JPS542269A - Treating method for waste chromic acid - Google Patents
Treating method for waste chromic acidInfo
- Publication number
- JPS542269A JPS542269A JP6727777A JP6727777A JPS542269A JP S542269 A JPS542269 A JP S542269A JP 6727777 A JP6727777 A JP 6727777A JP 6727777 A JP6727777 A JP 6727777A JP S542269 A JPS542269 A JP S542269A
- Authority
- JP
- Japan
- Prior art keywords
- chromic acid
- treating method
- waste
- waste chromic
- grocess
- 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
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
PURPOSE: To recover chromium (VI) rationally by the treatment of waste chromic acid contg. heavy metals of fluorine cpds. in the leaching step of sodium chromate manufacturing grocess so as to separate inpurities.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6727777A JPS581048B2 (en) | 1977-06-09 | 1977-06-09 | Processing method for chromium waste acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6727777A JPS581048B2 (en) | 1977-06-09 | 1977-06-09 | Processing method for chromium waste acid |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS542269A true JPS542269A (en) | 1979-01-09 |
JPS581048B2 JPS581048B2 (en) | 1983-01-10 |
Family
ID=13340302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6727777A Expired JPS581048B2 (en) | 1977-06-09 | 1977-06-09 | Processing method for chromium waste acid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS581048B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56112482U (en) * | 1980-01-31 | 1981-08-31 | ||
CN103449522A (en) * | 2012-06-01 | 2013-12-18 | 中国科学院过程工程研究所 | Method for producing chromates through using chromium-containing waste residues |
-
1977
- 1977-06-09 JP JP6727777A patent/JPS581048B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56112482U (en) * | 1980-01-31 | 1981-08-31 | ||
JPS6126781Y2 (en) * | 1980-01-31 | 1986-08-11 | ||
CN103449522A (en) * | 2012-06-01 | 2013-12-18 | 中国科学院过程工程研究所 | Method for producing chromates through using chromium-containing waste residues |
CN103449522B (en) * | 2012-06-01 | 2016-03-09 | 中国科学院过程工程研究所 | A kind of chromium residue produces the method for chromic salt |
Also Published As
Publication number | Publication date |
---|---|
JPS581048B2 (en) | 1983-01-10 |
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