JPS5421993A - Process for purifying causing soda - Google Patents

Process for purifying causing soda

Info

Publication number
JPS5421993A
JPS5421993A JP8800077A JP8800077A JPS5421993A JP S5421993 A JPS5421993 A JP S5421993A JP 8800077 A JP8800077 A JP 8800077A JP 8800077 A JP8800077 A JP 8800077A JP S5421993 A JPS5421993 A JP S5421993A
Authority
JP
Japan
Prior art keywords
soda
purifying
causing
caustic soda
ratio
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
JP8800077A
Other languages
Japanese (ja)
Other versions
JPS5738528B2 (en
Inventor
Osamu Kusudo
Yoshito Hamamoto
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.)
Kuraray Co Ltd
Original Assignee
Kuraray 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 Kuraray Co Ltd filed Critical Kuraray Co Ltd
Priority to JP8800077A priority Critical patent/JPS5421993A/en
Publication of JPS5421993A publication Critical patent/JPS5421993A/en
Publication of JPS5738528B2 publication Critical patent/JPS5738528B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

PURPOSE: To provide the subject process of subjecting caustic soda containing common salt to dialysis by use of a PVA selective permeable membrane, thereby reducing greatly the salt containing ratio of caustic soda at a considerably high caustic soda recovery ratio.
COPYRIGHT: (C)1979,JPO&Japio
JP8800077A 1977-07-20 1977-07-20 Process for purifying causing soda Granted JPS5421993A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8800077A JPS5421993A (en) 1977-07-20 1977-07-20 Process for purifying causing soda

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8800077A JPS5421993A (en) 1977-07-20 1977-07-20 Process for purifying causing soda

Publications (2)

Publication Number Publication Date
JPS5421993A true JPS5421993A (en) 1979-02-19
JPS5738528B2 JPS5738528B2 (en) 1982-08-16

Family

ID=13930508

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8800077A Granted JPS5421993A (en) 1977-07-20 1977-07-20 Process for purifying causing soda

Country Status (1)

Country Link
JP (1) JPS5421993A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5098496A (en) * 1974-01-02 1975-08-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5098496A (en) * 1974-01-02 1975-08-05

Also Published As

Publication number Publication date
JPS5738528B2 (en) 1982-08-16

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