JPS5497579A - Separation of cation exchange resin from anion-and cation-exchange resin mixture - Google Patents
Separation of cation exchange resin from anion-and cation-exchange resin mixtureInfo
- Publication number
- JPS5497579A JPS5497579A JP439178A JP439178A JPS5497579A JP S5497579 A JPS5497579 A JP S5497579A JP 439178 A JP439178 A JP 439178A JP 439178 A JP439178 A JP 439178A JP S5497579 A JPS5497579 A JP S5497579A
- Authority
- JP
- Japan
- Prior art keywords
- exchange resin
- cation
- anion
- resin layer
- separated
- 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
Links
Abstract
PURPOSE: To permit the complete separation and regeneration of anion-and cation- exchange resins by treating the both ion exchange resins mixed layer at two stages in a specific condition using the upward flow of a NaOH solution.
CONSTITUTION: A 2 to 8% NaOH solution 7 is introduced into the regenerting tower 6 filled with anion- and cation-exchange resins mixture from the bottom side at an upward flow rate(LV) of 0.5 to 4 m/H (1st process), whereupon the anion exchange resin layer 4 is separated on the upper side, the fine cation exchange resin layer K on the intermediate side, and the cation exchange resin layer 3' on the lower side. Then, a NaOH solution 8 (usually 10 to 20%) having a density equivalent to that between anion exchange resin and cation exchange resin is introduced into the lower side of the tower 6 at a low flow rate(LV) of 2m/H or less(2nd process), whereupon the anion exchange resin layer 4 is separated on the upper side of the liquid layer 9, and also the fine resin layer K and the cation exchange resin layer 3' are separated on the lower side.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP439178A JPS5497579A (en) | 1978-01-20 | 1978-01-20 | Separation of cation exchange resin from anion-and cation-exchange resin mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP439178A JPS5497579A (en) | 1978-01-20 | 1978-01-20 | Separation of cation exchange resin from anion-and cation-exchange resin mixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5497579A true JPS5497579A (en) | 1979-08-01 |
| JPS5741978B2 JPS5741978B2 (en) | 1982-09-06 |
Family
ID=11583046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP439178A Granted JPS5497579A (en) | 1978-01-20 | 1978-01-20 | Separation of cation exchange resin from anion-and cation-exchange resin mixture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5497579A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58180239A (en) * | 1982-03-30 | 1983-10-21 | ノ−ザン・エンジニアリング・インダストリ−ズ・ピ−エルシイ | Regeneration of ion exchange substance |
| US4524153A (en) * | 1980-10-30 | 1985-06-18 | Hitachi, Ltd. | Method of and system for regenerating powdery ion-exchange resin |
| CN115069312A (en) * | 2021-03-15 | 2022-09-20 | 兆德（南通）电子科技有限公司 | Separation method of ion exchange resin |
-
1978
- 1978-01-20 JP JP439178A patent/JPS5497579A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4524153A (en) * | 1980-10-30 | 1985-06-18 | Hitachi, Ltd. | Method of and system for regenerating powdery ion-exchange resin |
| JPS58180239A (en) * | 1982-03-30 | 1983-10-21 | ノ−ザン・エンジニアリング・インダストリ−ズ・ピ−エルシイ | Regeneration of ion exchange substance |
| CN115069312A (en) * | 2021-03-15 | 2022-09-20 | 兆德（南通）电子科技有限公司 | Separation method of ion exchange resin |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5741978B2 (en) | 1982-09-06 |
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