NL7305085A - - Google Patents

Info

Publication number
NL7305085A
NL7305085A NL7305085A NL7305085A NL7305085A NL 7305085 A NL7305085 A NL 7305085A NL 7305085 A NL7305085 A NL 7305085A NL 7305085 A NL7305085 A NL 7305085A NL 7305085 A NL7305085 A NL 7305085A
Authority
NL
Netherlands
Application number
NL7305085A
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 filed Critical
Publication of NL7305085A publication Critical patent/NL7305085A/xx

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
    • B01D71/08—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
    • 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
    • B01D67/0011—Casting solutions therefor
    • 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
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • 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
NL7305085A 1972-04-12 1973-04-11 NL7305085A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1696872A GB1388034A (en) 1972-04-12 1972-04-12 Membranes for reverse osmosis

Publications (1)

Publication Number Publication Date
NL7305085A true NL7305085A (xx) 1973-10-16

Family

ID=10086878

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7305085A NL7305085A (xx) 1972-04-12 1973-04-11

Country Status (7)

Country Link
US (1) US3807571A (xx)
JP (1) JPS5620050B2 (xx)
DE (1) DE2318244C2 (xx)
FR (1) FR2180007B1 (xx)
GB (1) GB1388034A (xx)
IL (1) IL41983A (xx)
NL (1) NL7305085A (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5818125B2 (ja) * 1974-09-20 1983-04-11 東レ株式会社 ギヤクシントウマク ノ セイホウ
JPS5222172A (en) * 1975-08-12 1977-02-19 Sumitomo Chem Co Ltd Filter medium for capturing selectively metal ions
US4077407A (en) * 1975-11-24 1978-03-07 Alza Corporation Osmotic devices having composite walls
DE2820265C2 (de) * 1978-05-10 1982-02-25 Gkss - Forschungszentrum Geesthacht Gmbh, 2000 Hamburg Semipermeable asymmetrische Membranen für die Meerwasserentsalzung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497072A (en) * 1966-05-02 1970-02-24 Aerojet General Co Reverse osmosis membrane and method of manufacture

Also Published As

Publication number Publication date
DE2318244C2 (de) 1983-12-15
DE2318244A1 (de) 1973-10-25
FR2180007B1 (xx) 1977-02-04
GB1388034A (en) 1975-03-19
JPS5620050B2 (xx) 1981-05-11
US3807571A (en) 1974-04-30
JPS4917377A (xx) 1974-02-15
IL41983A0 (en) 1973-06-29
FR2180007A1 (xx) 1973-11-23
IL41983A (en) 1976-04-30

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Legal Events

Date Code Title Description
BC A request for examination has been filed
BN A decision not to publish the application has become irrevocable