JPS5347400A - Purifying method for caustic alkali solution - Google Patents

Purifying method for caustic alkali solution

Info

Publication number
JPS5347400A
JPS5347400A JP12319676A JP12319676A JPS5347400A JP S5347400 A JPS5347400 A JP S5347400A JP 12319676 A JP12319676 A JP 12319676A JP 12319676 A JP12319676 A JP 12319676A JP S5347400 A JPS5347400 A JP S5347400A
Authority
JP
Japan
Prior art keywords
caustic alkali
alkali solution
purifying method
exchange resins
ions
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
JP12319676A
Other languages
Japanese (ja)
Inventor
Noriyuki Yokota
Shingo Tokuda
Yasuhiro Kanetani
Shigeo Asada
Hirokatsu Shimizu
Tateki Yamamoto
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.)
Osaka Soda Co Ltd
Original Assignee
Osaka Soda 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 Osaka Soda Co Ltd filed Critical Osaka Soda Co Ltd
Priority to JP12319676A priority Critical patent/JPS5347400A/en
Publication of JPS5347400A publication Critical patent/JPS5347400A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To enable efficient regeneration of iron-exchange resins in removing by adsorption chlorine ions in aq. solutions of caustic alkali by use of anion-exchange resins, by exchanging adsorbed chlorine ions for bicarbonate ions and then substituting OH groups with them.
JP12319676A 1976-10-13 1976-10-13 Purifying method for caustic alkali solution Pending JPS5347400A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12319676A JPS5347400A (en) 1976-10-13 1976-10-13 Purifying method for caustic alkali solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12319676A JPS5347400A (en) 1976-10-13 1976-10-13 Purifying method for caustic alkali solution

Publications (1)

Publication Number Publication Date
JPS5347400A true JPS5347400A (en) 1978-04-27

Family

ID=14854561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12319676A Pending JPS5347400A (en) 1976-10-13 1976-10-13 Purifying method for caustic alkali solution

Country Status (1)

Country Link
JP (1) JPS5347400A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011031223A (en) * 2009-08-05 2011-02-17 Nomura Micro Sci Co Ltd Anion exchanger, method of pretreatment thereof and method for regeneration thereof, and method and device for refining aqueous alkali solution
JP2013166150A (en) * 2013-05-22 2013-08-29 Nomura Micro Sci Co Ltd Method of purifying alkali aqueous solution

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011031223A (en) * 2009-08-05 2011-02-17 Nomura Micro Sci Co Ltd Anion exchanger, method of pretreatment thereof and method for regeneration thereof, and method and device for refining aqueous alkali solution
JP2013166150A (en) * 2013-05-22 2013-08-29 Nomura Micro Sci Co Ltd Method of purifying alkali aqueous solution

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