JPS6490043A - Method for eluting heavy metal adsorbed on chelating agent - Google Patents
Method for eluting heavy metal adsorbed on chelating agentInfo
- Publication number
- JPS6490043A JPS6490043A JP62248278A JP24827887A JPS6490043A JP S6490043 A JPS6490043 A JP S6490043A JP 62248278 A JP62248278 A JP 62248278A JP 24827887 A JP24827887 A JP 24827887A JP S6490043 A JPS6490043 A JP S6490043A
- Authority
- JP
- Japan
- Prior art keywords
- heavy metal
- functional group
- acid
- salt
- exemplified
- 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
Landscapes
- Compounds Of Iron (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
PURPOSE:To facilitate elution of heavy metal by eluting heavy metal adsorbed on a chelating agent having easily decomposed functional group and/or the functional group difficultly eluting heavy metal in the molecule, with polyaminopolycarboxylic acid, etc. CONSTITUTION:The heavy metal adsorbed on the chelating agent having easily decomposed functional group and/or the functional group difficultly eluting heavy metal in the molecule, is eluted with an eluent consisting of polyaminopolycarboxylic acid or its salt. As easily decomposed functional group, oxime residue, phosphonic acid ester residue, phosphinic acid ester residue, etc., are exemplified and as the functional group difficultly eluting heavy metal, aminophosphoric acid residue, etc., are exemplified. As polyaminopolycarboxylic acid, ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, etc., are exemplified and as its salt, alkali metal salt, alkali earth metal salt, ammonium salt, amine salt, etc., are exemplified.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62248278A JPH0777617B2 (en) | 1987-09-30 | 1987-09-30 | Elution method of heavy metals adsorbed on chelating agents |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62248278A JPH0777617B2 (en) | 1987-09-30 | 1987-09-30 | Elution method of heavy metals adsorbed on chelating agents |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6490043A true JPS6490043A (en) | 1989-04-05 |
JPH0777617B2 JPH0777617B2 (en) | 1995-08-23 |
Family
ID=17175733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62248278A Expired - Lifetime JPH0777617B2 (en) | 1987-09-30 | 1987-09-30 | Elution method of heavy metals adsorbed on chelating agents |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0777617B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02290824A (en) * | 1989-04-28 | 1990-11-30 | Sumitomo Chem Co Ltd | Purification of solution of organic compound |
JP2008100851A (en) * | 2006-10-17 | 2008-05-01 | Toagosei Co Ltd | Method for producing indium compound from ferrous chloride solution |
CN110484263A (en) * | 2019-07-02 | 2019-11-22 | 广东省生态环境技术研究所 | A kind of compound leaching agent and its application |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS48103476A (en) * | 1972-04-17 | 1973-12-25 | ||
JPS6142335A (en) * | 1984-08-03 | 1986-02-28 | Sumitomo Chem Co Ltd | Eluting method for metal adsorbed by chelating agent |
JPS61293555A (en) * | 1985-05-28 | 1986-12-24 | Sumitomo Chem Co Ltd | Method for eluting metal adsorbed on chelating agent |
-
1987
- 1987-09-30 JP JP62248278A patent/JPH0777617B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS48103476A (en) * | 1972-04-17 | 1973-12-25 | ||
JPS6142335A (en) * | 1984-08-03 | 1986-02-28 | Sumitomo Chem Co Ltd | Eluting method for metal adsorbed by chelating agent |
JPS61293555A (en) * | 1985-05-28 | 1986-12-24 | Sumitomo Chem Co Ltd | Method for eluting metal adsorbed on chelating agent |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02290824A (en) * | 1989-04-28 | 1990-11-30 | Sumitomo Chem Co Ltd | Purification of solution of organic compound |
JP2008100851A (en) * | 2006-10-17 | 2008-05-01 | Toagosei Co Ltd | Method for producing indium compound from ferrous chloride solution |
CN110484263A (en) * | 2019-07-02 | 2019-11-22 | 广东省生态环境技术研究所 | A kind of compound leaching agent and its application |
Also Published As
Publication number | Publication date |
---|---|
JPH0777617B2 (en) | 1995-08-23 |
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