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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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WO/2021/262873A1 |
Provided are certain membranes useful in the filtration of liquids and removal of various contaminants therein. In certain aspects the membranes have as one component a polyamide such as Nylon 11 and/or Nylon 12. Also provided is methodo...
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WO/2021/256393A1 |
[Problem] The present invention addresses the problem of providing a composite semipermeable membrane which is capable of stably exhibiting high water permeability and separation characteristics. [Solution] A composite semipermeable memb...
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WO/2021/254820A1 |
The present invention relates to a solution comprising at least one sulfone polymer, at least one water-soluble polymer and gamma-valerolactone (4,5-Dihydro-5-methyl-2(3H)-furanone, CAS number 108-29-2, formula), the process of making a ...
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WO/2021/253882A1 |
A dual hydrophilic polyethylene ultrafiltration membrane and a preparation method therefor. A chitosan (or derivative thereof)/nano-silica polyethylene ultrafiltration membrane is prepared by means of a combination of amine and hydroxyl ...
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WO/2021/256237A1 |
A polyimide compound contains a repeat unit that has an aromatic diamine component of prescribed structure, in which a side chain benzylic position has been regioselectively brominated. A gas separation membrane has a gas separation laye...
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WO/2021/252074A1 |
Composite materials for removing hydrophobic components from a fluid include a porous matrix polymer, carbon nanotubes grafted to surfaces of the porous matrix polymer, and polystyrene chains grafted to the carbon nanotubes. Examples of ...
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WO/2021/248900A1 |
Disclosed are a high-flux modified titanium oxide composite ultrafiltration membrane and application thereof; in the present invention, cysteic acid is selected to modify the surface of a membrane layer; the carboxyl group on the cysteic...
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WO/2021/248896A1 |
A preparation method for a titania ceramic ultrafiltration membrane. A sol-gel process is combined with hydrothermal processing of a microemulsion medium to prepare a titania nanosol. An additive is introduced into a titania sol to form ...
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WO/2021/250639A1 |
The present invention relates to a device comprising a mixed matrix membrane, wherein said mixed matrix membrane is a polymeric membrane in which at least one metal-organic framework (MOF) having formula (I) is dispersed: XIICuII 6[(S,S)...
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WO/2021/248899A1 |
A graphene oxide-modified polydopamine composite nanofiltration membrane and a preparation method therefor are disclosed. The invention comprises a polyethersulfone support and an organic functional layer disposed thereon. The organic fu...
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