JP6134094B2 - 窒素酸化物の除去方法 - Google Patents
窒素酸化物の除去方法 Download PDFInfo
- Publication number
- JP6134094B2 JP6134094B2 JP2011242619A JP2011242619A JP6134094B2 JP 6134094 B2 JP6134094 B2 JP 6134094B2 JP 2011242619 A JP2011242619 A JP 2011242619A JP 2011242619 A JP2011242619 A JP 2011242619A JP 6134094 B2 JP6134094 B2 JP 6134094B2
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- JP
- Japan
- Prior art keywords
- ammonia
- exhaust gas
- nitrogen
- temperature
- nitrogen oxides
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
Description
4NO+4NH3+O2 → 4N2+6H2O ・・・ (1)
Claims (2)
- 一酸化窒素および二酸化窒素よりなる群から選ばれる少なくとも一種の窒素酸化物と酸素を含有する排ガスであって、前記窒素酸化物の濃度が容量基準で50〜1000ppmである排ガスを、無触媒下、925℃以上1200℃以下の温度で0.8秒以上10.0秒以下アンモニアと接触させ、前記アンモニアを、前記窒素酸化物の1.0倍モル以上3.0倍モル以下供給して、窒素酸化物を分解し、未反応のアンモニアの量が供給したアンモニアの量の1%未満であることを特徴とする窒素酸化物の除去方法。
- 前記排ガスを1.0秒以上アンモニアと接触させる請求項1に記載の窒素酸化物の除去方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011242619A JP6134094B2 (ja) | 2011-11-04 | 2011-11-04 | 窒素酸化物の除去方法 |
IN3249CHN2014 IN2014CN03249A (ja) | 2011-11-04 | 2012-11-02 | |
PCT/JP2012/078535 WO2013065850A1 (ja) | 2011-11-04 | 2012-11-02 | 窒素酸化物の除去方法 |
US14/353,644 US9138680B2 (en) | 2011-11-04 | 2012-11-02 | Method for removing nitrogen oxides |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011242619A JP6134094B2 (ja) | 2011-11-04 | 2011-11-04 | 窒素酸化物の除去方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013094765A JP2013094765A (ja) | 2013-05-20 |
JP6134094B2 true JP6134094B2 (ja) | 2017-05-24 |
Family
ID=48192187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011242619A Active JP6134094B2 (ja) | 2011-11-04 | 2011-11-04 | 窒素酸化物の除去方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9138680B2 (ja) |
JP (1) | JP6134094B2 (ja) |
IN (1) | IN2014CN03249A (ja) |
WO (1) | WO2013065850A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7304804B2 (ja) | 2019-12-20 | 2023-07-07 | 株式会社Nippo | 骨材乾燥装置及び骨材乾燥方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9394294B2 (en) | 2010-05-11 | 2016-07-19 | Demerx, Inc. | Methods and compositions for preparing and purifying noribogaine |
RU2586296C2 (ru) | 2010-07-23 | 2016-06-10 | Демеркс, Инк. | Композиции норибогаина |
EP2481740B1 (en) | 2011-01-26 | 2015-11-04 | DemeRx, Inc. | Methods and compositions for preparing noribogaine from voacangine |
EP2807168A4 (en) | 2012-01-25 | 2015-10-14 | Demerx Inc | SYNTHETIC VOACANGINE |
CA2896133A1 (en) | 2012-12-20 | 2014-06-26 | Demerx, Inc. | Substituted noribogaine |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA989141A (en) * | 1971-10-21 | 1976-05-18 | Arnold M. Eisenberg | Process for destruction of nitrogen oxides |
US3900554A (en) * | 1973-03-16 | 1975-08-19 | Exxon Research Engineering Co | Method for the reduction of the concentration of no in combustion effluents using ammonia |
JPS5214001B2 (ja) | 1973-08-02 | 1977-04-19 | ||
NL167334C (nl) * | 1975-01-13 | Mitsubishi Chem Ind | Werkwijze voor het verwijderen van stikstofoxyden uit een verbrandingsgas, in afwezigheid van een katalysator en in aanwezigheid van een ammoniakbron en zuurstof. | |
US4216060A (en) * | 1978-05-10 | 1980-08-05 | Mitsubishi Kasei Kogyo Kabushiki Kaisha | Horizontal type coke ovens |
DE2832397B1 (de) * | 1978-07-24 | 1979-11-29 | Didier Eng | Verfahren zur Senkung des Stickoxidgehaltes von Koksofenabgasen sowie Regenerativ-Verkokungsofen zur Durchfuehrung dieses Verfahrens |
US4328020A (en) * | 1980-11-24 | 1982-05-04 | Ppg Industries, Inc. | Melting glass with reduced NOx emissions |
US4636370A (en) * | 1983-11-10 | 1987-01-13 | Exxon Research & Engineering Company | Non-catalytic method for reducing the concentration of NO in combustion effluents by injection of ammonia at temperatures from about 975 degrees K. to 1300 degrees K. |
US4693874A (en) * | 1985-03-22 | 1987-09-15 | Hurst Boyd E | Method for reducing gas turbine NOx emissions |
JPS6480428A (en) * | 1987-09-22 | 1989-03-27 | Mitsubishi Heavy Ind Ltd | Denitration equipment of combustion exhaust gas |
JPH0365216A (ja) * | 1989-08-04 | 1991-03-20 | Nkk Corp | 無触媒アンモニア脱硝用2段希釈装置 |
JPH03267116A (ja) * | 1990-03-14 | 1991-11-28 | Nkk Corp | 排ガス中の窒素酸化物を分解する方法 |
JP3051493B2 (ja) * | 1991-05-17 | 2000-06-12 | 三菱重工業株式会社 | 窒素酸化物の浄化方法 |
JP3558737B2 (ja) * | 1995-06-08 | 2004-08-25 | バブコック日立株式会社 | 排ガス脱硝方法と排ガス処理方法 |
US5820838A (en) | 1996-09-27 | 1998-10-13 | Foster Wheeler Energia Oy | Method and an apparatus for injection of NOx reducing agent |
US5985222A (en) * | 1996-11-01 | 1999-11-16 | Noxtech, Inc. | Apparatus and method for reducing NOx from exhaust gases produced by industrial processes |
US5893940A (en) * | 1997-05-05 | 1999-04-13 | Ppg Industries, Inc. | Reduction of NOx emissions in a glass melting furnace |
DE59808917D1 (de) * | 1998-09-23 | 2003-08-07 | Alstom | Verfahren zur Entstickung von Rauchgasen |
JP2002068734A (ja) | 2000-08-24 | 2002-03-08 | Mitsubishi Heavy Ind Ltd | アンモニアの発生方法及び燃焼排ガスの処理方法 |
US20060198779A1 (en) * | 2002-06-05 | 2006-09-07 | Hurst Boyd E | Selective non-catalytic reduction of NOx |
JP4760702B2 (ja) * | 2006-12-27 | 2011-08-31 | 日立造船株式会社 | ノントランスファ式灰溶融炉排ガスの無触媒脱硝におけるリークアンモニア低減方法 |
US8815193B1 (en) * | 2013-04-29 | 2014-08-26 | Southwest Research Institute | Selective non-catalytic reduction for NOx removal |
-
2011
- 2011-11-04 JP JP2011242619A patent/JP6134094B2/ja active Active
-
2012
- 2012-11-02 WO PCT/JP2012/078535 patent/WO2013065850A1/ja active Application Filing
- 2012-11-02 US US14/353,644 patent/US9138680B2/en active Active
- 2012-11-02 IN IN3249CHN2014 patent/IN2014CN03249A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7304804B2 (ja) | 2019-12-20 | 2023-07-07 | 株式会社Nippo | 骨材乾燥装置及び骨材乾燥方法 |
Also Published As
Publication number | Publication date |
---|---|
IN2014CN03249A (ja) | 2015-07-03 |
US20140286845A1 (en) | 2014-09-25 |
JP2013094765A (ja) | 2013-05-20 |
WO2013065850A1 (ja) | 2013-05-10 |
US9138680B2 (en) | 2015-09-22 |
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