JPS56130236A - Regeneration of cation exchange resin - Google Patents
Regeneration of cation exchange resinInfo
- Publication number
- JPS56130236A JPS56130236A JP3370580A JP3370580A JPS56130236A JP S56130236 A JPS56130236 A JP S56130236A JP 3370580 A JP3370580 A JP 3370580A JP 3370580 A JP3370580 A JP 3370580A JP S56130236 A JPS56130236 A JP S56130236A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- soln
- type
- aqueous
- cation exchange
- 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
Landscapes
- Treatment Of Water By Ion Exchange (AREA)
Abstract
PURPOSE: To regenerate an imino-di-acetic acid type cation exchange resin having adsorbed silver ions in good condition without deteriorating the resin by subjecting the same to treatment by an aqueous copper nitrate soln. followed by treatment by a hydrochloric acid in regenerating said resin.
CONSTITUTION: In regenerating the imino-di-acetic acid type cation exchange resin having treated the liquid contg. ≤50ppm Ag ions which is the electrodeposition coating paint consisting essentially of acrylic acid type paint and having been used for electrodeposition coating, first an aqueous copper nitrate soln. of 5W25% concentrations is passed at 5W50°C temperatures in the resin layer in a packed tower. The Ag ions in the resin become silver nitrate which is easy to dissolve in water and is removed as an aqueous soln. Since the resin assumes Cu type, the liquid is passed by using HCl of 1.5W10% concentrations and the resin is regenerated to the resin of H type. If necessary, it is possible to change the resin to Na type and amine type by treating it with an aqueous NaOH soln. and aqueous amine soln.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3370580A JPS56130236A (en) | 1980-03-17 | 1980-03-17 | Regeneration of cation exchange resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3370580A JPS56130236A (en) | 1980-03-17 | 1980-03-17 | Regeneration of cation exchange resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56130236A true JPS56130236A (en) | 1981-10-13 |
Family
ID=12393829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3370580A Pending JPS56130236A (en) | 1980-03-17 | 1980-03-17 | Regeneration of cation exchange resin |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56130236A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0996130A1 (en) * | 1998-10-23 | 2000-04-26 | Eurotope Entwicklungsgesellschaft für Isotopentechnologien mbH | Medical radioactive iodine-125 miniature radiation sources and methods of producing same |
| JP2018517658A (en) * | 2015-04-06 | 2018-07-05 | ラシルク, インコーポレイテッドRasirc, Inc. | Method and system for purification of hydrogen peroxide solution |
-
1980
- 1980-03-17 JP JP3370580A patent/JPS56130236A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0996130A1 (en) * | 1998-10-23 | 2000-04-26 | Eurotope Entwicklungsgesellschaft für Isotopentechnologien mbH | Medical radioactive iodine-125 miniature radiation sources and methods of producing same |
| JP2018517658A (en) * | 2015-04-06 | 2018-07-05 | ラシルク, インコーポレイテッドRasirc, Inc. | Method and system for purification of hydrogen peroxide solution |
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