FR2125586B1 - - Google Patents

Info

Publication number
FR2125586B1
FR2125586B1 FR7205500A FR7205500A FR2125586B1 FR 2125586 B1 FR2125586 B1 FR 2125586B1 FR 7205500 A FR7205500 A FR 7205500A FR 7205500 A FR7205500 A FR 7205500A FR 2125586 B1 FR2125586 B1 FR 2125586B1
Authority
FR
France
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
FR7205500A
Other languages
French (fr)
Other versions
FR2125586A1 (en
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.)
Babcock International Ltd
Original Assignee
Babcock and Wilcox Ltd
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 Babcock and Wilcox Ltd filed Critical Babcock and Wilcox Ltd
Publication of FR2125586A1 publication Critical patent/FR2125586A1/fr
Application granted granted Critical
Publication of FR2125586B1 publication Critical patent/FR2125586B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/401—Polymers based on the polymerisation of acrylic acid, e.g. polyacrylate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/00091—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching by evaporation
    • 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
    • B01D71/08—Polysaccharides
    • B01D71/12—Cellulose derivatives
    • B01D71/14—Esters of organic acids
    • B01D71/16—Cellulose acetate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/02—Hydrophilization
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/08—Specific temperatures applied
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/04—Characteristic thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/36—Hydrophilic membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FR7205500A 1971-02-18 1972-02-18 Expired FR2125586B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB489771A GB1396091A (en) 1971-02-18 1971-02-18 Semi-permeable membranes

Publications (2)

Publication Number Publication Date
FR2125586A1 FR2125586A1 (en) 1972-09-29
FR2125586B1 true FR2125586B1 (en) 1977-09-02

Family

ID=9785936

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7205500A Expired FR2125586B1 (en) 1971-02-18 1972-02-18

Country Status (4)

Country Link
CH (1) CH577837A5 (en)
DE (1) DE2207656A1 (en)
FR (1) FR2125586B1 (en)
GB (1) GB1396091A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1047997B (en) * 1975-09-11 1980-10-20 Fiat Spa REVERSE OSMOSIS MEMBRANE AND PROCESS FOR ITS MANUFACTURE
JPS5938805B2 (en) * 1979-04-06 1984-09-19 ダイセル化学工業株式会社 Manufacturing method of semipermeable membrane with selective permselectivity
GB2130069A (en) * 1982-08-06 1984-05-31 Foremost Mckesson Whey treatment process and product

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1060357B (en) * 1958-10-15 1959-07-02 Dr Alexander Goetz Method and apparatus for the production of microporous filter films
CH407949A (en) * 1960-03-16 1966-02-28 Membranfiltergesellschaft Gmbh Method and device for the production of membrane filters
US3344214A (en) * 1964-03-25 1967-09-26 Univ California Methods of preparing a semipermeable membrane
GB1238180A (en) * 1967-09-21 1971-07-07
US3666508A (en) * 1968-05-22 1972-05-30 Univ California High flux semipermeable cellulosic derivative membranes with dry handling capabilities and their method of preparation
NL170374C (en) * 1970-06-16 1982-11-01 Monsanto Co METHOD FOR SEPARATING WATER FROM WATER AND FORMALDEHYD MIXTURES
NL171534C (en) * 1970-06-16 1983-04-18 Monsanto Co METHOD FOR SEPARATING WATER FROM MIXTURES CONTAINING WATER AND FORMALDEHYD.
FR2105502A5 (en) * 1970-09-09 1972-04-28 Rhone Poulenc Sa

Also Published As

Publication number Publication date
GB1396091A (en) 1975-05-29
FR2125586A1 (en) 1972-09-29
CH577837A5 (en) 1976-07-30
DE2207656A1 (en) 1972-09-07

Similar Documents

Publication Publication Date Title
ATA136472A (en)
AU2658571A (en)
AU2485671A (en)
AU3005371A (en)
AU2952271A (en)
AU2941471A (en)
AU2894671A (en)
AU2742671A (en)
AU2684071A (en)
AU2564071A (en)
AU2684171A (en)
AU2740271A (en)
AU3038671A (en)
AU2456871A (en)
AU2486471A (en)
AU3025871A (en)
AU2503871A (en)
AU2455871A (en)
AU2577671A (en)
AU2588771A (en)
AU2654071A (en)
AU2415871A (en)
AU2669471A (en)
AU2963771A (en)
AR199640Q (en)

Legal Events

Date Code Title Description
ST Notification of lapse