ZA807101B - Process for changing the conditioning of diffusion membranes,the membranes thus obtained,and their use - Google Patents

Process for changing the conditioning of diffusion membranes,the membranes thus obtained,and their use

Info

Publication number
ZA807101B
ZA807101B ZA00807101A ZA807101A ZA807101B ZA 807101 B ZA807101 B ZA 807101B ZA 00807101 A ZA00807101 A ZA 00807101A ZA 807101 A ZA807101 A ZA 807101A ZA 807101 B ZA807101 B ZA 807101B
Authority
ZA
South Africa
Prior art keywords
membranes
conditioning
changing
diffusion
diffusion membranes
Prior art date
Application number
ZA00807101A
Inventor
Klaus Wolfgang
Wolfgang Klaus
H Strathmann
P Zschocke
H Schmidt
Original Assignee
Merck Patent Gmbh
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 Merck Patent Gmbh filed Critical Merck Patent Gmbh
Publication of ZA807101B publication Critical patent/ZA807101B/en

Links

Classifications

    • 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
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
ZA00807101A 1979-11-15 1980-11-14 Process for changing the conditioning of diffusion membranes,the membranes thus obtained,and their use ZA807101B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792946067 DE2946067A1 (en) 1979-11-15 1979-11-15 METHOD FOR TUNING DIFFERENTIAL MEMBRANES, THE RETALAGED MEMBRANES AND THEIR USE

Publications (1)

Publication Number Publication Date
ZA807101B true ZA807101B (en) 1981-11-25

Family

ID=6086016

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00807101A ZA807101B (en) 1979-11-15 1980-11-14 Process for changing the conditioning of diffusion membranes,the membranes thus obtained,and their use

Country Status (4)

Country Link
EP (1) EP0029125A1 (en)
JP (1) JPS5681106A (en)
DE (1) DE2946067A1 (en)
ZA (1) ZA807101B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58183903A (en) * 1982-04-21 1983-10-27 Asahi Chem Ind Co Ltd Method for controlling permeation speed of water and organic liquid through regenerated cellulose membrane
US4744807A (en) * 1986-07-21 1988-05-17 Canadian Patents And Development Ltd. Method of manufacturing a cellulose acetate membrane and the membrane so produced
GB2224668A (en) * 1988-11-09 1990-05-16 Domnick Hunter Filters Ltd Filter
US5288818A (en) * 1991-08-20 1994-02-22 Exxon Chemical Patents Inc. Method for separating a water soluble noble metal catalyst from a noble metal catalyzed hydroformylation reaction
US5215667A (en) * 1991-08-20 1993-06-01 Exxon Chemical Patents Inc. Method for separating water soluble noble metal catalyst from a noble metal catalyzed hydroformylation reaction
US5277811A (en) * 1992-04-14 1994-01-11 Millipore Corporation Process for forming porous polymeric product from a nonporous polymeric composition and product

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2621519C3 (en) * 1976-05-14 1982-07-15 Sartorius GmbH, 3400 Göttingen Process for the production of asymmetric permselective cellulose triacetate membranes with skin layer
US4120098A (en) * 1976-06-22 1978-10-17 E. I. Du Pont De Nemours And Company Solvent exchange drying of membranes for gas separation
US4080744A (en) * 1976-06-22 1978-03-28 E. I. Du Pont De Nemours And Company Gas separation membrane drying with water replacement liquid
US4080743A (en) * 1976-06-22 1978-03-28 E. I. Du Pont De Nemours And Company Membrane drying process

Also Published As

Publication number Publication date
JPS5681106A (en) 1981-07-02
EP0029125A1 (en) 1981-05-27
DE2946067A1 (en) 1981-05-21

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