JPS531178A - Separation spcecificity recovering method of membrane - Google Patents

Separation spcecificity recovering method of membrane

Info

Publication number
JPS531178A
JPS531178A JP7521176A JP7521176A JPS531178A JP S531178 A JPS531178 A JP S531178A JP 7521176 A JP7521176 A JP 7521176A JP 7521176 A JP7521176 A JP 7521176A JP S531178 A JPS531178 A JP S531178A
Authority
JP
Japan
Prior art keywords
membrane
spcecificity
separation
recovering method
contaminated
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
JP7521176A
Other languages
Japanese (ja)
Other versions
JPS602081B2 (en
Inventor
Kiyoshi Ishii
Zenjiro Honda
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.)
Daicel Corp
Original Assignee
Daicel Corp
Daicel 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
Application filed by Daicel Corp, Daicel Chemical Industries Ltd filed Critical Daicel Corp
Priority to JP7521176A priority Critical patent/JPS602081B2/en
Publication of JPS531178A publication Critical patent/JPS531178A/en
Publication of JPS602081B2 publication Critical patent/JPS602081B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

PURPOSE: To remove contaminated layer formed on the membrane face and to recover the capacity of membrane, by washing semipermeable membrane, contaminated its surface with the liquid to be treated, with alkali water solution, containing oxidizing substance.
COPYRIGHT: (C)1978,JPO&Japio
JP7521176A 1976-06-25 1976-06-25 Method for restoring membrane separation properties Expired JPS602081B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7521176A JPS602081B2 (en) 1976-06-25 1976-06-25 Method for restoring membrane separation properties

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7521176A JPS602081B2 (en) 1976-06-25 1976-06-25 Method for restoring membrane separation properties

Publications (2)

Publication Number Publication Date
JPS531178A true JPS531178A (en) 1978-01-07
JPS602081B2 JPS602081B2 (en) 1985-01-19

Family

ID=13569627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7521176A Expired JPS602081B2 (en) 1976-06-25 1976-06-25 Method for restoring membrane separation properties

Country Status (1)

Country Link
JP (1) JPS602081B2 (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
EP0024875A3 (en) * 1979-08-20 1981-08-19 E.I. Du Pont De Nemours And Company Process for controlling the biological fouling of reverse osmosis permeators
JPS5912715A (en) * 1982-07-15 1984-01-23 Ebara Infilco Co Ltd Method for washing filter medium in high speed filter basin
CN110917887A (en) * 2019-12-20 2020-03-27 江西国药有限责任公司 Ceramic membrane cleaning and sterilizing process method for intelligent cleaning production of fermented cordyceps sinensis (Cs-4)

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
EP0024875A3 (en) * 1979-08-20 1981-08-19 E.I. Du Pont De Nemours And Company Process for controlling the biological fouling of reverse osmosis permeators
JPS5912715A (en) * 1982-07-15 1984-01-23 Ebara Infilco Co Ltd Method for washing filter medium in high speed filter basin
CN110917887A (en) * 2019-12-20 2020-03-27 江西国药有限责任公司 Ceramic membrane cleaning and sterilizing process method for intelligent cleaning production of fermented cordyceps sinensis (Cs-4)

Also Published As

Publication number Publication date
JPS602081B2 (en) 1985-01-19

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