JPS5628625A - Denitrating method of exhaust gas - Google Patents
Denitrating method of exhaust gasInfo
- Publication number
- JPS5628625A JPS5628625A JP10369379A JP10369379A JPS5628625A JP S5628625 A JPS5628625 A JP S5628625A JP 10369379 A JP10369379 A JP 10369379A JP 10369379 A JP10369379 A JP 10369379A JP S5628625 A JPS5628625 A JP S5628625A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- nox
- added
- denitrification
- oxidation treatment
- 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
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Treating Waste Gases (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
PURPOSE:To efficiently convert the NOX in exhaust gas to N2 by subjecting the exhaust gas to oxidation treatment to convert NOX to NO2 then controlling the dissolved O2 in the alkaline scrubbing liquid in which said NO2 has been fixed to approximately zero, and causing denitrification reaction with denitrification germs. CONSTITUTION:The exhaust gas is subjected to oxidation treatment preferably by an O3 oxidation method to convert the NOX in the exhaust gas to NO2. In this case, O3 is added in such a manner that O3/(NO is NOX) becomes 0.8-1.0. Next, the exhaust gas after the oxidation treatment is scrubbed with the alkaline scrubbling liquid of 8-10pH added with Na2SO3 as a reducing agent, whereby the NO2 is absorbed thereon. Next, alcohol (e.g.; methanol) is added to the scrubbing liquid having been absorbed and fixed NO2 so as to make CnH2n+1OH/NOX 1/n, after which the dissolved O2 is controlled approximately to zero. Next, denitrification germs (e.g.; pseudomonas denitroficans) are added to the scrubbing liquid of this state to cause denitrification reaction, whereby the NOX is converted to N2 and is made pollution-free without inducing secondary pollution such as eutrophication.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10369379A JPS5628625A (en) | 1979-08-15 | 1979-08-15 | Denitrating method of exhaust gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10369379A JPS5628625A (en) | 1979-08-15 | 1979-08-15 | Denitrating method of exhaust gas |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5628625A true JPS5628625A (en) | 1981-03-20 |
Family
ID=14360855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10369379A Pending JPS5628625A (en) | 1979-08-15 | 1979-08-15 | Denitrating method of exhaust gas |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5628625A (en) |
-
1979
- 1979-08-15 JP JP10369379A patent/JPS5628625A/en active Pending
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