JPS5370984A - Improving method for current efficiency of cation exchange membrane - Google Patents

Improving method for current efficiency of cation exchange membrane

Info

Publication number
JPS5370984A
JPS5370984A JP14616076A JP14616076A JPS5370984A JP S5370984 A JPS5370984 A JP S5370984A JP 14616076 A JP14616076 A JP 14616076A JP 14616076 A JP14616076 A JP 14616076A JP S5370984 A JPS5370984 A JP S5370984A
Authority
JP
Japan
Prior art keywords
cation exchange
exchange membrane
current efficiency
improving method
solvent
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
JP14616076A
Other languages
Japanese (ja)
Other versions
JPS5930792B2 (en
Inventor
Shunichi Asaumi
Toru Kiyota
Akihiko Shimizu
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.)
Tosoh Corp
Original Assignee
Toyo Soda Manufacturing 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 Toyo Soda Manufacturing Co Ltd filed Critical Toyo Soda Manufacturing Co Ltd
Priority to JP51146160A priority Critical patent/JPS5930792B2/en
Priority to US05/790,818 priority patent/US4148979A/en
Publication of JPS5370984A publication Critical patent/JPS5370984A/en
Publication of JPS5930792B2 publication Critical patent/JPS5930792B2/en
Expired legal-status Critical Current

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Abstract

PURPOSE: To decrease OH- permeability of cation exchange membrane so as to improve current efficiency in separation of an electrolyte in aq. soln. by swelling the cation exchange membrane with an org. solvent compatible with water, and then by removing the solvent.
COPYRIGHT: (C)1978,JPO&Japio
JP51146160A 1976-04-27 1976-12-07 Method for improving hydroxide ion permeation blocking property of cation exchange membrane Expired JPS5930792B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP51146160A JPS5930792B2 (en) 1976-12-07 1976-12-07 Method for improving hydroxide ion permeation blocking property of cation exchange membrane
US05/790,818 US4148979A (en) 1976-04-27 1977-04-25 Method of improving characteristics of cation-exchange membrane by swelling in water miscible organic solvent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51146160A JPS5930792B2 (en) 1976-12-07 1976-12-07 Method for improving hydroxide ion permeation blocking property of cation exchange membrane

Publications (2)

Publication Number Publication Date
JPS5370984A true JPS5370984A (en) 1978-06-23
JPS5930792B2 JPS5930792B2 (en) 1984-07-28

Family

ID=15401480

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51146160A Expired JPS5930792B2 (en) 1976-04-27 1976-12-07 Method for improving hydroxide ion permeation blocking property of cation exchange membrane

Country Status (1)

Country Link
JP (1) JPS5930792B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0266391U (en) * 1988-11-10 1990-05-18

Also Published As

Publication number Publication date
JPS5930792B2 (en) 1984-07-28

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