FR2171964B1 - - Google Patents

Info

Publication number
FR2171964B1
FR2171964B1 FR7205361A FR7205361A FR2171964B1 FR 2171964 B1 FR2171964 B1 FR 2171964B1 FR 7205361 A FR7205361 A FR 7205361A FR 7205361 A FR7205361 A FR 7205361A FR 2171964 B1 FR2171964 B1 FR 2171964B1
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
FR7205361A
Other languages
French (fr)
Other versions
FR2171964A1 (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.)
Rhone Poulenc SA
Original Assignee
Rhone Poulenc SA
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 Rhone Poulenc SA filed Critical Rhone Poulenc SA
Priority to FR7205361A priority Critical patent/FR2171964A1/fr
Publication of FR2171964A1 publication Critical patent/FR2171964A1/fr
Application granted granted Critical
Publication of FR2171964B1 publication Critical patent/FR2171964B1/fr
Granted 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
    • B01D69/14—Dynamic membranes
    • B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
    • B01D69/148—Organic/inorganic mixed matrix membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FR7205361A 1972-02-17 1972-02-17 Osmotic membrane - comprises cellulose deriv contg insol copper Granted FR2171964A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7205361A FR2171964A1 (en) 1972-02-17 1972-02-17 Osmotic membrane - comprises cellulose deriv contg insol copper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7205361A FR2171964A1 (en) 1972-02-17 1972-02-17 Osmotic membrane - comprises cellulose deriv contg insol copper

Publications (2)

Publication Number Publication Date
FR2171964A1 FR2171964A1 (en) 1973-09-28
FR2171964B1 true FR2171964B1 (en(2012)) 1974-08-30

Family

ID=9093655

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7205361A Granted FR2171964A1 (en) 1972-02-17 1972-02-17 Osmotic membrane - comprises cellulose deriv contg insol copper

Country Status (1)

Country Link
FR (1) FR2171964A1 (en(2012))

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3091554A (en) * 1960-07-01 1963-05-28 American Viscose Corp Oxidation resistant cellulosic pellicle and process for the manufacture thereof
US3373056A (en) * 1964-08-28 1968-03-12 Aerojet General Co Modifying cellulose ester osmotic membranes

Also Published As

Publication number Publication date
FR2171964A1 (en) 1973-09-28

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Legal Events

Date Code Title Description
ST Notification of lapse