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WO/2019/151075A1 |
A purpose of the present invention is to provide a method for manufacturing a composite semipermeable membrane, the method being capable of forming, on a surface of a porous support in a highly reproducible manner, a separation layer tha...
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WO/2019/152774A1 |
A system for extracting ions from an aqueous solution without utilizing ion exchange. A semi-permeable membrane with 0.1 to 1000 nm diameter pores separates an aqueous salt solution from a chelating gel. The gel has un-crosslinked polyme...
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WO/2019/151337A1 |
An asymmetric membrane containing a crosslinked polyimide resin comprising a polyimide resin crosslinked with a crosslinking agent, wherein the polyimide resin has a constituent unit (A) derived from a tetracarboxylic acid dianhydride an...
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WO/2019/150955A1 |
Provided are: a filter member for capturing extracellular microparticles, said filter member having a simple structure but yet being capable of achieving a high efficiency of capturing extracellular microparticles; a kit for capturing ex...
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WO/2019/146671A1 |
This reverse osmosis membrane is provided with: a porous support substrate 2; and a separation active layer 3 comprising a carbon film that contains organized carbon, the separation active layer 3 being formed on the surface of the porou...
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WO/2019/145481A1 |
The invention relates to the use of an uncoated cross-linked non-pyrolysed selective vinyl based halopolymer-membrane with a mwco of between 100 and 1000 Da, in the filtration of compounds from liquids comprising organic solvents and/or ...
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WO/2019/143165A1 |
The present invention relates to a ceramic filter membrane module. It is possible to filter a fluid to be filtered, such as raw water, with higher efficiency through a plurality of ceramic filters accommodated in a housing. In addition, ...
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WO/2019/142507A1 |
An aromatic polysulfone resin which has repeating units represented by formula (I) and formula (II) and in which the ratio (m:n) of the molar content (m) of the repeating units represented by formula (I) and the molar content (n) of the ...
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WO/2019/143299A1 |
The present invention relates to hyper-branched compounds, a method of synthesizingthe hyper-branched compounds and applications of the hyper-branched compounds. Thehyper-branched compounds of the present invention include hyper-branched...
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WO/2019/142531A1 |
This zeolite membrane composite (1) is provided with a support body (11) and a zeolite membrane (12) formed on the support body (11). The zeolite membrane (12) is an SAT-type zeolite membrane. Particles (121) having an aspect ratio of 1....
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WO/2019/141498A1 |
A module includes flat ceramic segments, a potting material and a housing. The module exhibits relatively low pressure decay. A method for preparing such a module is provided.
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WO/2019/143182A1 |
The present specification pertains to a method for preparation of a water-treatment separation membrane, the method comprising a step of contacting an aqueous solution containing free chloride and halogen ions with a polyamide activation...
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WO/2019/143951A1 |
The disclosure pertains to sanitizing the permeate flow path of a reverse osmosis system. A method of sanitizing a filtration system is disclosed that can include injecting a biocide into a permeate compartment of an operating reverse os...
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WO/2019/139435A1 |
The present invention relates to a graphene filter module for water treatment, comprising a graphene filter layer.
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WO/2019/139542A1 |
There is provided a graphene-based membrane, particularly a free-standing one, comprising: a plurality of partially oxidised few-layer graphene (POFG) sheets; and a polymer for interconnecting the plurality of POFG sheets in a matrix. In...
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WO/2019/137054A1 |
A preparation method for a super-hydrophilic ultrafiltration membrane having photocatalytic properties, comprising the following steps: (1) preparation of a TiO2 sol solution: adding tetrabutyl titanate and glacial acetic acid to N,N-dim...
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WO/2019/136272A1 |
Nanoporous selective sol-gel ceramic membranes, selective-membrane structures, and related methods are described. Representative ceramic selective membranes include ion-conductive membranes (e.g., proton-conducting membranes) and gas sel...
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WO/2019/136402A1 |
Provided are methods of preparing, detecting, and/or assaying an analyte of interest from a sample. The methods utilize functionalized silicon membranes, such as, for example, functionalized silicon nanomembranes. Samples that can be use...
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WO/2019/136398A1 |
Provided are methods using and making functionalized silicon membranes, such as, for example, functionalized silicon nanomembranes. The methods may combine one or more (e.g., two) surface modification processes (e.g., using a combination...
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WO/2019/135710A1 |
There is provided a thin film composite (TFC) membrane comprising a support layer and a selective layer, formed of a cross-linked polyamide comprising Na+-functionalised carbon quantum dots (NaCQD), on a surface of the support layer. The...
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WO/2019/131493A1 |
Provided is a membrane element 12 which is formed by bonding a filtration membrane 22 and a flow channel material 21, wherein: the flow channel material 21 is formed by arranging threads in a three-dimensional structure, has therein a vo...
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WO/2019/130686A1 |
A filtration membrane for use in the treatment of oil-containing wastewater according to one embodiment of the present invention is provided with a support layer which contains polytetrafluoroethylene as the main component and has many f...
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WO/2019/131786A1 |
Provided is a gas separation membrane that can be used continuously. The gas separation membrane comprises: a porous support membrane that contains an aromatic polyamide in which an aromatic ring has been replaced with a chloro group; an...
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WO/2019/131304A1 |
One aspect of the present invention is a composite hollow fiber membrane provided with a semipermeable membrane layer and a hollow-fiber-like porous support layer, wherein the semipermeable membrane layer contains a crosslinked polyamide...
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WO/2019/127335A1 |
A method for fabricating a graphene oxide filter membrane, comprising: first, providing a copper foil substrate (1); next, forming a series of microporous arrays (2) on the copper foil substrate (1) by means of laser processing or machin...
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WO/2019/131792A1 |
The present invention pertains to a polycrystalline membrane containing metal nitride particles represented by the general formula MNx (where M is a metal element in which the Fermi energy is in a position higher than -4.4 eV vs L.V. and...
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WO/2019/130470A1 |
Provided is a method for removing CO2, comprising the steps of: feeding a gas of interest which contains CO2, N2, and O2 to a feeding side of a CO2 permselective membrane at a temperature ranging from 15°C to 50°C inclusive; generating...
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WO/2019/129462A1 |
The invention relates to a method for transporting a filter module (10) comprising an elongate and tubular housing (12) and at least one flat filter segment (26) arranged in the housing (12), said method comprising the following steps: a...
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WO/2019/131173A1 |
The purpose of the present invention is to improve a recovery rate of an object to be separated. This distillation recovery system (1) of the present invention for separating and recovering an object (50) to be separated in a fluid (51) ...
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WO/2019/123177A1 |
Articles with covalently attached thiocarbonylthio-containing groups are provided. More specifically, the articles include a solid polymeric substrate with a plurality of thiocarbonylthio-containing groups covalently attached directly to...
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WO/2019/121494A1 |
The present invention relates to fluorinated block copolymers comprising alternated hard block and soft block, wherein both said hard and soft blocks comprise vinylidenfluoride (VDF). The present invention further relates to the use of s...
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WO/2019/121767A1 |
The present invention relates to a method for producing cycloalkenamer-containing compositions. The polymerisation of cycloalkenamer is stopped by adding alkyl vinyl ethers. A membrane filtration is subsequently carried out. This type of...
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WO/2019/122828A1 |
There is described a filtration membrane, suitably for water filtration. The membrane comprises a porous substrate layer and an active layer arranged over at least a part of the substrate layer. The active layer has a lamellar structure ...
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WO/2019/126489A1 |
Described herein are protective coatings for reverse osmosis membranes comprising coating mixtures of graphene oxide crosslinked with copolymers. The crosslinked GO copolymer mixture coatings provide protection from chlorine-based defoul...
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WO/2019/115274A1 |
The present invention relates to a method for removing metal ions from an aqueous system comprising a step of filtering the aqueous system through a loaded membrane which contains a carrier membrane based on a polyarylene ethersulfone wh...
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WO/2019/117158A1 |
Provided is an internal pressure adjustment member for attaching to the outer surface of a case, that: has high air permeability even when the pressure difference that may occur between inside and outside of the attachment case is small;...
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WO/2019/116310A1 |
Embodiments of the present disclosure describe functionalized polymeric membranes including one or more dithiol compounds that extend from a nanoparticle provided on or near a surface and/or pores of a polymer material, wherein at least ...
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WO/2019/117121A1 |
The purpose of the present invention is to provide a wastewater treatment method that can implement zero liquid discharge (ZLD). Provided is a wastewater treatment method for recovering water in wastewater treatment and disposing of or r...
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WO/2019/118177A1 |
A filter including a porous support defining one or more channels therethrough, and a porous ceramic membrane layer on a surface of the porous support defining at least one of the one or more channels. The ceramic membrane layer includes...
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WO/2019/117687A1 |
According to the present invention, a porous separator and an electrochemical device comprising the same are disclosed, the porous separator comprising a porous layer that comprises: a plurality of plate-shaped inorganic particles; and a...
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WO/2019/112259A1 |
The present specification relates to a method for producing a composition for forming a gas separation membrane active layer, and to a composition for forming a gas separation membrane active layer, the method comprising the steps of: ob...
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WO/2019/111157A1 |
Embodiments of the present disclosure describe a method of making a membrane comprising contacting one or more membrane materials, a solvent, and a non-solvent at a first temperature sufficient to form a homogenous solution; casting the ...
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WO/2019/110962A1 |
A composite membrane comprising (a) a porous support; (b)optionally a gutter layer; (c) a discriminating layer comprising (i) 1 to 99wt% of a polyimide comprising a repeat unit of Formula (1); and (ii) 1 to 99wt% in total of a polyimide ...
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WO/2019/106344A1 |
A filtration membrane, suitably for water filtration, comprising a porous substrate layer and an active layer arranged over at least a part of the substrate layer. The active layer has a lamellar structure comprising at least two layers ...
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WO/2019/106306A1 |
A monolithic membrane filtration structure for filtering liquids, comprising a support formed from a porous inorganic material of permeability Ks, said support having a generally tubular shape having a main axis, an upstream base, a down...
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WO/2019/108136A1 |
There is provided a thin film composite (TFC) hollow fibre membrane comprising a porous hollow fibre support layer formed of a polymer and a selective layer, formed of a cross-linked polyamide, on an inner circumferential surface of the ...
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WO/2019/102871A1 |
The purpose of the present invention is to provide: a solvent dehydration system 1 that is capable of efficiently dehydrating a mixed liquid X2 by supplying the mixed liquid X2, which is at a stable temperature, to a pervaporation device...
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WO/2019/104214A1 |
The present disclosure is directed to cross-flow membrane emulsification devices. The devices disclosed herein can have a continuous phase plate, a dispersed phase plate, an outlet, and a chamber. The chamber is located between the conti...
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WO/2019/103537A1 |
The present invention relates to a patch-type fluorine-based porous film of which the fibril structure is stabilized by the immersion coating of a water- and oil-repellent polymer and in which free shrinkage is conducted before the immer...
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WO/2019/097994A1 |
This acidic gas separation membrane sheet selectively allows permeation of an acidic gas, and comprises a first porous layer, a hydrophilic resin composition layer, and a second porous layer, in this sequence. A second peel strength betw...
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