desorbing media region, and a selective barrier layer positioned at least between the two regions. Also described are methods of forming the sorbent article and methods of usin...
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WO/2022/241689A1 |
A processes for purifying glycol ethers, comprises (a) providing a glycol ether to a first vessel, the glycol ether, the glycol ether having the following formula: R 1-O- (CHR 2CHR 3) O) nR 4; wherein R 1 is an alkyl group having 1 to 9 ...
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WO/2022/236415A1 |
The present disclosure relates to a membrane apparatus for selectively retaining and releasing target cations, such as lithium. The membrane apparatus comprises a cation exchange layer and an anion exchange layer that are coupled and con...
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WO/2022/229904A1 |
In some aspects, the present disclosure pertains to chromatographic materials that comprise (a) a bulk material and (b) a zwitterionic polymer covalently linked to a surface of the bulk material, in which the zwitterionic polymer compris...
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WO/2022/230998A1 |
The present invention addresses the problem of providing an ion exchange membrane with which: the surface area of a membrane effective for ion permeation can be increased; an electrical resistance of a flow passage between membranes and ...
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WO/2022/219953A1 |
The purpose of the present invention is to provide: an ion exchanger which shows small shrinkage upon the contact with an organic solvent in a water-wetted state; and a method for producing the ion exchanger. Provided is an ion exchanger...
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WO/2022/209391A1 |
Provided is a method for purifying a non-aqueous liquid in a simple and cost-efficient manner, without requiring a large amount of the non-aqueous liquid, by using an ion exchange resin having a reduced water content. The method for puri...
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WO/2022/207470A1 |
Cationically charged membranes obtainable from curing a composition comprising an aromatic heterocyclic compound, wherein the aromatic heterocyclic compound comprises: a) an aromatic heterocyclic ring; b) at least two polymerisable group...
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WO/2022/209392A1 |
Provided is a method for purifying a hydrolyzable organic solvent, the method making it possible to reduce the metal impurity concentration in the hydrolyzable organic solvent while suppressing the generation of acids. There is used a me...
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WO/2022/192963A1 |
The present invention provides a method of producing core-shell polymer microbeads, the method comprising: (a) providing a core solution containing one or more water insoluble polymers in a water-soluble solvent; (b) providing a shell so...
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WO/2022/194605A1 |
The present invention provides compounds, especially polymeric compounds, a process for preparation thereof and for the use of these compounds. Intended use is in the field of electro- chemistry. Anion-conducting properties of disclosed ...
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WO/2022/197954A1 |
A method of making a material for capturing carbon dioxide from the earth's atmosphere, comprises producing an acid and a base with an electrochemical acid-base generator; dissolving a mineral in the acid to produce a mineral rich soluti...
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WO/2022/178323A1 |
The present disclosure provides systems and methods for an integrated direct air capture of reactants from the atmosphere for use in an aqueous electrochemical CO2 reduction process. An integrated method of direct air capture of CO2 may ...
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WO/2022/173886A1 |
A system for removing long-chain and short-chain per- and polyfluoroalkyl substances (PFAS) from contaminated water using a regenerable anion exchange resin includes at least one first anion exchange resin vessel configured to receive a ...
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WO/2022/159848A1 |
Hydrocarbon backbone polymers with pendant quaternary ammonium groups and methods of making and using same. A polymer can be made by a ring-opening polymerization of quaternary ammonium bearing monomer(s), and, optionally, non- quaternar...
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WO/2022/157019A1 |
The present invention provides (polymeric) compounds and a process for preparation thereof. Intended use is in field of electrochemistry. Anion-conducting properties of disclosed compounds making this material suitable for preparing anio...
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WO/2022/136422A1 |
The present invention refers to a Method for modifying a support material, in particular a polymeric support material, for use as a stationary phase in an analytical or preparative separation process. The method comprises the steps of pr...
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WO/2022/130322A1 |
The present invention concerns a method for separating different oligosaccharides having at least one carboxylic acid group, also referred to as charged oligosaccharides. The method allows for the high throughput separation of oligosacch...
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WO/2022/115429A1 |
Disclosed is a method for controlling the amount of leakage of per- and polyfluoroalkyl substances (PFAS) or other contaminants from resin beds during water purification processes that employ multiple vessels or banks of PFAS ad/ab-sorbi...
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WO/2022/113741A1 |
This water softening device (1) comprises a water softening tank (3) and a neutralizing tank (4). The water softening tank (3) softens raw water containing hardness components by means of a weakly acidic cation exchange resin (7). In add...
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WO/2022/102326A1 |
A method for more accurately analyzing the contents of metal impurities in a liquid (ultrapure water) containing a low concentration of metal impurities is characterized by including: a liquid passing step for allowing the liquid to pass...
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WO/2022/087738A1 |
A process for the removal of anionic radionuclides from spent ion exchange resin comprising mixing at least one reagent with said resin in solution to form a first mixture, and removing the anionic radionuclides from the spent ion exchan...
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WO/2022/091605A1 |
A method for purifying an organic solvent characterized by having an ion exchange treatment step for bringing an organic solvent to be treated into contact with an ion exchange resin and a distillation step for distilling the treated liq...
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WO/2022/087656A1 |
The invention provides a process for removing cyanide from a cyanide-bearing aqueous fluid, the process comprising: (i) adding a solid composition comprising a first mixed-metal cyanide complex comprising copper and iron to a cyanide-bea...
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WO/2022/090545A1 |
A method of manufacturing an anion exchange membrane comprises the following steps: grafting side chains onto a TPE; purifying the grafted TPE; casting the purified grafted TPE; and functionalising the grafted TPE to obtain a cationic mo...
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WO/2022/081642A1 |
The present disclosure concerns scalable single-pot synthesis, anion binding features, liquid-liquid extraction of salts of the triazolophane macrocycle of Formula (I): wherein the substituents R are independently selected from the group...
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WO/2022/069384A1 |
A polymer film obtainable by polymerising a composition comprising: (a) a compound Formula (I); wherein: R is C1-4-alkyl, NH2 or C6-12-aryl; and M+ is a cation; (b) a monomer comprising at least two polymerisable groups; and (c) a solven...
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WO/2022/064154A1 |
The invention relates to a purification method, comprising the following steps: - supplying a stream (6) comprising a non-ionised species, monovalent cations and divalent cations; - bringing the stream (6) into contact with a first catio...
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WO/2022/065158A1 |
A water softening device comprising: a water softening tank in which raw water is softened with a weakly acidic cation-exchange resin; a pH adjustment tank; an electrolysis tank in which acid electrolysis water is generated; a conductivi...
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WO/2022/030472A1 |
Provided is a device for generating aqueous hypochlorous acid that makes it possible to perform ion exchange and generate aqueous hypochlorous acid without causing the pH of a liquid to be treated to decrease to an extreme degree. The ...
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WO/2022/024815A1 |
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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WO/2022/004180A1 |
This water softening device (1) comprises a water softening tank (3), a neutralizing tank (4), an electrolyzing tank (12), and a control unit (30). The water softening tank (3) softens, with a weakly acidic cation exchange resin (10), ra...
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WO/2021/252587A1 |
The present disclosure is directed to methods and systems of purifying solvents. The purified solvents can be used, e.g., as pre-wet liquids, solution developers, and cleaners in a multistep semiconductor manufacturing process.
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WO/2021/246198A1 |
A method is provided for changing the ionic form of an anion exchanger easily, quickly and at a high rate while suppressing metal residue of various types. In order to change the ionic form of an anion exchanger, this method for changing...
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WO/2021/239771A1 |
A process for the reduction of the concentration of perfluoroalkyl substances (PFAS) in water containing them, comprising a step of percolating water through a layer (2) of a polymeric material in subdivided form containing electropositi...
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WO/2021/225583A1 |
A solid polymer electrolyte including a cross-linked ionic liquid (IL) matrix having functional group capable of interacting with lithium ions; polymerizable PEM formulations containing polymerizable ionic liquid (IL) materials (monomers...
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WO/2021/215539A1 |
[Problem] The present invention addresses the problem of providing an ion exchange membrane that can separate and refine exosomes present in a biological sample of blood serum or the like simply and at low cost. [Solution] The present in...
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WO/2021/193161A1 |
This anion exchange membrane comprises a base material formed from a polyolefin-based woven fabric, and an anion exchange resin, wherein the electrical resistance measured at 25°C using 0.5 M saline ranges from 1.0 Ω⋅cm2 to 2.5 Ω⋅...
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WO/2021/159185A1 |
The present invention relates to a process and plant for treating feed water containing nitrate. The process includes, sorbing nitrate from the feed water onto an ion exchange resin to form a loaded resin and produce a treated water stre...
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WO/2021/155357A1 |
ABSTRACT A quaternary ammonium-functionalized poly(arylene ether sulfone) copolymer for moisture-swing CO2 capture, and a method for producing the same, is disclosed. The copolymer includes a polysulfone copolymer having a copolymerizati...
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WO/2021/150994A1 |
The present disclosure relates, in part, to polymers having a graft chain and/or a cyclic amino group. In particular examples, the graft chain and/or the cyclic amino group provides enhanced hydrophilicity, alkaline stability, and/or ani...
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WO/2021/140764A1 |
Provided is a method for purifying a non-aqueous solvent, the method characterized by comprising: a pretreatment step for passing a non-aqueous solvent for dehydration treatment through an ion exchange resin-filled layer prior to dehydra...
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WO/2021/124194A1 |
Process for recovering and recycling alkyl sulfonic acid in the production of lipids from biomass deriving from Guayule plants comprising the following steps: (a) obtaining a hydrolysate comprising 5 -carbon sugars (C5) from the biomass ...
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WO/2021/126947A1 |
Disclosed herein are methods and systems that relate to various configurations of electrochemical, bromination, oxybromination, bromine oxidation, hydrolysis, neutralization, and epoxidation reactions to form propylene bromohydrin, propa...
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