JPS5390650A - Waste water treatment - Google Patents
Waste water treatmentInfo
- Publication number
- JPS5390650A JPS5390650A JP442077A JP442077A JPS5390650A JP S5390650 A JPS5390650 A JP S5390650A JP 442077 A JP442077 A JP 442077A JP 442077 A JP442077 A JP 442077A JP S5390650 A JPS5390650 A JP S5390650A
- Authority
- JP
- Japan
- Prior art keywords
- waste water
- water treatment
- diothine
- gassifying
- degassifying
- 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
Abstract
PURPOSE: To decrease the COD causing substances in the waste water containing the alkali-metallic salt of diothine through the process comprising subjecting said waste water to heat decomposition at a pressure while keeping said waste water in acidic range and removing gassifying sulfuric acid from thus-obtained waste water solution of decomposition product by degassifying said waste water.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP442077A JPS5390650A (en) | 1977-01-20 | 1977-01-20 | Waste water treatment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP442077A JPS5390650A (en) | 1977-01-20 | 1977-01-20 | Waste water treatment |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5390650A true JPS5390650A (en) | 1978-08-09 |
Family
ID=11583774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP442077A Pending JPS5390650A (en) | 1977-01-20 | 1977-01-20 | Waste water treatment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5390650A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01115490A (en) * | 1987-10-29 | 1989-05-08 | Mitsubishi Cable Ind Ltd | Preheating method and apparatus in treatment of cyanogen-containing waste liquor |
JP2002086159A (en) * | 2000-09-13 | 2002-03-26 | Ishikawajima Harima Heavy Ind Co Ltd | Treatment method of selenium-containing waste liquid and device thereof |
-
1977
- 1977-01-20 JP JP442077A patent/JPS5390650A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01115490A (en) * | 1987-10-29 | 1989-05-08 | Mitsubishi Cable Ind Ltd | Preheating method and apparatus in treatment of cyanogen-containing waste liquor |
JP2002086159A (en) * | 2000-09-13 | 2002-03-26 | Ishikawajima Harima Heavy Ind Co Ltd | Treatment method of selenium-containing waste liquid and device thereof |
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