ES537916A0 - PRODUCTION PROCEDURE OF A MEMBRANE FOR THE PURIFICATION OF SALT AND WASTE WATER. - Google Patents

PRODUCTION PROCEDURE OF A MEMBRANE FOR THE PURIFICATION OF SALT AND WASTE WATER.

Info

Publication number
ES537916A0
ES537916A0 ES537916A ES537916A ES537916A0 ES 537916 A0 ES537916 A0 ES 537916A0 ES 537916 A ES537916 A ES 537916A ES 537916 A ES537916 A ES 537916A ES 537916 A0 ES537916 A0 ES 537916A0
Authority
ES
Spain
Prior art keywords
purification
membrane
salt
waste water
production procedure
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.)
Granted
Application number
ES537916A
Other languages
Spanish (es)
Other versions
ES8604028A1 (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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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
Priority claimed from GB838331198A external-priority patent/GB8331198D0/en
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of ES8604028A1 publication Critical patent/ES8604028A1/en
Publication of ES537916A0 publication Critical patent/ES537916A0/en
Expired legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis
ES537916A 1983-11-23 1984-11-23 Asymmetric semi-permeable membrane Expired ES8604028A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838331198A GB8331198D0 (en) 1983-11-23 1983-11-23 Membranes
GB848428499A GB8428499D0 (en) 1983-11-23 1984-11-12 Membranes

Publications (2)

Publication Number Publication Date
ES8604028A1 ES8604028A1 (en) 1986-01-16
ES537916A0 true ES537916A0 (en) 1986-01-16

Family

ID=26287028

Family Applications (1)

Application Number Title Priority Date Filing Date
ES537916A Expired ES8604028A1 (en) 1983-11-23 1984-11-23 Asymmetric semi-permeable membrane

Country Status (5)

Country Link
AU (1) AU580271B2 (en)
CA (1) CA1262994A (en)
DK (1) DK555284A (en)
ES (1) ES8604028A1 (en)
GR (1) GR81009B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GR81008B (en) * 1983-11-23 1985-02-13 Ici Plc Membranes
CA1263572A (en) * 1984-06-15 1989-12-05 Kenichi Ikeda Sulfonated polysulfone composite semipermeable membranes and process for producing the same
GB8513103D0 (en) * 1985-05-23 1985-06-26 Ici Plc Solution of polymeric material
GB8513114D0 (en) * 1985-05-23 1985-06-26 Ici Plc Membranes
DE58909860D1 (en) * 1988-04-30 1999-11-11 Akzo Nobel Nv Process for the sulfonation of aromatic polyether sulfones

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0036947B1 (en) * 1980-03-28 1983-11-09 Pennwalt Corporation Method for preparing a membrane of a film-forming non-sulfonated sulfone polymer
GR81008B (en) * 1983-11-23 1985-02-13 Ici Plc Membranes
GB8512764D0 (en) * 1985-05-21 1985-06-26 Ici Plc Gas separation

Also Published As

Publication number Publication date
ES8604028A1 (en) 1986-01-16
AU3574484A (en) 1985-05-30
AU580271B2 (en) 1989-01-12
CA1262994A (en) 1989-11-14
DK555284D0 (en) 1984-11-22
GR81009B (en) 1985-02-13
DK555284A (en) 1985-05-24

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970519