DE3266187D1 - Reverse osmosis membrane quenching - Google Patents

Reverse osmosis membrane quenching

Info

Publication number
DE3266187D1
DE3266187D1 DE8282105635T DE3266187T DE3266187D1 DE 3266187 D1 DE3266187 D1 DE 3266187D1 DE 8282105635 T DE8282105635 T DE 8282105635T DE 3266187 T DE3266187 T DE 3266187T DE 3266187 D1 DE3266187 D1 DE 3266187D1
Authority
DE
Germany
Prior art keywords
reverse osmosis
osmosis membrane
quenching
membrane quenching
reverse
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
DE8282105635T
Other languages
English (en)
Inventor
Sherman Archie Sundet
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE3266187D1 publication Critical patent/DE3266187D1/de
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
    • B01D71/56—Polyamides, e.g. polyester-amides
    • 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
    • B01D67/0016—Coagulation
    • B01D67/00165—Composition of the coagulation baths
    • 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
    • B01D69/08—Hollow fibre membranes
    • 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
    • B01D69/08—Hollow fibre membranes
    • B01D69/085—Details relating to the spinneret
    • 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
    • B01D69/08—Hollow fibre membranes
    • B01D69/087—Details relating to the spinning process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range

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)
DE8282105635T 1981-06-25 1982-06-25 Reverse osmosis membrane quenching Expired DE3266187D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27843281A 1981-06-25 1981-06-25

Publications (1)

Publication Number Publication Date
DE3266187D1 true DE3266187D1 (en) 1985-10-17

Family

ID=23064951

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282105635T Expired DE3266187D1 (en) 1981-06-25 1982-06-25 Reverse osmosis membrane quenching

Country Status (4)

Country Link
EP (1) EP0069305B1 (de)
JP (1) JPS583604A (de)
CA (1) CA1209764A (de)
DE (1) DE3266187D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59186606A (ja) * 1983-04-05 1984-10-23 Mitsubishi Chem Ind Ltd 分離膜の製造法
US4601827A (en) * 1984-09-27 1986-07-22 E. I. Du Pont De Nemours And Company Multistage annealing of aramide reverse osmosis membranes
AU4787685A (en) * 1984-09-27 1986-04-10 E.I. Du Pont De Nemours And Company Aromatic polyamide membrane for reverse osmosis
WO2002102820A1 (en) 2001-06-20 2002-12-27 Nuevolution A/S Nucleoside derivatives for library preparation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3554379A (en) * 1969-06-10 1971-01-12 Du Pont Desalination apparatus and process of manufacture using improved, nitrogenous membranes
US3699038A (en) * 1970-04-22 1972-10-17 Celanese Corp Production of improved semipermeable polybenzimidazole membranes
JPS5720225B2 (de) * 1973-05-19 1982-04-27
US3876738A (en) * 1973-07-18 1975-04-08 Amf Inc Process for producing microporous films and products
US4080744A (en) * 1976-06-22 1978-03-28 E. I. Du Pont De Nemours And Company Gas separation membrane drying with water replacement liquid
DE2918027C2 (de) * 1979-05-04 1986-05-28 Akzo Gmbh, 5600 Wuppertal Ultrafiltrationsmembranen aus linearen Polyurethanen

Also Published As

Publication number Publication date
EP0069305B1 (de) 1985-09-11
JPS583604A (ja) 1983-01-10
JPH0420647B2 (de) 1992-04-06
CA1209764A (en) 1986-08-19
EP0069305A1 (de) 1983-01-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee