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WO/2023/161356A1 |
The present invention relates to a process for the preparation of a membrane (M) containing a sulfonated polyarylenesulfone polymer (sP), the membrane (M) obtained by the inventive process, a fuel cell, an electrodialysis cell and an ele...
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WO/2023/160073A1 |
The present invention relates to the technical field of membrane separation, and discloses a hollow fiber separation membrane, a preparation method therefor and an application thereof. The hollow fiber separation membrane comprises a sup...
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WO/2023/162879A1 |
A porous substrate (31) used in supporting a separation membrane (12) is provided with: a plurality of coarse grains, each of which is a ceramic particle having a particle size of 30 μm or greater; and a plurality of fine grains, each o...
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WO/2023/161357A1 |
The present invention relates a sulfonated polyarylenesulfone polymer (sP) having an at least bimodal molecular weight distribution, a process for the preparation of the sulfonated polyarylenesulfone polymer (sP), a membrane (M) comprisi...
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WO/2023/162525A1 |
A zeolite membrane composite (1) comprises a porous support (11) and a zeolite membrane (12) provided on the support (11). The zeolite membrane (12) comprises a low-density layer (13) covering the support (11) and a dense layer (14) cove...
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WO/2023/162854A1 |
A zeolite membrane composite body (1) according to the present invention is provided with a porous supporting body (11), and a zeolite membrane (12) that is provided on the supporting body (11). With respect to the zeolite membrane (12),...
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WO/2023/162368A1 |
A porous membrane laminate according to one embodiment of the present disclosure comprises one or more porous membranes containing polytetrafluoroethylene as a main component, and satisfies formula (1). (1) P/γ > -31.6 × lnRa + 168 (...
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WO/2023/157844A1 |
[Problem] To provide a polymer composite thin film that, due to being configured in a very thin form using a simpler configuration involving combining (compositing) a nanosupport having exceptional mechanical strength with a nanofilm pro...
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WO/2023/158692A1 |
A mechanically robust LIG membrane can be fabricated by directly lasing a poly(ether) sulfone (PES) membrane support, the PES membranes being formed through a NIPS technique treated with Glycerol to control the pore collapse upon drying,...
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WO/2023/153053A1 |
In the present invention, a reactor (1) includes second flow paths (12) on the permeation side of a separation membrane (30). The second flow paths (12) include: inlets (d1) that open into a first space (P1) between a first sealing part ...
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WO/2023/151941A1 |
A bipolar membrane comprising: a) a first layer comprising a first polymer having cationic groups; b) a second layer comprising a second polymer having anionic groups; and5 c) a third layer comprising a co-continuous polymeric network of...
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WO/2023/153054A1 |
According to the present invention, a reactor (1) has a second channel (12) on the permeation side of a separation membrane (30). The second channel (12) comprises: an inlet (d1) which opens to a first space (P1) between a first sealing ...
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WO/2023/153057A1 |
Each of a plurality of first cells (111a) opens at opposite ends in the longitudinal direction, and is provided with a separation membrane (12) on its inner side surface. A second cell (111b) closes at opposite ends in the longitudinal d...
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WO/2023/152362A1 |
It is provided a supported carbon molecular sieve membrane having aluminum atomically distributed in it, wherein: the aluminum is present in an amount of equal to or lower than 15 wt.% of the carbon molecular sieve membrane; the membrane...
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WO/2023/153172A1 |
The separation membrane composite (1) comprises a porous support (11) and a separation membrane (12) that is disposed on the support (11). In the separation membrane composite (1), the membrane end region (122) refers to each region in t...
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WO/2023/152224A1 |
Disclosed herein are membranes, composition for forming membranes, methods for forming membranes, and sensors and devices comprising membranes. The membrane comprises the reaction product of a diisocyanate, a polymeric aliphatic diol, a ...
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WO/2023/149567A1 |
An aqueous solution comprising terephthalic acid or a salt thereof and a diol is filtered across a polyamide nanofiltration membrane, and terephthalic acid or a salt thereof can be selectively separated and recovered from the non-permeat...
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WO/2023/150086A1 |
The disclosure provides certain porous polymeric membranes, coated with cross-linked polymerized monomers, comprising monomers having a charge when immersed in an organic liquid. The membranes of the disclosure are useful in removing tra...
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WO/2023/149812A1 |
The present application discloses a porous filter membrane and an assembly of porous filter membranes for air filtration and inactivation of virus. The porous filter membrane comprises a metallic based coating with anti-viral characteris...
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WO/2023/142842A1 |
Provided in the present invention are a PES hollow fiber membrane for the purification of a biomacromolecule, and a preparation method therefor and the use thereof. The PES hollow fiber membrane comprises a main body, wherein there are a...
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WO/2023/141682A1 |
A filtration assembly and method of use thereof are provided for causing a flowable filter medium composition to form a stable filter membrane. In one form, there is provided a filtration assembly including: a vessel; a main conduit exte...
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WO/2023/139121A1 |
The present disclosure relates to process for preparing a semi-permeable membrane comprising a porous support membrane and a thin film composite (TFC) layer, comprising providing an aqueous phase comprising a polyfunctional amine monomer...
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WO/2023/138144A1 |
Disclosed in the present invention are a recyclable electret filtering membrane, a preparation method therefor and a cleaning and charge regeneration method therefor. The preparation method comprises: dissolving fluorine-containing polym...
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WO/2023/141095A1 |
Described are wound-pleated filters and methods of preparing and using these filters.
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WO/2023/141426A1 |
Membranes, methods of making the membranes, and methods of using the membranes are described herein. The membrane can include a support layer; and a selective polymer layer disposed on the support layer. The selective polymer layer can i...
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WO/2023/140330A1 |
Provided are: a porous membrane that has excellent durability, and is suitable as a support for an ion exchange resin; and a porous membrane and an anion exchange membrane that are capable of inhibiting a change in hydrogen gas permeabil...
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WO/2023/137688A1 |
The present invention discloses an aerosol nanofiber filter membrane, and a preparation method therefor and the use thereof. The preparation method comprises the following steps: dissolving polyvinylidene fluoride and polyacrylonitrile t...
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WO/2023/139869A1 |
A porous membrane according to the present disclosure is composed mainly of polytetrafluoroethylene, wherein the mean flow pore size E is 75 nm or less, and the pore size difference G-E between the maximum pore size G and the mean flow p...
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WO/2023/139431A1 |
The invention relates to a device for separating hydrogen from a hydrogen-containing gas mixture and an arrangement provided with the device, with a plurality of mixed-gas chambers ( 17 ) and hydrogen collection chambers ( 18 ) arranged ...
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WO/2023/140335A1 |
Provided is a composite separation structure having a base part, a first separation part disposed in contact with the base part, and a second separation part disposed not in contact with the base part and in contact with the first separa...
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WO/2023/135618A1 |
Apparatus (10) for filtering liquids, comprising at least a tank (11) for containing a liquid to be filtered and a filtration unit (12) provided with a plurality of filtering elements (15) which are integral with and fluidically connecte...
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WO/2023/135126A1 |
A gas separation membrane (GSM) comprising: a) a porous substrate; and b) a discriminating layer in contact with the porous substrate; wherein: (i) the discriminating layer has an ethylene oxide (EO) content of more than 50 wt% and compr...
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WO/2023/136214A1 |
Provided are a raw material liquid concentration method and a raw material liquid concentration system that can achieve a high flux even when using a raw material liquid that is rich in an organic solvent. An aspect of the present invent...
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WO/2023/134781A1 |
The present invention relates to a method for one-step regulation of a pore structure and surface properties of a silicon carbide (SiC) film. The method comprises: first, fully mixing SiC powder with a sintering aid, and then synergistic...
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WO/2023/131622A1 |
The invention relates to nanofilament-coated membranes with hierarchical porous structures comprising a microporous polymer support membrane having through-going pores with a nominal pore diameter in the range from 0.2 µm to 50 µm and ...
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WO/2023/129461A1 |
A CMS membrane module includes plurality of hollow fiber CMS membranes that are enclosed within an open cylindrical shell whose ends are embedded in tubesheets. The shell is concentrically disposed within an open cylindrical pressure ves...
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WO/2023/129989A2 |
Described herein are separation articles such as, for example, films, membranes and the like separating at least one component from a gaseous mixture comprising two or more components comprising difluoromethane (HFC-32, CH2F2) and pentaf...
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WO/2023/127819A1 |
The present invention pertains to a composite semipermeable membrane having: a microporous support layer; and a separation function layer provided on the microporous support layer. The separation function layer contains a crosslinked aro...
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WO/2023/126186A1 |
Use of a membrane which is permeable to the enantiomers present in a starting racemic or scalemic mixture, for isolating on one side of said membrane a first mixture optically enriched in a first enantiomer and on the other side of the m...
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WO/2023/126206A1 |
The invention relates to a device for coating an oxygenator (2), comprising: an oxygenator (2), which has a plurality of blood-permeable and water-permeable porous hollow fibres (6), in particular made of polysulfone or of polysulfone-po...
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WO/2023/123862A1 |
A preparation method for an antibacterial and anti-virus air purification material. The dispersity and stability of a carbon nanotube are increased by means of a surfactant and a buffer solution; a multi-layer structure is constructed on...
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WO/2023/119879A1 |
The present invention provides a novel separation function layer that is suited to separating an acidic gas from a mixed gas that includes the acidic gas. The separation function layer 1 of the present invention includes a first ion liqu...
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WO/2023/116287A1 |
The present disclosure relates to a preparation method for a composite nanofiltration membrane, and a composite nanofiltration membrane prepared thereby. The preparation method for a composite nanofiltration membrane comprises the follow...
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WO/2023/115735A1 |
The present application relates to the technical field of biofilms, and specifically discloses a surface-modified membrane and an application thereof. The surface-modified membrane comprises a basement membrane and a surfactant loaded on...
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WO/2023/118088A1 |
A separator for an electrolytic cell alkaline electrolysis (1) characterized in that the separator has a residual non-aqueous solvent amount of less than 5 wt%, relative to the total dry weight of the separator.
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WO/2023/118697A1 |
The present invention relates to a process for purifying a fluorocarbon from a mixture comprising said fluorocarbon and hydrogen; said process comprising a step of bringing said mixture into contact with a membrane M1 to form a flow F1 c...
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WO/2023/117808A1 |
The disclosure relates to a method for improving the selectivity of a membrane, specifically of a membrane comprising a blend of i) a polysulfone, polyethersulfone or polyarylethersulfone and ii) polyvinylpyrrolidone, characterized in th...
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WO/2023/118695A1 |
The present invention relates to a process for purifying a fluorocarbon from a mixture comprising said fluorocarbon and hydrogen; said process comprising a step of bringing said mixture into contact with a membrane M1 to form a flow F1 c...
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WO/2023/120589A1 |
The hollow fiber membrane module according to an aspect of the present disclosure comprises a hollow fiber membrane bundle having a plurality of hollow fiber membranes paralleled in one direction, a casing that houses the hollow fiber me...
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WO/2023/117812A1 |
The present disclosure relates to a membrane prepared from a blend comprising i ) a polysulfone, polyether sulf one or polyarylethersulfone and ii ) polyvinylpyrrolidone, characterized in that the membrane is coated with polydopamine and...
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