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JPS52120978A - Washing method of semipermeable membrane - Google Patents

Washing method of semipermeable membrane

Info

Publication number
JPS52120978A
JPS52120978A JP3785476A JP3785476A JPS52120978A JP S52120978 A JPS52120978 A JP S52120978A JP 3785476 A JP3785476 A JP 3785476A JP 3785476 A JP3785476 A JP 3785476A JP S52120978 A JPS52120978 A JP S52120978A
Authority
JP
Japan
Prior art keywords
semipermeable membrane
washing method
washing
hypochlorites
gelling
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.)
Pending
Application number
JP3785476A
Other languages
Japanese (ja)
Inventor
Kunihiko Tago
Koichi Matsumoto
Kunio Iizuka
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.)
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry 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 Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Priority to JP3785476A priority Critical patent/JPS52120978A/en
Publication of JPS52120978A publication Critical patent/JPS52120978A/en
Pending legal-status Critical Current

Links

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

PURPOSE: To improve the water permeability of semipermeable membrane, by washing with hypochlorites and sufficiently removing clogged gelling accumulated material, being adhered on the semipermeable membrane.
COPYRIGHT: (C)1977,JPO&Japio
JP3785476A 1976-04-06 1976-04-06 Washing method of semipermeable membrane Pending JPS52120978A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3785476A JPS52120978A (en) 1976-04-06 1976-04-06 Washing method of semipermeable membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3785476A JPS52120978A (en) 1976-04-06 1976-04-06 Washing method of semipermeable membrane

Publications (1)

Publication Number Publication Date
JPS52120978A true JPS52120978A (en) 1977-10-11

Family

ID=12509117

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3785476A Pending JPS52120978A (en) 1976-04-06 1976-04-06 Washing method of semipermeable membrane

Country Status (1)

Country Link
JP (1) JPS52120978A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55129107A (en) * 1979-03-28 1980-10-06 Nitto Electric Ind Co Ltd Washing method of selective permeable membrane
WO1983000443A1 (en) * 1981-08-03 1983-02-17 Kawaguchi, Takeyuki Composite semipermeable membrane, process for its production, and methode of its use
JPS58180203A (en) * 1982-04-14 1983-10-21 Asahi Chem Ind Co Ltd Method for restoring filtrate quality of ultrafilter membrane
JPH0319601A (en) * 1989-06-15 1991-01-28 Kobashi Kogyo Co Ltd Beam for subsoiler

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55129107A (en) * 1979-03-28 1980-10-06 Nitto Electric Ind Co Ltd Washing method of selective permeable membrane
JPS5634133B2 (en) * 1979-03-28 1981-08-08
WO1983000443A1 (en) * 1981-08-03 1983-02-17 Kawaguchi, Takeyuki Composite semipermeable membrane, process for its production, and methode of its use
JPS58180203A (en) * 1982-04-14 1983-10-21 Asahi Chem Ind Co Ltd Method for restoring filtrate quality of ultrafilter membrane
JPH0319601A (en) * 1989-06-15 1991-01-28 Kobashi Kogyo Co Ltd Beam for subsoiler

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