SG11202101883QA - Ion exchange membrane through uv initiated polymerization - Google Patents

Ion exchange membrane through uv initiated polymerization

Info

Publication number
SG11202101883QA
SG11202101883QA SG11202101883QA SG11202101883QA SG11202101883QA SG 11202101883Q A SG11202101883Q A SG 11202101883QA SG 11202101883Q A SG11202101883Q A SG 11202101883QA SG 11202101883Q A SG11202101883Q A SG 11202101883QA SG 11202101883Q A SG11202101883Q A SG 11202101883QA
Authority
SG
Singapore
Prior art keywords
ion exchange
exchange membrane
initiated polymerization
initiated
polymerization
Prior art date
Application number
SG11202101883QA
Other languages
English (en)
Inventor
George Gu
Savvas Hadjikyriacou
Simon P Dukes
Michael J Shaw
Original Assignee
Evoqua Water Tech Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Evoqua Water Tech Llc filed Critical Evoqua Water Tech Llc
Publication of SG11202101883QA publication Critical patent/SG11202101883QA/en

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
    • C08J5/2218—Synthetic macromolecular compounds
    • C08J5/2231—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/422—Electrodialysis
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    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
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    • B01D67/0093—Chemical modification
    • B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
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    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
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    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
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    • C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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    • C08J5/2243—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds obtained by introduction of active groups capable of ion-exchange into compounds of the type C08J5/2231
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    • C08J2333/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2433/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C08J2433/14—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
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    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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  • Chemical & Material Sciences (AREA)
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  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Water Supply & Treatment (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Urology & Nephrology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Transplantation (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
SG11202101883QA 2018-09-25 2019-09-25 Ion exchange membrane through uv initiated polymerization SG11202101883QA (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862736176P 2018-09-25 2018-09-25
US201862737373P 2018-09-27 2018-09-27
US201962861608P 2019-06-14 2019-06-14
PCT/US2019/052880 WO2020068925A1 (en) 2018-09-25 2019-09-25 Ion exchange membrane through uv initiated polymerization

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SG11202101883QA true SG11202101883QA (en) 2021-04-29

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SG11202101883QA SG11202101883QA (en) 2018-09-25 2019-09-25 Ion exchange membrane through uv initiated polymerization
SG11202101879WA SG11202101879WA (en) 2018-09-25 2019-09-25 Monovalent selective cation exchange membrane
SG11202102083PA SG11202102083PA (en) 2018-09-25 2019-09-25 Monovalent selective cation exchange membrane

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SG11202101879WA SG11202101879WA (en) 2018-09-25 2019-09-25 Monovalent selective cation exchange membrane
SG11202102083PA SG11202102083PA (en) 2018-09-25 2019-09-25 Monovalent selective cation exchange membrane

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US (3) US20210340343A1 (zh)
EP (3) EP3856395A4 (zh)
JP (4) JP7404349B2 (zh)
KR (3) KR20210063410A (zh)
CN (3) CN112739446B (zh)
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