JPS5715824A - Method for removing nitrogen oxide in waste gas - Google Patents
Method for removing nitrogen oxide in waste gasInfo
- Publication number
- JPS5715824A JPS5715824A JP7048081A JP7048081A JPS5715824A JP S5715824 A JPS5715824 A JP S5715824A JP 7048081 A JP7048081 A JP 7048081A JP 7048081 A JP7048081 A JP 7048081A JP S5715824 A JPS5715824 A JP S5715824A
- Authority
- JP
- Japan
- Prior art keywords
- nox
- catalyst
- reducing
- gases
- making
- 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 reduce NOX at a low cost by using iron ore as a reducing catalyst for NOX at the time of reducing the NOX contained in various waste gases in the presence of ammonia thereby making the gases harmless. CONSTITUTION:At the time of making harmful waste gases contg. NOX such as waste combustion gases and waste gases of reaction systems harmless by reducing the NOX to nitrogen by using ammonia as a reducing agent, iron ore is used as a reducing catalyst. As compoared to conventional catalysts such as Pt, Co and the like, iron ore is extremely inexpensive and does not require catalyst carriers. After the use as a catalyst, it retains the initial value as a raw material for iron making, and therefore, the cost of denitration is reduced considerably by the extremely inexpensive catalyst of good efficiency.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7048081A JPS5715824A (en) | 1981-05-11 | 1981-05-11 | Method for removing nitrogen oxide in waste gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7048081A JPS5715824A (en) | 1981-05-11 | 1981-05-11 | Method for removing nitrogen oxide in waste gas |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5715824A true JPS5715824A (en) | 1982-01-27 |
Family
ID=13432721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7048081A Pending JPS5715824A (en) | 1981-05-11 | 1981-05-11 | Method for removing nitrogen oxide in waste gas |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5715824A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4656148A (en) * | 1984-08-22 | 1987-04-07 | Didier-Werke Ag | Method for the reactivation of a catalyst used for removal of nitrogen oxides |
JP2011161330A (en) * | 2010-02-05 | 2011-08-25 | Nippon Steel Corp | Apparatus for denitrifying exhaust |
-
1981
- 1981-05-11 JP JP7048081A patent/JPS5715824A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4656148A (en) * | 1984-08-22 | 1987-04-07 | Didier-Werke Ag | Method for the reactivation of a catalyst used for removal of nitrogen oxides |
JP2011161330A (en) * | 2010-02-05 | 2011-08-25 | Nippon Steel Corp | Apparatus for denitrifying exhaust |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2003742A6 (en) | Process for the catalytic treating of exhaust gas. | |
EP0694329A3 (en) | Method of denitrating exhaust gases | |
ES8704750A1 (en) | Process for the selective elimination of nitric oxides contained in exhaust gases. | |
DE3463003D1 (en) | Catalyst for treating waste gases | |
DE3569205D1 (en) | Catalyst for the selective reduction of nitrogen oxides in exhaust gases, and process for manufacturing and using such a catalyst | |
JPS5224996A (en) | Process for producing catalist for the reduction of nitrogen oxides | |
JPS5715824A (en) | Method for removing nitrogen oxide in waste gas | |
ES8301660A1 (en) | Process for removing nitrogen oxide gas. | |
JPS5311879A (en) | Moving bed type catalytic reduction method for nitrogen oxides | |
JPS544873A (en) | Decomposing method for nitrogen oxides | |
JPS5676228A (en) | Detoxification method of exhaust gas containing nitrogen oxide | |
JPS5289560A (en) | Removal of nitrogen oxides | |
JPS5353572A (en) | Treating metod for gas cntaining ammonia | |
JPS5421956A (en) | Method of removing nitrogen oxides contained in exhaust gas | |
JPS5230771A (en) | Method for removing nitrogen oxides in waste gas | |
JPS5347392A (en) | Catalyst for purification of exhaust gas | |
JPS5236570A (en) | Process for removing nitrogen oxides in exhaust gases and its equipmen t | |
JPS524469A (en) | Catalytic reduction process for nitrogen oxides | |
JPS51134395A (en) | Catalysts for removing nitrogen oxides | |
JPS5326262A (en) | Removing method for nitrogen oxides in exhaust gas | |
JPS5330995A (en) | Catalyst for treating of exhaust gas | |
JPS5353571A (en) | Treating method for gas containing ammonia | |
JPS525690A (en) | Catalyst for reducing catalytically nitrogen oxides | |
JPS5322158A (en) | Removing method for nitrogen oxides contained in exhaust gas from combustion apparatus by catalytic reduction | |
JPS528977A (en) | Process for removing nitrogen oxides |