JP2008279334A5 - - Google Patents
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- Publication number
- JP2008279334A5 JP2008279334A5 JP2007124152A JP2007124152A JP2008279334A5 JP 2008279334 A5 JP2008279334 A5 JP 2008279334A5 JP 2007124152 A JP2007124152 A JP 2007124152A JP 2007124152 A JP2007124152 A JP 2007124152A JP 2008279334 A5 JP2008279334 A5 JP 2008279334A5
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- exhaust gas
- component
- selective reduction
- catalyst layer
- 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
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- 239000003054 catalyst Substances 0.000 claims 44
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims 19
- 239000007789 gas Substances 0.000 claims 17
- 239000010410 layer Substances 0.000 claims 16
- 238000006722 reduction reaction Methods 0.000 claims 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 11
- 230000003647 oxidation Effects 0.000 claims 8
- 238000007254 oxidation reaction Methods 0.000 claims 8
- 229910021529 ammonia Inorganic materials 0.000 claims 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 4
- 239000004202 carbamide Substances 0.000 claims 4
- 229910021536 Zeolite Inorganic materials 0.000 claims 3
- 238000010531 catalytic reduction reaction Methods 0.000 claims 3
- 238000002485 combustion reaction Methods 0.000 claims 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims 3
- 239000002346 layers by function Substances 0.000 claims 3
- 230000001590 oxidative effect Effects 0.000 claims 3
- 238000000746 purification Methods 0.000 claims 3
- 238000005507 spraying Methods 0.000 claims 3
- 239000010457 zeolite Substances 0.000 claims 3
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims 2
- 239000007864 aqueous solution Substances 0.000 claims 2
- 239000002131 composite material Substances 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 2
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims 2
- 229910000314 transition metal oxide Inorganic materials 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims 1
- 229910052684 Cerium Inorganic materials 0.000 claims 1
- 229910002089 NOx Inorganic materials 0.000 claims 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 235000011114 ammonium hydroxide Nutrition 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 claims 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 229930195733 hydrocarbon Natural products 0.000 claims 1
- 150000002430 hydrocarbons Chemical class 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 claims 1
- 229910052697 platinum Inorganic materials 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 239000002344 surface layer Substances 0.000 claims 1
- 229910001887 tin oxide Inorganic materials 0.000 claims 1
- QHGNHLZPVBIIPX-UHFFFAOYSA-N tin(ii) oxide Chemical class [Sn]=O QHGNHLZPVBIIPX-UHFFFAOYSA-N 0.000 claims 1
- 229910001930 tungsten oxide Inorganic materials 0.000 claims 1
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007124152A JP5110954B2 (ja) | 2007-05-09 | 2007-05-09 | 選択還元型触媒を用いた排気ガス浄化触媒装置並びに排気ガス浄化方法 |
| EP08007632.6A EP1992409B1 (en) | 2007-05-09 | 2008-04-18 | Selective catalytic reduction type catalyst, and exhaust gas purification equipment and purifying process of exhaust gas using the same |
| US12/149,575 US7906449B2 (en) | 2007-05-09 | 2008-05-05 | Selective catalytic reduction type catalyst |
| US12/662,147 US8636959B2 (en) | 2007-05-09 | 2010-04-01 | Selective catalytic reduction type catalyst, and exhaust gas purification equipment and purifying process of exhaust gas using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007124152A JP5110954B2 (ja) | 2007-05-09 | 2007-05-09 | 選択還元型触媒を用いた排気ガス浄化触媒装置並びに排気ガス浄化方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008279334A JP2008279334A (ja) | 2008-11-20 |
| JP2008279334A5 true JP2008279334A5 (cg-RX-API-DMAC7.html) | 2009-09-17 |
| JP5110954B2 JP5110954B2 (ja) | 2012-12-26 |
Family
ID=39619637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007124152A Active JP5110954B2 (ja) | 2007-05-09 | 2007-05-09 | 選択還元型触媒を用いた排気ガス浄化触媒装置並びに排気ガス浄化方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7906449B2 (cg-RX-API-DMAC7.html) |
| EP (1) | EP1992409B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP5110954B2 (cg-RX-API-DMAC7.html) |
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| KR20090114480A (ko) | 2007-02-27 | 2009-11-03 | 바스프 카탈리스트 엘엘씨 | 선택적 암모니아 산화를 위한 이원기능 촉매 |
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| EP2492464B1 (en) | 2009-10-20 | 2015-09-09 | Toyota Jidosha Kabushiki Kaisha | Exhaust emission purification system of internal combustion engine |
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| JP3185448B2 (ja) * | 1993-03-11 | 2001-07-09 | 日産自動車株式会社 | 排気ガス浄化用触媒 |
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| JP3793283B2 (ja) | 1996-06-20 | 2006-07-05 | バブコック日立株式会社 | 排ガス浄化用触媒およびそれを用いた排ガス浄化装置 |
| US6093378A (en) * | 1997-05-07 | 2000-07-25 | Engelhard Corporation | Four-way diesel exhaust catalyst and method of use |
| GB9802504D0 (en) | 1998-02-06 | 1998-04-01 | Johnson Matthey Plc | Improvements in emission control |
| JP4703818B2 (ja) * | 2000-06-20 | 2011-06-15 | 株式会社アイシーティー | 排気ガス浄化用触媒および排気ガス浄化方法 |
| US7438878B2 (en) | 2001-03-12 | 2008-10-21 | Basf Catalysts Llc | Selective catalytic reduction of N2O |
| US6914026B2 (en) | 2001-09-07 | 2005-07-05 | Engelhard Corporation | Hydrothermally stable metal promoted zeolite beta for NOx reduction |
| JP3855266B2 (ja) * | 2001-11-01 | 2006-12-06 | 日産自動車株式会社 | 排気ガス浄化用触媒 |
| JP3915694B2 (ja) * | 2002-01-24 | 2007-05-16 | 日産自動車株式会社 | 排気ガス浄化用触媒及びその製造方法 |
| JP2003290629A (ja) * | 2002-04-02 | 2003-10-14 | Nissan Motor Co Ltd | 排ガス浄化システム |
| JP4460844B2 (ja) * | 2003-04-17 | 2010-05-12 | 株式会社アイシーティー | 排ガス浄化用触媒および排気ガスの浄化方法 |
| US7490464B2 (en) * | 2003-11-04 | 2009-02-17 | Basf Catalysts Llc | Emissions treatment system with NSR and SCR catalysts |
| EP1685891A4 (en) * | 2003-11-11 | 2009-03-11 | Honda Motor Co Ltd | METHOD FOR CATALYSIS REDUCTION OF NITROGEN OXIDE AND CORRESPONDING CATALYST |
| JP4427356B2 (ja) | 2004-02-27 | 2010-03-03 | 東京濾器株式会社 | 窒素酸化物浄化用触媒システム及び窒素酸化物浄化方法 |
| JP2006021141A (ja) | 2004-07-08 | 2006-01-26 | Nissan Motor Co Ltd | 排ガス浄化用触媒及びその調製方法 |
| JP4681922B2 (ja) * | 2005-04-01 | 2011-05-11 | エヌ・イーケムキャット株式会社 | 排気ガス浄化用酸化触媒、及びそれを用いた排気ガス浄化システム |
| JP2006305423A (ja) * | 2005-04-26 | 2006-11-09 | Toyota Central Res & Dev Lab Inc | ＮＯｘ選択還元触媒 |
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| US20100166628A1 (en) * | 2006-02-15 | 2010-07-01 | Nicola Soeger | Catalyst for reducing nitrogen-containing pollutants from the exhaust gases of diesel engines |
| JP5345530B2 (ja) * | 2006-07-08 | 2013-11-20 | ユミコア・アクチエンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト | 還元剤としてのアンモニアの使用下でリーンバーンエンジンの排ガス中の窒素酸化物を還元するための構造化ｓｃｒ触媒 |
| ATE464458T1 (de) * | 2007-02-23 | 2010-04-15 | Umicore Ag & Co Kg | Katalytisch aktiviertes dieselpartikelfilter mit ammoniak-sperrwirkung |
-
2007
- 2007-05-09 JP JP2007124152A patent/JP5110954B2/ja active Active
-
2008
- 2008-04-18 EP EP08007632.6A patent/EP1992409B1/en active Active
- 2008-05-05 US US12/149,575 patent/US7906449B2/en active Active
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