JPS56147699A - Treatment for waste water of stack gas desulfurization and denitration - Google Patents
Treatment for waste water of stack gas desulfurization and denitrationInfo
- Publication number
- JPS56147699A JPS56147699A JP5132480A JP5132480A JPS56147699A JP S56147699 A JPS56147699 A JP S56147699A JP 5132480 A JP5132480 A JP 5132480A JP 5132480 A JP5132480 A JP 5132480A JP S56147699 A JPS56147699 A JP S56147699A
- Authority
- JP
- Japan
- Prior art keywords
- water
- waste water
- biological
- treatment
- stack gas
- 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
- Treatment Of Water By Ion Exchange (AREA)
Abstract
PURPOSE: To considerably improve reaction efficiency and maintain COD below the reference value by subjecting the waste water cong. nitrogen compounds discharged from a stack gas desulfurizing and/or denitrating device to biological nitrogen removing treatment then supplying the same to a synthetic resin-packed tower.
CONSTITUTION: Inor. and org. flocculants and alkali agents are beforehand added to the waste water of stack gas desulfurization and denitration, to allow suspended matter and metallic salts to flocculate and the flocs are removed by settling or filtering. The waste water having undergone this pretreatment is treated in a biological nitrifying process 1, after which it is supplied to a biological denitrifying process 2, where org. matter such as methanol is added to the inflow water in the anaerobic state and is allowed to contact with denitrifying germs so that the NO2-N, etc. in the water are reduced to nitrogen gas. Thence, the water after the treatment is supplied into a resin tower 3 packed with synthetic adsorbent resins having medium basic or weak basic groups, whereby the COD components in the water are adsorbed in the resins and are thus removed.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5132480A JPS56147699A (en) | 1980-04-18 | 1980-04-18 | Treatment for waste water of stack gas desulfurization and denitration |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5132480A JPS56147699A (en) | 1980-04-18 | 1980-04-18 | Treatment for waste water of stack gas desulfurization and denitration |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56147699A true JPS56147699A (en) | 1981-11-16 |
JPH0153120B2 JPH0153120B2 (en) | 1989-11-13 |
Family
ID=12883731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5132480A Granted JPS56147699A (en) | 1980-04-18 | 1980-04-18 | Treatment for waste water of stack gas desulfurization and denitration |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56147699A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58174297A (en) * | 1982-04-07 | 1983-10-13 | Sumitomo Chem Co Ltd | Treatment of waste water from desulfurization of waste gas |
CN113024011A (en) * | 2019-12-24 | 2021-06-25 | 中冶京诚工程技术有限公司 | Method and device for treating wastewater of activated carbon desulfurization and denitrification system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51136364A (en) * | 1975-05-21 | 1976-11-25 | Ebara Infilco Co Ltd | Treating method for waste water from smoke desulfurization process |
JPS5564899A (en) * | 1978-11-07 | 1980-05-15 | Ebara Infilco Co Ltd | Treatment of waste water being scavenged, desulfurized and denitrified waste gas |
-
1980
- 1980-04-18 JP JP5132480A patent/JPS56147699A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51136364A (en) * | 1975-05-21 | 1976-11-25 | Ebara Infilco Co Ltd | Treating method for waste water from smoke desulfurization process |
JPS5564899A (en) * | 1978-11-07 | 1980-05-15 | Ebara Infilco Co Ltd | Treatment of waste water being scavenged, desulfurized and denitrified waste gas |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58174297A (en) * | 1982-04-07 | 1983-10-13 | Sumitomo Chem Co Ltd | Treatment of waste water from desulfurization of waste gas |
JPH0371199B2 (en) * | 1982-04-07 | 1991-11-12 | Sumitomo Chemical Co | |
CN113024011A (en) * | 2019-12-24 | 2021-06-25 | 中冶京诚工程技术有限公司 | Method and device for treating wastewater of activated carbon desulfurization and denitrification system |
Also Published As
Publication number | Publication date |
---|---|
JPH0153120B2 (en) | 1989-11-13 |
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