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WO/2021/219887A1 |
A composite membrane suitable for separating a gas from a gas mixture comprising a selective layer coated on a support, wherein said selective layer comprises: a) a polymeric matrix comprising an amine polymer; b) a graphene oxide nanofi...
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WO/2021/218067A1 |
A purification device for drinking water, comprising: a primary filtering system (10), wherein after particles, colloids, heavy metals, organic matter, etc. in inflow water are effectively pretreated and removed by using a functional nan...
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WO/2021/220239A1 |
Embodiments of the present disclosure generally relate to methods for treating porous membranes. In an embodiment, a method of treating a porous membrane is provided. The method includes flushing the membrane with a first fluid comprisin...
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WO/2021/219692A1 |
The invention relates to methods for the synthesis of a thin-film composite membrane, comprising the following steps: a) providing an ultrafiltration porous support membrane, coated at the outer surface with a thin film, synthesized thro...
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WO/2021/215484A1 |
The present invention pertains to a method for recovering a rare metal salt, the method comprising: an acid treatment step for obtaining a rare metal-containing acidic aqueous solution by putting a material containing monovalent and poly...
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WO/2021/216265A1 |
Photocurable compositions that have a color change during curing and methods of preparation and use of such compositions. More particularly, the present invention relates to photocurable compositions that that have a color change during ...
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WO/2021/215539A1 |
[Problem] The present invention addresses the problem of providing an ion exchange membrane that can separate and refine exosomes present in a biological sample of blood serum or the like simply and at low cost. [Solution] The present in...
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WO/2021/207028A1 |
A porous support for nano-thickness membranes of less than 100 nanometers local surface roughness, suitable for the support of single-layer membranes of from about 1 to 500 nanometers in thickness, and for multiple layer membranes of up ...
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WO/2021/206126A1 |
Provided are: an ion selective permeable membrane enabling efficient recovery of ions, especially metal ions, in an aqueous solution; and an ion recovery device using the ion selective permeable membrane. The ion selective permeable memb...
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WO/2021/204337A1 |
Herein is described a method of producing a ceramic filter and a ceramic filter membrane. The method includes providing a porous ceramic structure comprising a porous ceramic structure front layer, providing a slurry comprising oxide and...
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WO/2021/205141A1 |
Novel membranes suitable for use in separation applications are described, as well as processes by which the membranes are made and uses of the membranes in a range of separation applications. The membranes are obtainable by an interfaci...
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WO/2021/202913A1 |
The present disclosure provides surface functionalized affinity membranes. The surface functionalized affinity membranes can provide increased binding capacity through improved coupling chemistries, ligand densities, spacer arm types, an...
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WO/2021/200690A1 |
A particulate removal apparatus for removing particulates in a liquid, the apparatus being characterized by comprising an integrated positively-charged particulate capturing part and negatively-charged particulate capturing part. Prefera...
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WO/2021/202555A1 |
Examples relate to systems and methods for producing a nanofiltration (NF) element having relatively stable performance at high temperature and pressure. In an embodiment, a method includes producing an initial NF element with a membrane...
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WO/2021/202255A1 |
A method for removing ethylene from the atmosphere surrounding an agricultural product that is sensitive to ethylene, which promotes climacteric ripening and senescence, is disclosed. The method uses a membrane for selective ethylene per...
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WO/2021/200427A1 |
A hollow fiber membrane comprising a cellulosic ester and cellulosic nanofiber.
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WO/2021/202520A1 |
A spiral wound membrane module has a brackish water RO or NF membrane combined with a permeate carrier having a narrow spacing between membrane contacting elements. The membrane may have water permeability (A-Value) of at least 8*10-5 cm...
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WO/2021/199659A1 |
The present invention provides a composite semipermeable membrane which has more excellent water permeability, while maintaining high desalting performance. This composite semipermeable membrane 1 is provided with a porous supporting l...
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WO/2021/201783A1 |
The present invention relates to a method for producing a composite membrane, the method comprising impregnating a surface of a porous membrane substrate with an aqueous suspension comprising a mixture of at least one polyamine and at le...
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WO/2021/202139A1 |
The invention provides a system for sanitizing fluids such as water and air. In particular, the invention provides a combination of solid chlorhexidine and a polymer matrix, for which effluents are essentially free of leached chlorhexidi...
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WO/2021/198210A1 |
The invention relates to a millisecond gasification method to fabricate graphene membranes, yielding a molecular sieving resolution of 0.2 Å for selective gas separation, and further relates to a method of preparation and uses thereof. ...
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WO/2021/195365A1 |
The present disclosure provides a filtration media for filtering one or more airborne particles. The filtration media may comprise a membrane comprising one or more polymeric layers to filter the airborne particles. The filtration media ...
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WO/2021/191043A1 |
The present invention relates to a solution comprising at least one polymer P, at least one water soluble polymer and a N-n-butyl-2-pyrrolidone, the process of making a membrane and the use of this membrane for water treatment.
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WO/2021/192816A1 |
The present invention relates to a composite semipermeable membrane which is provided with a base material, a porous supporting body that is arranged on the base material, and a separation functional layer that is arranged on the porous ...
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WO/2021/194417A1 |
There is provided a membrane comprising: a porous support layer having a first surface and a second surface; a palladium (Pd)-based selective layer on a first surface of the support layer; and a zeolite protective layer on a second surfa...
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WO/2021/195141A1 |
A rare earth coated membrane is beneficial to aid in the separation of contaminants, such as anions containing phosphorous, anions containing arsenic, PFAS, and mixtures thereof. Membranes with the rare earth coating or treatment can hav...
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WO/2021/192745A1 |
The present invention provides a separation film in which defects in a separation function layer are reduced and a reduction in the flux of a permeating liquid is suppressed. The separation film 10 is provided with, in the following orde...
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WO/2021/193501A1 |
[Problem] To provide a gas separation membrane element that separates and purifies a specific gas from a gas mixture. [Solution] A gas separation membrane element comprising: a central tube that collects a permeated gas; and a gas separa...
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WO/2021/194418A1 |
There is provided a semi-permeable membrane comprising: at least two dimensional (2D) heterostructure layers of; and a polyelectrolyte layer between each 2D heterostructure layer of the at least two 2D heterostructure layers. There is al...
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WO/2021/188615A1 |
Methods and systems for producing and using multi-layer composite co-polyimide membranes, one method for producing including preparing a microporous or mesoporous membrane support material for coating; applying a sealing layer to the mem...
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WO/2021/186974A1 |
This gas separation method involves supplying a gas mixture to a zeolite membrane complex (1) and separating a high-permeability gas from other gases by passing said high-permeability gas through the zeolite membrane complex (1). The gas...
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WO/2021/186959A1 |
In this gas separation method, a mixed gas is fed to a zeolite membrane complex (1), and a high-permeability gas is made to permeate through the zeolite membrane complex (1) and thereby separate from another gas. The mixed gas contains t...
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WO/2021/187438A1 |
This concentration method for a raw material liquid includes a raw material concentration step for obtaining a dilution induction solution by bringing a raw material liquid containing a solvent and a solute and an induction solution cont...
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WO/2021/176291A1 |
A counterflow energy recovery ventilator core comprising a seamless pleated support media bearing a water-vapor-permselective film that is co-pleated along with the pleated support media.
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WO/2021/177095A1 |
The purpose of the present invention is to provide an artificial lung having plasma leakage resistance by a simpler technique. The present invention relates to a method for manufacturing an artificial lung having a plurality of porous ho...
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WO/2021/177349A1 |
This separation membrane comprises: a porous support; a polyamide-based separation functional layer provided on the porous support; and a coating layer provided on the polyamide-based separation functional layer, wherein a fragment of CN...
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WO/2021/169253A1 |
A superhydrophobic polypropylene porous film, comprising a polypropylene porous film substrate, a titanium dioxide layer, and a surface modifier layer. The titanium dioxide layer is deposited on the surface of the polypropylene porous fi...
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WO/2021/173704A1 |
Described are filter materials possessing polycarboxyl ligands, such as iminodiacetic acid, which are highly effective for filtering metals or metal ions from fluids. The filter materials can be particularly useful to filter various flui...
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WO/2021/170244A1 |
There is provided a method of fabricating an atomically or molecularly thin amorphous carbon membrane (18). The method includes the steps of: providing amphiphilic or hydrophobic carbon-containing monomers (10) on a liquid surface; packi...
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WO/2021/172087A1 |
The purpose of the present invention is to provide: an ionic liquid composition for a carbon dioxide separation membrane, which can be used to separate carbon dioxide having a high to low partial pressure, especially a partial pressure o...
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WO/2021/173238A1 |
A process and system for separating paraxylene from a mixture of paraxylene, metaxylene, orthoxylene, and ethylbenzene in a simulated moving bed apparatus using a membrane to separate non-aromatics from a desorbent stream. The lower nona...
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WO/2021/164335A1 |
A central tube, a wound-type membrane assembly, a composite filter cartridge assembly, and a water purification system. The central tube (102) is a cylinder body structure; the cylinder body structure comprises an inner wall (102d), an o...
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WO/2021/167814A1 |
Provided herein are sterilizable porous filtration media and methods of making and using the same.
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WO/2021/116319A9 |
It is provided a water-saturated carbon molecular sieve membrane obtainable by a) providing a hydrophilic carbon molecular sieve membrane (CMSM) comprising pores of a pore size from 0.25 nm to 0.55 nm for molecular sieving, pores of a po...
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WO/2021/160194A1 |
This is a method of manufacturing a filter membrane, which in its multilayer structure comprises at least one support layer of polymeric textile with a basis weight of 15 to 200 g/m2 and associated, at least, one layer of electro spun no...
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WO/2021/163046A1 |
Apparatuses and methods for fabricating thin film composite hollow fiber membranes. In some implementations, an apparatus is used to remove excess first solution from a hollow fiber that has been immersed in a first solution. In some imp...
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WO/2021/163047A1 |
Apparatuses and methods for fabricating thin film composite hollow fiber membranes. In some implementations, an apparatus is used to remove excess first solution from a hollow fiber that has been immersed in a first solution. In some imp...
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WO/2021/163048A1 |
Apparatuses and methods for fabricating thin film composite hollow fiber membranes. In some implementations, an apparatus is used to remove excess first solution from a hollow fiber that has been immersed in a first solution. In some imp...
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WO/2021/156393A1 |
The present invention relates to a purification/filtration system using reverse electro-osmotic flow through a composite or hybrid membrane element. The invention also relates to a process for purifying an electrolyte solution using such...
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WO/2021/157433A1 |
The present invention provides a separation membrane suitable for separating water from mixed liquid including alcohol and water. The separation membrane according to the present invention comprises a metal organic structure. The separat...
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