JPS535861A - Process for treating drain water containing phosphoric acid - Google Patents
Process for treating drain water containing phosphoric acidInfo
- Publication number
- JPS535861A JPS535861A JP7941976A JP7941976A JPS535861A JP S535861 A JPS535861 A JP S535861A JP 7941976 A JP7941976 A JP 7941976A JP 7941976 A JP7941976 A JP 7941976A JP S535861 A JPS535861 A JP S535861A
- Authority
- JP
- Japan
- Prior art keywords
- phosphoric acid
- drain water
- water containing
- containing phosphoric
- treating drain
- 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
- Removal Of Specific Substances (AREA)
Abstract
PURPOSE: To remove a phosphoric acid ion in drain water by adjusting pH to 7.5 - 10 with slaked lime after a neutral calcium salt is added to an inductrial drain water containing a one valence cation e.g. NH3, Na, K, etc. together with a phosphoric acid ion.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7941976A JPS535861A (en) | 1976-07-06 | 1976-07-06 | Process for treating drain water containing phosphoric acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7941976A JPS535861A (en) | 1976-07-06 | 1976-07-06 | Process for treating drain water containing phosphoric acid |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS535861A true JPS535861A (en) | 1978-01-19 |
JPS5540075B2 JPS5540075B2 (en) | 1980-10-15 |
Family
ID=13689336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7941976A Granted JPS535861A (en) | 1976-07-06 | 1976-07-06 | Process for treating drain water containing phosphoric acid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS535861A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS565192A (en) * | 1979-06-28 | 1981-01-20 | Ebara Infilco Co Ltd | Highly advanced treatment of waste water |
JPS56163792A (en) * | 1980-05-22 | 1981-12-16 | Ebara Infilco Co Ltd | Removing method for phosphoric acid dissolved in water |
FR2729134A1 (en) * | 1995-01-06 | 1996-07-12 | Total Raffinage Distribution | Neutralising acid liq. effluents contg. precipitatable metals |
JP2002035768A (en) * | 2000-07-21 | 2002-02-05 | Japan Organo Co Ltd | Method for removing phosphorus and fluorine in wastewater |
-
1976
- 1976-07-06 JP JP7941976A patent/JPS535861A/en active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS565192A (en) * | 1979-06-28 | 1981-01-20 | Ebara Infilco Co Ltd | Highly advanced treatment of waste water |
JPS56163792A (en) * | 1980-05-22 | 1981-12-16 | Ebara Infilco Co Ltd | Removing method for phosphoric acid dissolved in water |
JPH0117753B2 (en) * | 1980-05-22 | 1989-03-31 | Ebara Infilco | |
FR2729134A1 (en) * | 1995-01-06 | 1996-07-12 | Total Raffinage Distribution | Neutralising acid liq. effluents contg. precipitatable metals |
JP2002035768A (en) * | 2000-07-21 | 2002-02-05 | Japan Organo Co Ltd | Method for removing phosphorus and fluorine in wastewater |
Also Published As
Publication number | Publication date |
---|---|
JPS5540075B2 (en) | 1980-10-15 |
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