JPS5347400A - Purifying method for caustic alkali solution - Google Patents
Purifying method for caustic alkali solutionInfo
- 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
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.
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)
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 |
-
1976
- 1976-10-13 JP JP12319676A patent/JPS5347400A/en active Pending
Cited By (2)
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Effective date: 20050329 Free format text: JAPANESE INTERMEDIATE CODE: A131 |
|
A313 | Final decision of rejection without a dissenting response from the applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A313 Effective date: 20050808 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20050920 |