JPS5245591A - Reverse osmotic membrane - Google Patents

Reverse osmotic membrane

Info

Publication number
JPS5245591A
JPS5245591A JP50122257A JP12225775A JPS5245591A JP S5245591 A JPS5245591 A JP S5245591A JP 50122257 A JP50122257 A JP 50122257A JP 12225775 A JP12225775 A JP 12225775A JP S5245591 A JPS5245591 A JP S5245591A
Authority
JP
Japan
Prior art keywords
osmotic membrane
reverse osmotic
water
reverse
salt
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
JP50122257A
Other languages
Japanese (ja)
Other versions
JPS5624565B2 (en
Inventor
Morio Miyagi
Itsuro Tanaka
Yasuo Kato
Tetsuo Ukai
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.)
Toyobo Co Ltd
Original Assignee
Toyobo Co 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
Application filed by Toyobo Co Ltd filed Critical Toyobo Co Ltd
Priority to JP50122257A priority Critical patent/JPS5245591A/en
Publication of JPS5245591A publication Critical patent/JPS5245591A/en
Publication of JPS5624565B2 publication Critical patent/JPS5624565B2/ja
Granted 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

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

PURPOSE: To produce an improved reverse osmotic membrane comprising aromatic polyester amide or hydrazide copolymer suitable for salt-to-fresh water distillation by reverse osmosis, water reclamation process by higher treatment of waste water, etc.
COPYRIGHT: (C)1977,JPO&Japio
JP50122257A 1975-10-08 1975-10-08 Reverse osmotic membrane Granted JPS5245591A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50122257A JPS5245591A (en) 1975-10-08 1975-10-08 Reverse osmotic membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50122257A JPS5245591A (en) 1975-10-08 1975-10-08 Reverse osmotic membrane

Publications (2)

Publication Number Publication Date
JPS5245591A true JPS5245591A (en) 1977-04-11
JPS5624565B2 JPS5624565B2 (en) 1981-06-06

Family

ID=14831463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50122257A Granted JPS5245591A (en) 1975-10-08 1975-10-08 Reverse osmotic membrane

Country Status (1)

Country Link
JP (1) JPS5245591A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0251376A2 (en) * 1986-06-20 1988-01-07 ENIRICERCHE S.p.A. Asymmetrical membrane of polyesteramide and process for preparing it
EP0254334A2 (en) * 1986-06-20 1988-01-27 ENIRICERCHE S.p.A. Hollow fibre of polyester-amide and process for preparing it

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567632A (en) * 1968-09-04 1971-03-02 Du Pont Permselective,aromatic,nitrogen-containing polymeric membranes
US3878109A (en) * 1972-08-30 1975-04-15 Toray Industries Aromatic polyamides for reverse osmosis and methods of their permselective polymeric membranes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567632A (en) * 1968-09-04 1971-03-02 Du Pont Permselective,aromatic,nitrogen-containing polymeric membranes
US3878109A (en) * 1972-08-30 1975-04-15 Toray Industries Aromatic polyamides for reverse osmosis and methods of their permselective polymeric membranes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0251376A2 (en) * 1986-06-20 1988-01-07 ENIRICERCHE S.p.A. Asymmetrical membrane of polyesteramide and process for preparing it
EP0254334A2 (en) * 1986-06-20 1988-01-27 ENIRICERCHE S.p.A. Hollow fibre of polyester-amide and process for preparing it

Also Published As

Publication number Publication date
JPS5624565B2 (en) 1981-06-06

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