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WO/2022/037492A1 |
The present invention provides an asymmetric hydrophobic polyolefin hollow fiber membrane, preparation method therefor, and use thereof. The hollow fiber membrane comprises a support layer and a separation layer. The separation layer com...
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WO/2022/038971A1 |
A flat ceramic membrane 1 is provided with: a plate-like porous support body 21 comprising ceramics; and a filtration membrane 22 formed on an outer surface of the porous support body 21. Inside the porous support body 21, a plurality of...
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WO/2022/038970A1 |
A ceramic flat membrane 1 comprises: a plate-like porous support 21 comprising a ceramic material; and a filter membrane 22 formed on the outer surface of the porous support 21. The porous support 21 has a plurality of water collection c...
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WO/2022/040500A1 |
Dual phase membranes include a porous support providing a solid phase having a matrix of connected pores, and a liquefiable ion transport phase within the pores of the porous support. The ion transport phase is formed of at least one alk...
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WO/2022/040154A1 |
Articles including poly(2,2,3,3,4,4,4-heptafluorobutyl methacrylate) or poly(2,2,3,3,4,4,4-heptafluorobutyl acrylate), fluoropolymers that do not form perfluorooctanoic acid (PFOA) when they degrade and that exhibit unexpectedly good oil...
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WO/2022/038344A1 |
Described herein is a membrane for use in membrane distillation, comprising a porous polymer matrix and functionalized graphene or graphene oxide, the graphene or graphene oxide being functionalized with a polyhedral oligomeric silsesqui...
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WO/2022/032730A1 |
A method for preparing a solvent-resistant reverse osmosis composite membrane. A photocatalytic modification technology is used. An inorganic photocatalytic nanomaterial is introduced into a polysulfone base membrane and a polyamide ultr...
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WO/2022/034134A1 |
The invention relates to a method of recovering hydrogen halide from an aqueous hydrohalic acid, wherein the aqueous hydrohalic acid is contacted with a semipermeable material in order to absorb the hydrogen halide present in the hydroha...
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WO/2022/029888A1 |
[Problem] To provide a gas production device with which it is possible to efficiently produce a generated gas containing carbon monoxide from a raw material gas containing carbon dioxide, while enhancing energy efficiency. [Solution] A g...
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WO/2022/031993A1 |
The present disclosure provides an improved filtration membrane suitable for filtration of blood in vivo. The improved filtration membrane is resistant to breakage with minimal areal penalty due to presence of a system of supports on the...
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WO/2022/030196A1 |
A gas separation membrane comprising a composite membrane, wherein the composite membrane has a gas separation function layer, and a compound having a composition different from that of a compound included in the gas separation function ...
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WO/2022/030267A1 |
The present invention provides a gas separation system suitable for reducing the energy required for the separation of a mixed gas. A gas separation system 100 according to the present invention is provided with a first separation membra...
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WO/2022/031968A1 |
Disclosed are reel-to-reel coating sytems that can be used to form graphene-coated tapes. The coating systems can be modular, self-contained, and sized to allow for benchtop fabrication of coated tape substrates for use in imaging applic...
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WO/2022/032015A1 |
The present disclosure relates to methods of making multi-layered graded multiblock copolymer films; multi-layered graded multiblock copolymer films made by the disclosed methods; uses of the disclosed multi-layered graded multiblock cop...
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WO/2022/031821A1 |
A membrane is described for purifying or separating hydrogen from a multi-component gas stream such as syngas. This membrane uses a molecular pre-treatment, a transition metal, fluorine containing polymer, carbon fibers and carbon matrix...
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WO/2022/030572A1 |
This composite separation membrane for gas separation comprises a support membrane having at least a porous support layer, and a crosslinked polyamide separation function layer (hereinafter referred to as a separation function layer) pro...
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WO/2022/024452A1 |
Provided is a method for manufacturing a selectively-permeable membrane, the method including a step for interfacially polymerizing aromatic polyfunctional amine monomers and aromatic polyfunctional acid chloride monomers to form a dense...
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WO/2022/026136A1 |
A method of forming a carbon molecular sieve membrane includes dissolving a halogenated precursor polymer in a solvent, thereby forming a dissolved halogenated precursor polymer. Homogeneously dehydrohalogenating the dissolved halogenate...
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WO/2022/025336A1 |
Disclosed is a nano membrane which has improved dustproofness and thus effectively prevents matter, contaminants/dust, and the like from getting into an electronic device such as a PCB or a MEMS microphone, and has no air and sound perme...
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WO/2022/021952A1 |
Disclosed is a preparation method for an MBR flat filter membrane for domestic sewage treatment. The method comprises the following steps: modification of nanoparticles, preparation of a polyethylene membrane-casting solution, preparatio...
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WO/2022/024414A1 |
The present invention provides an ammonia concentration method and an ammonia concentration device, each of which is capable of suppressing biofouling, while maintaining the recovery rate of ammonia in a concentration process of water to...
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WO/2022/026968A1 |
A membrane for fluid species transport includes a porous substrate and a selective-transport layer comprising 2-D-material flakes. The porous substrate defines surface pores with dimensions larger than 2 microns, and the selective-transp...
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WO/2022/020969A1 |
The purpose of the proposed invention is to solve the unresolved problem of having techniques for separating a water current containing different components, depending on their origin. This separation results in two currents, one with th...
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WO/2022/018910A1 |
A separation membrane composite (1) comprises: a porous support (11); and a separation membrane that is formed on the support (11) and is used for the separation of a fluid. A supply-permeation area ratio is 1.1 to 5.0 inclusive, the rat...
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WO/2022/019834A1 |
Disclosed herein are vapour-phase crosslin ked composite membranes in the form of crosslinked polymers and defined inorganic materials. The membranes disclosed herein may have a narrow pore size distribution and precise molecule separati...
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WO/2022/018697A1 |
Crown ether (CE) functionalized metal organic framework (MOF) compositions (CEMOFs) and membranes comprising CEMOFs for lithium or other ion transport and/or ion separation, and related components, systems and processes utilizing CEMOFs ...
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WO/2022/014469A1 |
This separation system (4) comprises: a first separation unit (41) which has a separation membrane and is provided with a fluid supply port (411), a permeated fluid discharge port (413), and a non-permeated fluid discharge port (412); a ...
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WO/2022/015088A1 |
The present invention relates to a composite membrane in which a rubbery polymer is introduced into a gutter layer in order to suppress physical aging of a highly permeable composite membrane and, more particularly, to a composite membra...
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WO/2022/014537A1 |
In the present invention, the concentration power of a cleaning solution is increased. A membrane filtration system comprises: a filtration body (32) for filtering, through a membrane, a cleaning solution (W0) from a scrubber that purifi...
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WO/2022/014301A1 |
This gas separation membrane, which selectively transmits specific gas components, includes a first porous layer and a separation function layer provided on a first surface of the first porous layer. The separation function layer contain...
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WO/2022/011556A1 |
A nanofiber air filter membrane and a manufacturing method therefor. The filter membrane is manufactured by using a copolymer of vinylidene fluoride and hexafluoropropylene (PVDF-HFP), and polyacrylonitrile (PAN), wherein the content of ...
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WO/2022/014268A1 |
Provided is an alkali-resistant porous glass member suitable as a gas sensor element. A porous glass member characterized by containing more than 0% of ZrO2+TiO2+Al2O3+BeO+Cr2O3+Ga2O3+CeO2 in mass%, and by having, at a thickness of 0.5...
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WO/2022/014762A1 |
The present invention relates to a multi-stage membrane separation process that combines: (I) a multi-stage membrane separation process for capturing carbon dioxide contained in combustion flue gas; and (II) a process for concentrating n...
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WO/2022/014302A1 |
This resin composition for a gas separation membrane contains a crosslinked polymer (X) having: carboxy groups or a salt thereof; and a crosslinked structure. The mesh size of the crosslinked polymer (X) is 1.75 to 2.35 nm.
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WO/2022/016078A1 |
Disclosed herein are compositions, systems, and methods of using dual-layer hollow fiber membranes. The compositions and systems of the disclosure can be used to desalinate water from an underground formation. The compositions and system...
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WO/2022/010941A1 |
A product includes a nanoporous membrane having a plurality of carbon nanotubes and a fill material in interstitial spaces between the carbon nanotubes for limiting or preventing fluidic transfer between opposite sides of the nanoporous ...
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WO/2022/008883A1 |
Certain examples of the present disclosure relate to a method for manufacturing a ceramic object, the method comprising: forming a ceramic structure by 3D printing the ceramic structure with a binder jetting 3D ceramic printer using a ce...
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WO/2022/009514A1 |
Provided is a gas separation method that enables suppression of decrease in gas permeation performance of a hydrophilic porous membrane while maintaining excellent membrane production performance of the hydrophilic porous membrane. By us...
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WO/2022/005144A2 |
The present invention relates to a flat ceramic separation membrane manufacturing method to which tape casting is applied, and relates to a flat ceramic separation membrane manufacturing method for separating, into a solid and a liquid, ...
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WO/2022/004217A1 |
The present invention addresses the problem of providing a method for producing a treatment liquid having excellent filterability. The method for producing a treatment liquid comprises filtering an object to be purified containing a su...
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WO/2022/005145A2 |
The present invention relates to a flat ceramic separation membrane module, and more particularly, to a flat ceramic separation membrane module that can maximize the operating efficiency of a flat ceramic separation membrane and efficien...
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WO/2022/004738A1 |
This forward-osmosis composite hollow fiber membrane module has hollow fiber bundles, wherein: the hollow fibers are each such that a separation active layer of a high-molecular polymer thin film is provided on the inner surface of a mic...
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WO/2022/002788A1 |
Disclosed herein is a process for preparing a hollow fiber comprising the steps of providing a dope solution comprising polyamide imide (PAI), providing an aqueous bore solution comprising polyethylene imine (PEI), extruding the dope sol...
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WO/2021/258586A1 |
Regarding the insufficient swelling resistance of existing nanofiltration membranes in organic solvents, the present invention provides a swelling-resistant sulfonated polyethersulfone nanofiltration membrane comprising an ultrafiltratio...
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WO/2021/258701A1 |
The present invention discloses a preparation method of a sustainable hydrophilic modified polyvinylidene fluoride hollow membrane, comprising the following steps: (1) a core solution and a polyvinylidene fluoride casting solution are co...
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WO/2021/262018A1 |
The invention relates to an oxygen transporting membrane, comprising a matrix and particles with magnetic properties dispersed therein, wherein concentration of the particles with magnetic properties increases between one internal membra...
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WO/2021/262750A1 |
Provided are certain composite membranes useful for removing various impurities from liquids. In certain aspects, the composite membranes comprise a hydrophobic polymer having a polyamide coated thereon, and in other aspects, such compos...
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WO/2021/263141A1 |
Cultivation systems including a cultivation substrate configured to promote seaweed holdfast formation and seaweed attachment are disclosed. The cultivation systems may include one or more of a nutrient phase, an adhesive, a bioactive ag...
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WO/2021/262093A1 |
Disclosed herein is a composite material membrane comprising a substrate having a surface and a layer attached to the surface of the substrate. The layer comprises a pressure-responsive metal-organic framework nanosheets (MON) and graphe...
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WO/2021/258587A1 |
A swelling-resistant sulfonated polyethersulfone nanofiltration membrane, comprising an ultrafiltration support layer and a nanofiltration separation layer loaded on the ultrafiltration support layer, wherein both the ultrafiltration sup...
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