JPS5456074A - Treating method for waste liquid - Google Patents
Treating method for waste liquidInfo
- Publication number
- JPS5456074A JPS5456074A JP12183777A JP12183777A JPS5456074A JP S5456074 A JPS5456074 A JP S5456074A JP 12183777 A JP12183777 A JP 12183777A JP 12183777 A JP12183777 A JP 12183777A JP S5456074 A JPS5456074 A JP S5456074A
- Authority
- JP
- Japan
- Prior art keywords
- contg
- pollutant
- org
- austenic
- press
- 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 treat waste liq. economically despite of a severely corrosive environment without requiring pretreatment of the waste gas, by using specific austenic stainless steel as equipment material for wet oxidation at elevated temp. and press. of acidic ammonium-sulfate-contg. waste liq. which contains org. pollutant of high concn.
CONSTITUTION: Acidic ammonium-sulfate-contg. waste liq. which contains high concn. of org. pollutant (e.g., a wate soln. 4W6.5 in pH, consisting usually of 5W20% ammonium sulfate, 2W10%org. pollutant, 500W5,000ppm cyanide, which is ischarged from AN manufacturing process) is wet-oxidized at elevated temp. and press. (e.g., 250W270°C, 70kg/cm2 G) by the contact of it with O2-contg. gas. As the material of the apparatus for the wet oxidation at elevated temp. and press. is used an austenic low-carbon stainless steel contg. Ni not less than 12% (e. g., SUS 316 L) or an austenic stabilized stainless steel (e.g., sUS 321)
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12183777A JPS5456074A (en) | 1977-10-13 | 1977-10-13 | Treating method for waste liquid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12183777A JPS5456074A (en) | 1977-10-13 | 1977-10-13 | Treating method for waste liquid |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5456074A true JPS5456074A (en) | 1979-05-04 |
Family
ID=14821147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12183777A Pending JPS5456074A (en) | 1977-10-13 | 1977-10-13 | Treating method for waste liquid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5456074A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6061095A (en) * | 1983-08-22 | 1985-04-08 | スターリング・ドラツグ・インコーポレーテツド | Liquid-gas injection system for wet type oxidizing reactor |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS515221A (en) * | 1974-07-04 | 1976-01-16 | Dainichi Nippon Cables Ltd | DODENYOARUMINIUMUGOKINOYOBISONO SEIHIN |
-
1977
- 1977-10-13 JP JP12183777A patent/JPS5456074A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS515221A (en) * | 1974-07-04 | 1976-01-16 | Dainichi Nippon Cables Ltd | DODENYOARUMINIUMUGOKINOYOBISONO SEIHIN |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6061095A (en) * | 1983-08-22 | 1985-04-08 | スターリング・ドラツグ・インコーポレーテツド | Liquid-gas injection system for wet type oxidizing reactor |
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