JP2020536727A - NOx吸収体およびSCR触媒の組み合わせ - Google Patents

NOx吸収体およびSCR触媒の組み合わせ Download PDF

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JP2020536727A
JP2020536727A JP2020520590A JP2020520590A JP2020536727A JP 2020536727 A JP2020536727 A JP 2020536727A JP 2020520590 A JP2020520590 A JP 2020520590A JP 2020520590 A JP2020520590 A JP 2020520590A JP 2020536727 A JP2020536727 A JP 2020536727A
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nox
catalyst
composition
substrate
catalyst article
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エイ. パチェット,ジョセフ
エイ. パチェット,ジョセフ
ウェイ,シンイー
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BASF Corp
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024012293A (ja) * 2017-10-12 2024-01-30 ビーエーエスエフ コーポレーション NOx吸収体およびSCR触媒の組み合わせ

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020254208A1 (en) * 2019-06-21 2020-12-24 Climeworks Ag Adsorber structure for gas separation processes
US11187127B2 (en) 2019-06-28 2021-11-30 Deere & Company Exhaust gas treatment system and method with four-way catalyzed filter element
CN111215137A (zh) * 2020-01-19 2020-06-02 中节能万润股份有限公司 一种利用afv结构分子筛制备的低温scr蜂窝脱硝催化剂、其制备方法及应用
CN111185225A (zh) * 2020-01-19 2020-05-22 中节能万润股份有限公司 一种利用afv结构分子筛制备的低温scr脱硝催化剂、其制备方法及应用
US12208361B2 (en) * 2020-09-30 2025-01-28 Basf Mobile Emissions Catalysts Llc Catalytic system for the treatment of an exhaust gas of a combustion engine
KR20230116923A (ko) * 2020-12-08 2023-08-04 바스프 코포레이션 다기능 촉매를 포함하는 배기 가스 처리 시스템
KR102476636B1 (ko) * 2020-12-22 2022-12-12 한국에너지기술연구원 저온 활성이 개선된 scr 촉매, 이의 제조 방법, 및 배가스 정화용 촉매
CN112844381B (zh) * 2021-02-01 2021-12-14 四川大学 镁铝尖晶石改性的Pt基汽车尾气催化剂及制备方法和应用
CN115301281B (zh) * 2022-08-17 2023-05-26 四川大学 抗硫抗水的催化剂及其制备方法和应用
KR20250103897A (ko) 2023-12-28 2025-07-08 충남대학교산학협력단 촉매 제조 방법 및 이를 이용해 제조된 촉매

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040076565A1 (en) * 2002-10-22 2004-04-22 Gandhi Haren S. Catalyst system for the reduction of NOx and NH3 emissions
US7062904B1 (en) * 2005-02-16 2006-06-20 Eaton Corporation Integrated NOx and PM reduction devices for the treatment of emissions from internal combustion engines
JP2008030003A (ja) * 2006-07-31 2008-02-14 Honda Motor Co Ltd NOx浄化触媒
WO2016079507A1 (en) * 2014-11-19 2016-05-26 Johnson Matthey Public Limited Company Combining scr with pna for low temperature emission control

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4518710A (en) 1984-01-25 1985-05-21 Uop Inc. Catalyst for the reduction of nitrogen oxides in gaseous mixtures and method of making the catalyst
US5137855A (en) 1988-06-09 1992-08-11 W. R. Grace & Co.-Conn. Catalysts for selective catalytic reduction denox technology
CA2112695A1 (en) 1991-07-29 1993-01-30 Freek Kapteijn Catalyst and catalytic reduction
US5750082A (en) 1995-09-21 1998-05-12 Ford Global Technologies, Inc. Nox trap with improved performance
GB9919013D0 (en) * 1999-08-13 1999-10-13 Johnson Matthey Plc Reactor
US20010049339A1 (en) 2000-04-11 2001-12-06 Adolf Schafer-Sindlinger Process for the preparation of a vanadia SCR-catalyst supported on titania
DE10063220A1 (de) 2000-12-19 2002-06-20 Basf Ag NOx-Speicher-Katalysator, Verfahren zu seiner Herstellung sowie seine Verwendung
US20030073566A1 (en) 2001-10-11 2003-04-17 Marshall Christopher L. Novel catalyst for selective NOx reduction using hydrocarbons
DE10335785A1 (de) * 2003-08-05 2005-03-10 Umicore Ag & Co Kg Katalysatoranordnung und Verfahren zur Reinigung des Abgases von mager betriebenen Verbrennungsmotoren
KR100686381B1 (ko) 2005-09-27 2007-02-22 한국전력기술 주식회사 넓은 활성온도 대역에서 질소산화물 및 다이옥신을제거하기 위한 천연망간광석을 포함하는 바나듐/티타니아계촉매 및 이의 사용방법
GB0620883D0 (en) 2006-10-20 2006-11-29 Johnson Matthey Plc Exhaust system for a lean-burn internal combustion engine
US20080120970A1 (en) 2006-11-29 2008-05-29 Marcus Hilgendorff NOx Storage Materials and Traps Resistant to Thermal Aging
US7998423B2 (en) 2007-02-27 2011-08-16 Basf Corporation SCR on low thermal mass filter substrates
US8181450B2 (en) * 2008-04-30 2012-05-22 Cummins IP. Inc. Apparatus, system, and method for reducing NOx emissions on an SCR catalyst using ammonia storage and slip control
EP2297036B1 (en) 2008-05-21 2014-04-16 Basf Se Process for the direct synthesis of cu containing zeolites having cha structure
US8475752B2 (en) 2008-06-27 2013-07-02 Basf Corporation NOx adsorber catalyst with superior low temperature performance
US9662611B2 (en) 2009-04-03 2017-05-30 Basf Corporation Emissions treatment system with ammonia-generating and SCR catalysts
WO2010121257A1 (en) 2009-04-17 2010-10-21 Johnson Matthey Public Limited Company Small pore molecular sieve supported copper catalysts durable against lean/rich aging for the reduction of nitrogen oxides
GB2475740B (en) * 2009-11-30 2017-06-07 Johnson Matthey Plc Catalysts for treating transient NOx emissions
US9352307B2 (en) 2010-04-08 2016-05-31 Basf Corporation Cu-CHA/Fe-MFI mixed zeolite catalyst and process for the treatment of NOx in gas streams
US8293182B2 (en) 2010-05-05 2012-10-23 Basf Corporation Integrated SCR and AMOx catalyst systems
US8784759B2 (en) 2010-06-10 2014-07-22 Basf Se NOx storage catalyst with reduced Rh loading
GB201021649D0 (en) 2010-12-21 2011-02-02 Johnson Matthey Plc NOx Absorber catalyst
US8101146B2 (en) 2011-04-08 2012-01-24 Johnson Matthey Public Limited Company Catalysts for the reduction of ammonia emission from rich-burn exhaust
GB2497597A (en) * 2011-12-12 2013-06-19 Johnson Matthey Plc A Catalysed Substrate Monolith with Two Wash-Coats
EP2802408B1 (en) 2011-12-22 2017-10-04 Johnson Matthey Public Limited Company Improved nox trap
KR101382544B1 (ko) 2012-07-13 2014-04-10 한국과학기술연구원 질소산화물 제거용 바나디아-티타니아 촉매 및 그 제조방법
CN104755164A (zh) 2012-10-19 2015-07-01 巴斯夫公司 作为高温scr催化剂的8环小孔分子筛
BR112015022359A2 (pt) 2013-03-13 2017-07-18 Basf Corp catalisador de armazenamento de óxido de nitrogênio, e, sistema
MX2015011264A (es) * 2013-03-14 2016-04-28 Basf Corp Sistema de catalizadores para reduccion catalitica selectiva.
KR102277783B1 (ko) * 2013-09-16 2021-07-15 존슨 맛쎄이 퍼블릭 리미티드 컴파니 변형된 희박 NOx 트랩을 갖는 배기 시스템
WO2015084834A1 (en) 2013-12-02 2015-06-11 Johnson Matthey Public Limited Company Synthesis of aei zeolite
EP3077112B1 (en) 2013-12-06 2022-02-16 Johnson Matthey Public Limited Company Exhaust gas catalyst containing two different palladium-molecular sieve catalysts
RU2675905C1 (ru) 2013-12-06 2018-12-25 Джонсон Мэтти Паблик Лимитед Компани ПАССИВНЫЙ АДСОРБЕНТ NOx, СОДЕРЖАЩИЙ БЛАГОРОДНЫЙ МЕТАЛЛ И МЕЛКОПОРИСТОЕ МОЛЕКУЛЯРНОЕ СИТО
GB201401115D0 (en) * 2014-01-23 2014-03-12 Johnson Matthey Plc Diesel oxidation catalyst and exhaust system
KR20170038927A (ko) * 2014-08-07 2017-04-07 존슨 맛쎄이 퍼블릭 리미티드 컴파니 배기가스를 처리하기 위한 구역화된 촉매
JP6408920B2 (ja) * 2015-01-21 2018-10-17 本田技研工業株式会社 内燃機関の排気浄化システム
US10124322B2 (en) 2015-02-11 2018-11-13 Umicore Ag & Co. Kg Lean NOx traps, trapping materials, washcoats, and methods of making and using the same
US10226754B2 (en) 2015-03-03 2019-03-12 Basf Corporation Lean NOx trap with enhanced high and low temperature performance
EP3600657B1 (en) * 2017-03-30 2022-02-16 Johnson Matthey Public Limited Company Single brick scr/asc/pna/doc close-coupled catalyst
KR20200055744A (ko) * 2017-10-12 2020-05-21 바스프 코포레이션 조합된 NOx 흡수제 및 SCR 촉매

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040076565A1 (en) * 2002-10-22 2004-04-22 Gandhi Haren S. Catalyst system for the reduction of NOx and NH3 emissions
US7062904B1 (en) * 2005-02-16 2006-06-20 Eaton Corporation Integrated NOx and PM reduction devices for the treatment of emissions from internal combustion engines
JP2008030003A (ja) * 2006-07-31 2008-02-14 Honda Motor Co Ltd NOx浄化触媒
WO2016079507A1 (en) * 2014-11-19 2016-05-26 Johnson Matthey Public Limited Company Combining scr with pna for low temperature emission control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024012293A (ja) * 2017-10-12 2024-01-30 ビーエーエスエフ コーポレーション NOx吸収体およびSCR触媒の組み合わせ

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