CA1030711A - Reverse osmosis membrane - Google Patents

Reverse osmosis membrane

Info

Publication number
CA1030711A
CA1030711A CA181,325A CA181325A CA1030711A CA 1030711 A CA1030711 A CA 1030711A CA 181325 A CA181325 A CA 181325A CA 1030711 A CA1030711 A CA 1030711A
Authority
CA
Canada
Prior art keywords
reverse osmosis
osmosis membrane
membrane
reverse
osmosis
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA181,325A
Other languages
French (fr)
Inventor
John E. Cadotte
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
North Star Research and Development Institute
Original Assignee
North Star Research and Development Institute
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 North Star Research and Development Institute filed Critical North Star Research and Development Institute
Application granted granted Critical
Publication of CA1030711A publication Critical patent/CA1030711A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/60—Polyamines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/60—Polyamines
    • B01D71/601—Polyethylenimine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis
CA181,325A 1972-09-19 1973-09-18 Reverse osmosis membrane Expired CA1030711A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28759272A 1972-09-19 1972-09-19

Publications (1)

Publication Number Publication Date
CA1030711A true CA1030711A (en) 1978-05-09

Family

ID=23103566

Family Applications (1)

Application Number Title Priority Date Filing Date
CA181,325A Expired CA1030711A (en) 1972-09-19 1973-09-18 Reverse osmosis membrane

Country Status (8)

Country Link
JP (1) JPS5824447B2 (en)
AU (1) AU475380B2 (en)
CA (1) CA1030711A (en)
DE (1) DE2346659C2 (en)
DK (1) DK145526C (en)
FR (1) FR2200030B1 (en)
GB (1) GB1441014A (en)
IL (1) IL43201A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2293960A2 (en) * 1974-12-10 1976-07-09 Rhone Poulenc Ind Semi-permeable composite membranes for eg reverse osmosis - comprising polyelectrolyte skin contg sulphonic acid and quat ammonium gps and anisotropic membrane
US4226673A (en) * 1976-03-15 1980-10-07 Champion International Corporation Color removal from paper and pulp mill aqueous effluents
JPS52127481A (en) * 1976-04-19 1977-10-26 Uop Inc Complex semipermeable membrane and the manufacture
US4125462A (en) * 1977-08-30 1978-11-14 Rohm And Haas Company Coated membranes
JPS5443882A (en) * 1977-09-14 1979-04-06 Nippon Zeon Co Ltd Preparation of semipermeable membrane
US4259183A (en) * 1978-11-07 1981-03-31 Midwest Research Institute Reverse osmosis membrane
US4337154A (en) * 1979-04-04 1982-06-29 Nippon Shokubai Kagaku Kogyo Co., Ltd. Crosslinked composite semipermeable membrane
JPS55134607A (en) * 1979-04-06 1980-10-20 Nippon Shokubai Kagaku Kogyo Co Ltd Semipermeable composite membrane with excellent performance and preparation thereof
IL70415A (en) * 1982-12-27 1987-07-31 Aligena Ag Semipermeable encapsulated membranes,their manufacture and their use
JPS6028803A (en) * 1983-07-26 1985-02-14 Agency Of Ind Science & Technol Selective permeable membrane and its manufacture
JPS60105854U (en) * 1983-12-23 1985-07-19 本田技研工業株式会社 vaporizer float valve
US4761234A (en) * 1985-08-05 1988-08-02 Toray Industries, Inc. Interfacially synthesized reverse osmosis membrane
JPH07178327A (en) * 1993-11-12 1995-07-18 Nitto Denko Corp Composite semipermeable membrane and its production
WO2011097403A1 (en) 2010-02-04 2011-08-11 Dxv Water Technologies, Llc Water treatment systems and methods
JP5823761B2 (en) * 2011-07-26 2015-11-25 ダイセン・メンブレン・システムズ株式会社 NF membrane and manufacturing method thereof
US10513446B2 (en) 2014-10-10 2019-12-24 EcoDesal, LLC Depth exposed membrane for water extraction
CN112973460B (en) * 2021-03-15 2022-07-08 中国石油大学(北京) Crosslinked covalent organic framework desalting membrane and preparation method and application thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3556305A (en) * 1968-03-28 1971-01-19 Amicon Corp Composite membrane and process for making same
FR2088598A5 (en) * 1970-04-17 1972-01-07 Anvar

Also Published As

Publication number Publication date
AU475380B2 (en) 1976-08-19
GB1441014A (en) 1976-06-30
JPS49133282A (en) 1974-12-20
JPS5824447B2 (en) 1983-05-21
DK145526B (en) 1982-12-06
IL43201A (en) 1976-11-30
IL43201A0 (en) 1973-11-28
FR2200030A1 (en) 1974-04-19
FR2200030B1 (en) 1976-05-14
DE2346659C2 (en) 1981-09-24
DK145526C (en) 1983-05-02
DE2346659A1 (en) 1974-03-28
AU6034773A (en) 1975-03-20

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