JPS53125993A - Method of treating sulfuric acid containing fluorine - Google Patents
Method of treating sulfuric acid containing fluorineInfo
- Publication number
- JPS53125993A JPS53125993A JP4030977A JP4030977A JPS53125993A JP S53125993 A JPS53125993 A JP S53125993A JP 4030977 A JP4030977 A JP 4030977A JP 4030977 A JP4030977 A JP 4030977A JP S53125993 A JPS53125993 A JP S53125993A
- Authority
- JP
- Japan
- Prior art keywords
- sulfuric acid
- acid containing
- containing fluorine
- treating sulfuric
- treating
- 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 recover fluorine as a calcium fluoride, a compound of better quality, in treatment of waste liquid of sulfuric acid with addition of calcium carbonate after neutralization of sulfuric acid component with caustic soda.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52040309A JPS6035285B2 (en) | 1977-04-11 | 1977-04-11 | Treatment method for fluorine-containing sulfuric acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52040309A JPS6035285B2 (en) | 1977-04-11 | 1977-04-11 | Treatment method for fluorine-containing sulfuric acid |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53125993A true JPS53125993A (en) | 1978-11-02 |
JPS6035285B2 JPS6035285B2 (en) | 1985-08-14 |
Family
ID=12577007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52040309A Expired JPS6035285B2 (en) | 1977-04-11 | 1977-04-11 | Treatment method for fluorine-containing sulfuric acid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6035285B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005330171A (en) * | 2004-05-21 | 2005-12-02 | Matsushita Electric Ind Co Ltd | Method and apparatus for producing calcium fluoride |
WO2009028677A1 (en) * | 2007-08-31 | 2009-03-05 | The University Of Tokyo | Method for purification of fluorite |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5111095A (en) * | 1974-07-19 | 1976-01-28 | Nippon Light Metal Co | Futsusobunno kaishuhoho |
-
1977
- 1977-04-11 JP JP52040309A patent/JPS6035285B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5111095A (en) * | 1974-07-19 | 1976-01-28 | Nippon Light Metal Co | Futsusobunno kaishuhoho |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005330171A (en) * | 2004-05-21 | 2005-12-02 | Matsushita Electric Ind Co Ltd | Method and apparatus for producing calcium fluoride |
WO2009028677A1 (en) * | 2007-08-31 | 2009-03-05 | The University Of Tokyo | Method for purification of fluorite |
Also Published As
Publication number | Publication date |
---|---|
JPS6035285B2 (en) | 1985-08-14 |
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