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WO/2023/075532A1 |
The present invention can provide a CHA-DDR-based zeolite separator, which comprises a first layer including a CHA structure and a DDR structure, and a second layer provided on the first layer and including the DDR structure, is in the f...
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WO/2023/074528A1 |
The present invention provides a hollow fiber deaeration module which has both excellent deaeration performance and excellent smoothness of a liquid contact surface. More specifically, the present invention provides a hollow fiber deaera...
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WO/2023/074670A1 |
One aspect of the present invention relates to a porous membrane having a porous structure, the porous membrane being characterized in that at least the porous structure of the membrane cross-section is observed in a cross-sectional surf...
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WO/2023/074562A1 |
The purpose of the present invention is to provide a hollow fiber membrane that is capable of efficiently removing extracellular vesicles (vesicles) from a liquid, in particular blood, and a hollow fiber membrane module. To achieve the...
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WO/2023/068244A1 |
This membrane formation composition for forming a membrane upon application to a porous support, the membrane formation composition containing silicone, a solvent for dissolving the silicone, and fine particles, wherein the speed of perm...
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WO/2023/068450A1 |
Disclosed is a method of manufacturing a polyketone hollow fiber membrane, which includes: preparing a dope solution by heating a mixture of polyketone and a diluent and thereby melting the polyketone; removing air bubbles present in the...
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WO/2023/068433A1 |
The present invention relates to a polyvinylidene fluoride (PVDF) composite separation membrane manufacturing method, and a PVDF composite separation membrane manufactured using same, and the PVDF composite separation membrane manufactur...
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WO/2023/057352A1 |
The present invention relates to a membrane (M) comprising a sulfonated poly(arylene ether sulfone) polymer (sP) and a non-sulfonated poly(arylene sulfone) polymer (P), to a method for the preparation of the membrane (M) and to the use o...
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WO/2023/059656A1 |
The disclosure relates to a method of producing a multi-metal catalyst film and of producing a reactor system for catalytic removal of a wide variety of contaminants (for example, nitrate, nitrite, perchlorate, chlorate, chromate, selena...
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WO/2023/058548A1 |
To obtain a high-purity monovalent metal ion recovery solution at a high recovery rate using a nanofiltration membrane and a reverse osmosis membrane from a solution in which monovalent metal ions and polyvalent metal ions are contained,...
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WO/2023/052226A1 |
A bipolar membrane comprising:a) a first layer comprising a first polymer having ionic groups; b) a second layer comprising a second polymer having ionic groups of charge opposite to the charge of the ionic groups of the first polymer; a...
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WO/2023/052574A1 |
The present invention relates to the field of composite membranes. More specifically, the present invention relates to a composite filter membrane comprising: a filtration layer, a support layer comprising at least one through-hole; and ...
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WO/2023/054980A1 |
The present invention provides: a hollow fiber membrane cartridge for uniformly supplying a fluid to a hollow fiber membrane to be able to prevent threads of the hollow fiber membrane from being cut; and a hollow fiber membrane module. A...
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WO/2023/052506A1 |
The present invention relates to a bipolar membrane which has a Constant Phase Element (CPE) of 725 Ohnr-1.sn or lower when measured at a current density of 25 mA/cm2, to a process for preparing the bipolar membrane, to applications the ...
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WO/2023/052052A1 |
A porous film obtainable by curing a composition comprising the following components:(a) 20 to 70wt% styrenic monomer comprising a group of the formula -SO2X;(b) 5 to 30wt% crosslinking agent;wherein:X is of the formula -N(M)SO2R or OM; ...
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WO/2023/054228A1 |
Conventional porous membranes had a mesh structure having a relatively large pore diameter in order to improve the removability of a relatively large component such as a virus. When a filtration raw liquid that is easily stained was filt...
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WO/2023/050481A1 |
A preparation method for an anti-fouling silicon carbide ceramic membrane and a use thereof, relating to the technical field of inorganic membranes. The preparation method comprises the following steps: S1, pretreatment of a carrier: sel...
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WO/2023/054648A1 |
A hollow fiber membrane module operating method according to the present invention comprises a step for performing cross-flow filtration by supplying untreated liquid to the outer surface side of a hollow fiber membrane. The ratio of the...
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WO/2023/048288A1 |
The present invention provides a composite semipermeable membrane which can achieve both of high salt removal performance and water permeability under a condition where the pressure is variable. The composite semipermeable membrane accor...
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WO/2023/047385A1 |
A laundry appliance includes a tub that is positioned within an outer cabinet. A processing space is defined within the tub. A fluid path delivers a process fluid through the tub for treating articles within the processing space. A micro...
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WO/2023/046908A1 |
The invention relates to a device having a filter layer comprising pores with a microstructured functional surface. The invention also relates to a system comprising the device. The invention further relates to a method for producing the...
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WO/2023/040435A1 |
A modified polyisophthaloyl metaphenylene diamine (PMIA) ultrafiltration membrane and a preparation method therefor. The modified PMIA ultrafiltration membrane is prepared by using PMIA as a membrane material, using an amphiphilic block ...
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WO/2023/043935A1 |
A dry-process microporous membrane for filtration, wherein at least one layer of the membrane has an average pore size less than 0.035 microns, preferably between about 0.010 microns to about 0.020 microns, and a thickness less than 14 m...
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WO/2023/040336A1 |
Disclosed is a solvent-resistant forward osmosis composite membrane, the solvent-resistant forward osmosis composite membrane having an upper and lower composite structure composed of a separation layer and a porous support layer, the ma...
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WO/2023/040880A1 |
The present invention provides a UPE porous membrane having a high specific surface area, a preparation method therefor, and a use thereof. The porous membrane comprises a first porous outer surface, a second porous outer surface, and a ...
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WO/2023/040973A1 |
Provided in the present invention are an asymmetric PES filter membrane for virus removal and a preparation method therefor. The PES filter membrane comprises a main body, the main body having a non-oriented tortuous path therein, one si...
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WO/2023/036393A1 |
This invention related to new piezodialysis system by replacing the mosaic ion exchange membrane with two faced Nano porous oppositely charged filters forming three rooms. charges may come from a battery or ionizable chemical groups acco...
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WO/2023/037851A1 |
The present invention relates to a hydrogen permeable membrane which is formed of a PdCu alloy and is applicable to hydrogen purification. This hydrogen permeable membrane is characterized in that: the PdCu alloy contains 38.75% by mass ...
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WO/2023/035555A1 |
A forward osmosis membrane and a preparation method therefor. The forward osmosis membrane has a sequentially laminated membrane structure, and comprises a hydrophilic support grid and a hydrophilic polymer membrane layer. The support gr...
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WO/2023/037886A1 |
This method for processing a separation membrane composite includes a step of preparing a separation membrane composite comprising a porous support and a separation membrane provided on the support (step S11), and a step of causing a was...
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WO/2023/038538A1 |
A method, apparatus and system for seawater treatment are provided. The apparatus for seawater treatment includes a first chamber that is in fluid communication with a feed solution, a second chamber that is in fluid communication with a...
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WO/2023/033069A1 |
The present invention is a concentration method for concentrating, before performing analysis using an analysis device, an analysis solution that includes an analysis solute and an analysis solvent. The concentration method is based on p...
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WO/2023/031041A1 |
Filter holders (301, 401) and membranes (307, 407, 720) are provided that can be included within a bioreactor bag system (303, 305, 403, 405). The filter holders and membranes (307, 407, 720) include features (332, 432) that allow incorp...
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WO/2023/031040A1 |
Filter holders (401) and membranes (407) are provided that can be included within a bioreactor bag system (403). The filter holders (401) and membranes (407) include features (430) that abut the bottom of the filter membrane (407) and pr...
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WO/2023/032744A1 |
The present invention provides a separation function layer in which leakage of ionic liquid is minimized and which offers improved strength. A separation function layer 1 according to the present invention comprises: an ionic liquid L; a...
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WO/2023/033340A1 |
A hollow fiber membrane cartridge according to one aspect of the present invention comprises: a plurality of hollow fiber membranes; and a body part in which the plurality of hollow fiber membranes are arranged and in which mesh parts ar...
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WO/2023/027052A1 |
[Problem] To provide a high-quality hollow fiber microporous membrane that is concurrently provided with high levels of gas permeability, gas selectivity, and strength. The present invention is characterized by a hollow fiber microporous...
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WO/2023/026783A1 |
The present invention provides a gas separation system suitable for efficiently separating a mixed gas. The gas separation system 100 according to the present invention comprises a first separation membrane 11 that separates a mixed gas ...
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WO/2023/025758A1 |
A gas separation membrane (GSM) comprising: (i) a porous substrate; and (ii) a discriminating layer; wherein the discriminating layer has an average thickness of 0.05 to 4.9 µm, a sulphur content above 0.001% relative to the total numbe...
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WO/2023/025757A1 |
A gas separation membrane (GSM) comprising: (i) a porous substrate; and (ii) a discriminating layer; wherein the discriminating layer is obtainable by curing a composition comprising a curable copolymer, wherein the curable copolymer has...
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WO/2023/026973A1 |
The present invention addresses the problem of providing a spunbonded nonwoven fabric in which bleed-through and membrane separation do not occur during membrane-formation processing and that has dimensional stability and mechanical stre...
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WO/2023/024497A1 |
A polylactic acid (PLA) nano double-layer fiber membrane filter element and a preparation method therefor. The preparation method comprises: first preparing a PLA melt electrospinning nanofiber membrane (MME); then arranging a TPU nanopa...
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WO/2023/023280A1 |
Described are membranes for separating olefins from a mixture that includes olefins and non-olefins. The membrane includes polymers and metal ions associated with the polymers. The metal ions mediate the transport of the olefins through ...
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WO/2023/022847A1 |
A salt ion membrane may be paired with an absorption device to provide advantaged separation processes comprising: introducing a first aqueous salt stream and a mixed feed stream comprising at least one olefin and at least one paraffin t...
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WO/2023/022084A1 |
The present invention provides a fluid separation membrane which has a fibrous porous support layer coated on the surface with a separation function layer, a particle layer being at least partially interposed between the porous support l...
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WO/2023/017786A1 |
This laminated film has a polyolefin microporous membrane and a porous support layer. The polyolefin microporous membrane and the porous support layer are bonded together by bonding sections that are dispersed therebetween and include a ...
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WO/2023/017784A1 |
A laminated film (10a) has a polyolefin microporous membrane (20) and a porous support layer (30), wherein the polyolefin microporous membrane (20) and the porous support layer (30) are bonded to each other by scattered bonding parts (40...
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WO/2023/017785A1 |
A laminated film (10a) has a polyolefin microporous membrane (20) and a porous support layer (30), wherein the polyolefin microporous membrane (20) and the porous support layer (30) are bonded to each other by scattered bonding parts (40...
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WO/2023/017781A1 |
The purpose of the present invention is to provide a polyamide porous membrane that makes it possible to improve liquid permeability while suppressing deterioration of membrane separation performance. A polyamide porous membrane accordin...
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WO/2023/017783A1 |
This laminated film has a polyolefin microporous membrane and a porous support layer. The polyolefin microporous membrane and the porous support layer are bonded together by bonding sections that are dispersed therebetween and include a ...
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