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WO/2020/232143A1 |
Membranes for electrochemical technologies that operate at non-extreme acidic or basic conditions are described herein. The membrane can be a bipolar membrane having an anion-exchange layer, a cation-exchange layer, and a polymer layer c...
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WO/2020/231192A1 |
The present invention relates to a water treatment reactor, and a water purification system and a wastewater treatment system which comprise the water treatment reactor.
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WO/2020/231282A1 |
Methods for preparation of a carbon membrane include providing a solution comprising a diacetyl biphenyl monomer and an alkylsulfonic acid. The solution is treated under such conditions that an aldol condensation reaction occurs so as to...
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WO/2020/225933A1 |
Provided is a method for producing a zeolite membrane continuously and efficiently. The method comprises a first step of adhering fine zeolite crystals onto the surface of a support, a second step of preparing a synthesis gel for the pur...
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WO/2020/226097A1 |
Provided is a zeolite membrane composite which is used for separating a mixture, has a high separation coefficient while maintaining a practical permeation flow rate, and is easily produced. This zeolite membrane composite comprises: a...
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WO/2020/225709A1 |
An apparatus is provided for the production of biomass or a bioproduct, the apparatus comprising: at least one elongate bioreactor, the bioreactor comprised of at least one outer membrane layer that defines a substantially tubular compar...
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WO/2020/225932A1 |
Provided is a method for producing a zeolite membrane continuously and efficiently. The method comprises a first step of adhering fine zeolite crystals onto the surface of a support, a second step of preparing a synthesis gel for the pur...
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WO/2020/225931A1 |
Provided is a method for effectively treating a fluid to be treated containing a compound causing a zeolite membrane to decompose, in such a manner that the zeolite membrane does not decompose. The invention is characterized in that: a f...
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WO/2020/224275A1 |
A method for preparing a T-type zeolite molecular sieve membrane, that is, a gel method for preparing the T-type zeolite molecular sieve membrane. After a carrier is coated with crystals, the carrier is wetted and air-dried, and a certai...
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WO/2020/222138A1 |
Embodiments include methods of fabricating thin film composite carbon molecular sieve membranes by exposing a polymer layer to a vapor-phase metal-organic precursor under vapor phase infiltration conditions such that the vapor-phase meta...
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WO/2020/218302A1 |
The present invention provides a semipermeable composite membrane in which environmental load is reduced, and a method for manufacturing the semipermeable composite membrane. The semipermeable composite membrane 100 has, on a porous su...
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WO/2020/216957A1 |
The present invention relates to an ultrathin membrane having a thickness of less than about 100 nm and exhibiting different textured surfaces, wherein one side to the membrane exhibits an uneven textured surface when compared to the oth...
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WO/2020/215637A1 |
A breathable explosion-proof membrane (4) for a power battery explosion-proof valve, and a manufacturing method therefor. The explosion-proof membrane (4) is a porous waterproof breathable polytetrafluoroethylene (PTFE) membrane, having ...
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WO/2020/218776A1 |
The present invention provides a method for preparing hydronium ion dissolved water, comprising the steps of: (a) purifying distilled water to prepare deionized water; (b) electrolyzing water to produce a brown gas stream; (c) mixing air...
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WO/2020/218653A1 |
The present invention relates to a method for producing nitrogen-enriched air by using exhaust flue gas, the method comprising: (I) a step of supplying exhaust flue gas to an air compressor; (II) a pretreatment step of separating and dry...
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WO/2020/217029A1 |
The invention relates to a method for manufacturing a membrane (1), which comprises the following steps: a) a mixture is prepared that contains at least: - an aqueous solution of cationic polymer with a pH between 5 and 8, the cationic p...
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WO/2020/211103A1 |
Provided is a membrane reactor, wherein same comprises a transition metal nitride, and is obtained by shaping the transition metal nitride. The membrane reactor is used to catalyze the synthesis of ammonia from hydrogen and nitrogen at a...
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WO/2020/210460A1 |
Disclosed are methods of manufacturing a zeolite membrane, comprising: providing at least one porous substrate; and coating the at least one porous substrate with a membrane. In some embodiments, the method further comprises hydrothermal...
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WO/2020/209606A1 |
Provided are a spiral-wound filter module and a method for manufacturing same. The present invention comprises: a perforated tube which has at least one inflow hole; a cylindrical filter body which has a sheet laminate, formed by laminat...
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WO/2020/201914A1 |
Methods herein disclosed include methods of producing a nanoporous membrane by coating a planar substrate (204) with a solution (solution tank 201) containing a reactive metal adatom. The coated planar substrate can then be perforated by...
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WO/2020/203527A1 |
A scale inhibitor for reverse osmosis membranes, which suppresses precipitation of calcium sulfate scale during a reverse osmosis membrane processing process, and which contains, as a main component, a copolymerized polymer (A) of an acr...
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WO/2020/202044A1 |
Composite membranes having a film of poly(ethenol) (polyvinyl alcohol; PVA) adhered to a microporous sheet of polyolefin are disclosed. The microporous sheet is made hydrophilic by grafting of the polyolefin, e.g. poly(ethylene), with a ...
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WO/2020/203716A1 |
The present invention addresses the problem of providing a porous membrane in which the phenomenon of membranes fusing to each other (membrane sticking) during manufacture of the porous membrane is reduced. The problem can be solved by a...
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WO/2020/203718A1 |
A method for purifying a protein-containing solution that contains a target protein, said method comprising: (α1) a step for contacting the protein-containing solution with a porous medium containing a polyketone; and (α2) a step for p...
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WO/2020/204177A1 |
This filtering material has a layered structure in which a first polytetrafluoroethylene (PTFE) porous film, a first air-permeable support material, a second PTFE porous film, and a second air-permeable support material are layered in th...
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WO/2020/201532A1 |
The invention relates to a process for producing semi-aromatic polyethers based on an aliphatic diol, to semi-aromatic polyethers based on an aliphatic diol obtained by said process, and to the use of said semi-aromatic polyethers based ...
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WO/2020/201714A1 |
A membrane comprising polymer particles fused together and pores between the fused particles, wherein: (a) the polymer particles have an average diameter of 0.1 to 5,000nm; (b) the membrane having a mean flow pore size of 5nm to 5,000nm;...
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WO/2020/204976A1 |
Disclosed herein are compositions for permeable outer diffusion control membranes for creatinine and creatine sensors and methods of making such membranes.
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WO/2020/206317A1 |
Sorbent materials that are treated with ions, salts, oxides, hydroxides, or carbonates of calcium, magnesium, strontium, or barium are useful in removing perfluoroalkyl and polyfluoroalkyl substances (PFAS), perfluorooctanoic acid (PFOA)...
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WO/2020/200289A1 |
A preparation method for an organic-inorganic piperazine polyamide composite ceramic nanofiltration membrane. A crosslinking agent is loaded on an alkali-activated ceramic membrane, and then, with piperazine as an aqueous phase monomer, ...
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WO/2020/200688A1 |
The invention relates to a film Film comprising a random graft copolymer having a polypropylene (PP) backbone and from 3 to 8 polyester segments covalently bonded to said backbone, wherein the number average molecular weight (Mn) of the ...
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WO/2020/197886A1 |
A method of preparing a composite nanofiber layer, which exhibits high internal bond strength by spinning a polymer (from solution) with a melting point of at least 25 deg C higher than that of the other polymer solution with low melting...
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WO/2020/195911A1 |
The present invention provides a separation membrane that: is suited to separating an acidic gas from a mixed gas that includes the acidic gas; and has high acidic gas permeability. This separation membrane 10 comprises a separation func...
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WO/2020/194193A1 |
A porous membrane, The porous membrane includes a triblock copolymer of the formula ABC, the porous membrane comprising a plurality of pores; wherein the A block has a Tg of 90 degrees Celsius or greater and is present in an amount rangi...
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WO/2020/198627A1 |
Poly(aryl alkylene) polymers or poly(aryl-crown ether-alkylene) polymers with pendant cationic groups are provided which have an alkaline-stable cation, such as imidazolium, introduced into a rigid aromatic polymer backbone free of ether...
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WO/2020/196110A1 |
A separation method that includes a separation step in which a zeolite membrane composite is used to separate a branched diolefin from a branched hydrocarbon mixture that includes the branched diolefin and at least one type of branched h...
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WO/2020/192575A1 |
A porous membrane, and a preparation method therefor and a use method thereof. The porous membrane (100) comprises a plurality of straight channels (110); the plurality of straight channels (110) are configured to have the same extending...
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WO/2020/195105A1 |
According to the present invention, a zeolite membrane composite body (1) is provided with a porous support (11) and a zeolite membrane (12) that is formed on the support (11). Water molecules are adsorbed on the zeolite membrane (12). T...
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WO/2020/196176A1 |
Provided is a zeolite membrane composite comprising a porous support and a zeolite membrane formed on at least one surface of the porous support. The zeolite membrane of the zeolite membrane composite comprises X-MOR-type zeolite, where ...
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WO/2020/189898A1 |
The present invention relates to a pressure retarded osmosis separation membrane having high water permeability and high power density, and a method for manufacturing same. More specifically, in order to commercialize a pressure retarded...
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WO/2020/189593A1 |
The present invention relates to a polymer including at least one structure selected from the group consisting of a structure represented by general formula (3) and a structure represented by general formula (4). In general formulae (3...
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WO/2020/185825A1 |
Viral filters include a filter member featuring a first surface and a second surface and having a thickness extending between the first and second surfaces in a first direction, and a plurality of channels formed in the filter member, ea...
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WO/2020/183955A1 |
A concentrating membrane used to concentrate biological particles, the concentrating membrane including a hydrophilic composite porous membrane that comprises a porous base material and a hydrophilic resin coating that coats at least one...
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WO/2020/184863A2 |
Provided are: a highly flexible ceramic nanofiber structure; a ceramic nanofiber separation membrane having excellent photocatalytic efficiency; and a method for manufacturing same. A ceramic nanofiber structure according to an embodimen...
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WO/2020/183786A1 |
A sulfate ion removal system 100 of the present invention is provided with: a flow path 50; and a nano-filtration membrane 62 that is provided in the flow path 50, has a cationic coating 40 forming a film surface, and removes sulfate ion...
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WO/2020/179432A1 |
This zeolite membrane composite body (1) comprises a porous support (11) and a zeolite membrane (12) formed on the support (11). The zeolite membrane (12) comprises a low-density layer (13) covering the support (11), and a dense layer (1...
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WO/2020/176944A1 |
The present disclosure relates to ruthenium promoter catalyst compositions. The ruthenium promoter catalyst compositions comprise ruthenium metal species, an oxide support material, and a promoter species independently selected from the ...
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WO/2020/177274A1 |
A composite membrane, a preparation method therefor and use thereof. Specifically, the composite membrane is a composite membrane using graphene oxide as an intermediate layer or using graphene quantum dots as the intermediate layer. A p...
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WO/2020/180353A1 |
A polymer membrane, methods of gas separation utilizing the polymer membrane, and methods of producing the polymer membrane are disclosed herein. The polymer membrane includes a crosslinked polyethylene glycol network polymer according t...
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WO/2020/179789A1 |
Provided is a water treatment method that, in water treatment using a polyamide-based reverse osmosis membrane, can stably perform the treatment by performing sterilization while inhibiting a decrease in the amount of passed water, when ...
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