RU2013116740A - Катализатор для удаления оксидов азота из отработавших газов дизельных двигателей - Google Patents

Катализатор для удаления оксидов азота из отработавших газов дизельных двигателей Download PDF

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RU2013116740A
RU2013116740A RU2013116740/06A RU2013116740A RU2013116740A RU 2013116740 A RU2013116740 A RU 2013116740A RU 2013116740/06 A RU2013116740/06 A RU 2013116740/06A RU 2013116740 A RU2013116740 A RU 2013116740A RU 2013116740 A RU2013116740 A RU 2013116740A
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oxide
alkali metal
zeolite
strontium
barium
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RU2013116740/06A
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RU2584748C2 (ru
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Пауль ШПУРК
Никола ЗЁГЕР
Елена МЮЛЛЕР
Штефан МАЛЬМБЕРГ
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Умикоре Аг Унд Ко. Кг
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Abstract

1. Катализатор для удаления оксидов азота из отработавших газов (ОГ) дизельных двигателей, состоящий из носителя длиной L и каталитически активного покрытия из одной или нескольких материальных зон, содержащих- цеолит или цеолитоподобное соединение, содержащий/содержащее медь в количестве от 1 до 10 мас.% в пересчете на всю его массу и выбранный/выбранное из группы, включающей шабазит, SAPO-34, ALPO-34 и β-цеолит, и- по меньшей мере одно соединение, выбранное из группы, включающей оксид бария, гидроксид бария, карбонат бария, оксид стронция, гидроксид стронция, карбонат стронция, оксид празеодима, оксид лантана, оксид магния, смешанный оксид магния и алюминия, оксид щелочного металла, гидроксид щелочного металла, карбонат щелочного металла и их смеси.2. Катализатор по п. 1, отличающийся тем, что цеолит, соответственно цеолитоподобное соединение, имеет средний размер пор менее 4 ангстрем и выбран/выбрано из группы, включающей шабазит, SAPO-34 и ALPO-34.3. Катализатор по п. 1 или 2, отличающийся тем, что каталитически активное покрытие дополнительно содержит оксид церия и/или смешанный оксид церия и циркония.4. Катализатор по п. 3, отличающийся тем, что оксид церия и/или смешанный оксид церия и циркония служит оксидным носителем для соединения, выбранного из группы, включающей оксид бария, гидроксид бария, карбонат бария, оксид стронция, гидроксид стронция, карбонат стронция, оксид празеодима, оксид лантана, оксид магния, смешанный оксид магния и алюминия, оксид щелочного металла, гидроксид щелочного металла, карбонат щелочного металла и их смеси.5. Катализатор по пп. 1, 2 или 4, отличающийся тем, что каталитически активное покрытие дополнитель�

Claims (14)

1. Катализатор для удаления оксидов азота из отработавших газов (ОГ) дизельных двигателей, состоящий из носителя длиной L и каталитически активного покрытия из одной или нескольких материальных зон, содержащих
- цеолит или цеолитоподобное соединение, содержащий/содержащее медь в количестве от 1 до 10 мас.% в пересчете на всю его массу и выбранный/выбранное из группы, включающей шабазит, SAPO-34, ALPO-34 и β-цеолит, и
- по меньшей мере одно соединение, выбранное из группы, включающей оксид бария, гидроксид бария, карбонат бария, оксид стронция, гидроксид стронция, карбонат стронция, оксид празеодима, оксид лантана, оксид магния, смешанный оксид магния и алюминия, оксид щелочного металла, гидроксид щелочного металла, карбонат щелочного металла и их смеси.
2. Катализатор по п. 1, отличающийся тем, что цеолит, соответственно цеолитоподобное соединение, имеет средний размер пор менее 4 ангстрем и выбран/выбрано из группы, включающей шабазит, SAPO-34 и ALPO-34.
3. Катализатор по п. 1 или 2, отличающийся тем, что каталитически активное покрытие дополнительно содержит оксид церия и/или смешанный оксид церия и циркония.
4. Катализатор по п. 3, отличающийся тем, что оксид церия и/или смешанный оксид церия и циркония служит оксидным носителем для соединения, выбранного из группы, включающей оксид бария, гидроксид бария, карбонат бария, оксид стронция, гидроксид стронция, карбонат стронция, оксид празеодима, оксид лантана, оксид магния, смешанный оксид магния и алюминия, оксид щелочного металла, гидроксид щелочного металла, карбонат щелочного металла и их смеси.
5. Катализатор по пп. 1, 2 или 4, отличающийся тем, что каталитически активное покрытие дополнительно содержит один или несколько благородных металлов, выбранных из группы, включающей платину, палладий, родий, иридий, рутений, золото, серебро и их смеси и/или сплавы.
6. Катализатор по пп. 1, 2 или 4, отличающийся тем, что каталитически активное покрытие состоит из двух материальных зон, при этом первая материальная зона содержит цеолит, соответственно цеолитоподобное соединение, тогда как соединение, выбранное из группы, включающей оксид бария, гидроксид бария, карбонат бария, оксид стронция, гидроксид стронция, карбонат стронция, оксид празеодима, оксид лантана, оксид магния, смешанный оксид магния и алюминия, оксид щелочного металла, гидроксид щелочного металла, карбонат щелочного металла и их смеси, содержится во второй материальной зоне.
7. Катализатор по п. 5, отличающийся тем, что каталитически активное покрытие состоит из двух материальных зон, при этом первая материальная зона содержит цеолит, соответственно цеолитоподобное соединение, тогда как благородный металл, выбранный из группы, включающей платину, палладий, родий, иридий, рутений, золото, серебро и их смеси и/или сплавы, содержится во второй материальной зоне.
8. Катализатор по п. 7, отличающийся тем, что вторая материальная зона нанесена непосредственно на носитель и занимает всю его длину L, а первая материальная зона нанесена поверх второй материальной зоны и полностью покрывает ее с обращенной к ОГ стороны.
9. Катализатор по п. 7, отличающийся тем, что обе материальные зоны расположены на носителе последовательно в направлении потока ОГ, при этом вторая материальная зона расположена с входной стороны носителя, а первая материальная зона расположена с его выходной стороны.
10. Катализатор по п. 7, отличающийся тем, что обе материальные зоны расположены на носителе последовательно в направлении потока ОГ, при этом первая материальная зона расположена с входной стороны носителя, а вторая материальная зона расположена с его выходной стороны.
11. Способ удаления оксидов азота из отработавших газов (ОГ) дизельных двигателей, отличающийся тем, что нейтрализуемые ОГ, которые имеют коэффициент избытка воздуха λ более 1, пропускают через катализатор по одному из пп. 1-10.
12. Способ по п. 11, отличающийся тем, что в нейтрализуемые ОГ перед их входом в катализатор добавляют аммиак или разлагающееся до него соединение в качестве восстановителя из независимого от двигателя источника.
13. Способ по п. 11 или 12, отличающийся тем, что нейтрализуемые ОГ дополнительно пропускают через катализатор, который преимущественно ускоряет селективное каталитическое восстановление оксидов азота аммиаком.
14. Устройство для осуществления способа по одному из пп. 11-13, имеющее катализатор по одному из пп. 1-10 и расположенный по ходу потока после него катализатор селективного каталитического восстановления.
RU2013116740/06A 2010-09-13 2011-09-08 Катализатор для удаления оксидов азота из отработавших газов дизельных двигателей RU2584748C2 (ru)

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Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8293182B2 (en) * 2010-05-05 2012-10-23 Basf Corporation Integrated SCR and AMOx catalyst systems
WO2013082550A1 (en) * 2011-12-02 2013-06-06 Pq Corporation Stabilized microporous crystalline material, the method of making the same, and the use for selective catalytic reduction of nox
US9981256B2 (en) 2011-12-02 2018-05-29 Pq Corporation Stabilized microporous crystalline material, the method of making the same, and the use for selective catalytic reduction of NOx
DE102012008108A1 (de) 2012-04-25 2013-10-31 Umicore Ag & Co. Kg Statischer Gasmischer
DE202012004072U1 (de) 2012-04-25 2012-11-15 Umicore Ag & Co. Kg SCR-Testreaktor
KR20150074107A (ko) * 2012-10-19 2015-07-01 바스프 코포레이션 저온 수행성의 개선을 위해 추진제를 갖는 8-고리 소공 분자체
EP3330504B1 (en) * 2012-11-07 2022-09-21 Johnson Matthey Public Limited Company Catalised substrate
GB201221025D0 (en) * 2012-11-22 2013-01-09 Johnson Matthey Plc Zoned catalysed substrate monolith
SE537367C2 (sv) * 2012-12-14 2015-04-14 Scania Cv Ab Katalysator för behandling av avgaser och ett avgassystem som innefattar en sådan katalysator
DE102013003112B4 (de) 2013-02-25 2017-06-14 Umicore Ag & Co. Kg SCR-Katalysator mit verbessertem NOx-Umsatz
JP2014210221A (ja) * 2013-04-17 2014-11-13 株式会社キャタラー Ｓｃｒ触媒および排ガス浄化触媒システム
FR3004660B1 (fr) * 2013-04-17 2017-01-27 Peugeot Citroen Automobiles Sa Dispositif de reduction catalytique selective
JP6204260B2 (ja) * 2013-07-25 2017-09-27 トヨタ自動車株式会社 一酸化窒素還元触媒、一酸化窒素の還元方法、窒素の製造方法、排気ガス浄化触媒、及び排気ガスの浄化方法
US20160199822A1 (en) * 2013-08-30 2016-07-14 Otsuka Chemical Co., Ltd. Exhaust gas purification filter and exhaust gas purification apparatus
BR112016005657B1 (pt) 2013-09-16 2022-03-29 Johnson Matthey Public Limited Company Sistema de escape para tratamento de um gás de escape, e, método para tratar gás de escape de um motor de combustão interna de um veículo
DE102014201263A1 (de) * 2014-01-23 2015-07-23 Johnson Matthey Catalysts (Germany) Gmbh Katalysator
DE112015002186T5 (de) * 2014-05-09 2017-01-19 Johnson Matthey Public Limited Company Ammoniak-Sperrkatalysator mit auf hochporösen Substraten imprägniertem Platin
US10626772B2 (en) 2014-07-18 2020-04-21 Cummins Inc. SCR exhaust aftertreatment apparatus, system and methods including multiple washcoat formulations
EP2985068A1 (de) * 2014-08-13 2016-02-17 Umicore AG & Co. KG Katalysator-System zur Reduktion von Stickoxiden
KR20170063596A (ko) * 2014-09-22 2017-06-08 트라이바허 인두스트리 아게 열적으로 안정한 nh3-scr 촉매 조성물
JP6389420B2 (ja) * 2014-11-12 2018-09-12 株式会社キャタラー 排ガス浄化用触媒
MX2017016527A (es) 2015-06-16 2018-05-28 Basf Se Filtro de hollin catalizado (scr) con catalizador de trampa de nox pobre para usar en una reduccion catalitica selectiva pasiva.
CN107923288B (zh) * 2015-06-24 2021-05-04 巴斯夫公司 分层汽车催化剂复合材料
CN109475816B (zh) 2016-06-10 2022-05-03 庄信万丰股份有限公司 NOx吸附剂催化剂
GB2551332A (en) * 2016-06-10 2017-12-20 Johnson Matthey Plc NOx adsorber catalyst
JP6912468B2 (ja) * 2016-06-23 2021-08-04 エヌ・イーケムキャット株式会社 リーンバーン用触媒
FR3059566B1 (fr) * 2016-12-07 2022-04-22 Ifp Energies Now Fluide de depollution de gaz d'echappement comportant un carbonate metallique basique soluble, son procede de preparation et son utilisation pour les moteurs a combustion interne
JP6693406B2 (ja) * 2016-12-20 2020-05-13 三菱自動車工業株式会社 排気ガス浄化装置
CN110325276A (zh) 2017-02-20 2019-10-11 株式会社科特拉 排气净化用催化剂
CN110382111B (zh) * 2017-03-06 2022-09-23 优美科股份公司及两合公司 包含锰的柴油机氧化催化剂
EP3398678A1 (en) * 2017-05-05 2018-11-07 SASOL Germany GmbH Nox trap catalyst support material composition
US10898889B2 (en) 2018-01-23 2021-01-26 Umicore Ag & Co. Kg SCR catalyst and exhaust gas cleaning system
US11123720B2 (en) 2018-05-18 2021-09-21 Umicore Ag & Co. Kg Hydrocarbon trap catalyst
CN109211884A (zh) * 2018-11-08 2019-01-15 广西玉柴机器股份有限公司 一种化学发光分析仪NOx转化效率快速检测方法
WO2020227455A1 (en) * 2019-05-09 2020-11-12 Basf Corporation Low temperature no x adsorber with enhanced hydrothermal stability
US20230173473A1 (en) 2020-04-28 2023-06-08 Basf Corporation A selective catalytic reduction catalyst for the treatment of an exhaust gas
RU2736265C1 (ru) * 2020-07-14 2020-11-12 Федеральное государственное бюджетное учреждение науки «Федеральный исследовательский центр «Институт катализа им. Г.К. Борескова Сибирского отделения Российской академии наук» (Институт катализа СО РАН, ИК СО РАН) Способ приготовления медьсодержащих цеолитов и их применение
WO2023050324A1 (en) * 2021-09-30 2023-04-06 Basf Corporation Platinum group metal capture materials
CN114433202A (zh) * 2021-12-23 2022-05-06 惠州市瑞合环保科技有限公司 一种柴油机尾气净化scr催化剂及其涂敷工艺
WO2023182270A1 (ja) * 2022-03-22 2023-09-28 三井金属鉱業株式会社 排ガス浄化用触媒

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5100632A (en) * 1984-04-23 1992-03-31 Engelhard Corporation Catalyzed diesel exhaust particulate filter
EP0666099B1 (en) 1993-04-28 2001-07-18 Nippon Shokubai Co., Ltd. Method of removing nitrogen oxides contained in exhaust gas
JPH10180099A (ja) * 1996-12-20 1998-07-07 Ngk Insulators Ltd 排ガス浄化用触媒及び排ガス浄化システム
DE19721440A1 (de) 1997-05-21 1998-11-26 Degussa Verfahren zur Reinigung eines mageren Abgases und Katalysatorsystem hierfür
DE19806062A1 (de) 1998-02-13 1999-08-19 Siemens Ag Reduktionskatalysator und Verfahren zur Reinigung dieselmotorischen Abgases
DE19838282A1 (de) * 1998-08-24 2000-03-02 Degussa Stickoxid-Speichermaterial und daraus hergestellter Stickoxid-Speicherkatalysator
DE10001541B4 (de) * 2000-01-14 2005-04-28 Uhde Gmbh Verfahren zur Beseitigung von NOx und N¶2¶O aus dem Restgas der Salpetersäureproduktion
DE10054877A1 (de) 2000-11-06 2002-05-29 Omg Ag & Co Kg Abgasreinigungsanlage für die selektive katalytische Reduktion von Stickoxiden unter mageren Abgasbedingungen und Verfahren zur Abgasreinigung
DE10104160B4 (de) 2001-01-30 2008-07-10 Umicore Ag & Co. Kg Verfahren zum Betreiben einer Abgasreinigungsanlage für einen Verbrennungsmotor
DE10308287B4 (de) 2003-02-26 2006-11-30 Umicore Ag & Co. Kg Verfahren zur Abgasreinigung
JP2004275814A (ja) * 2003-03-13 2004-10-07 Nissan Motor Co Ltd 排ガス浄化触媒、その製造方法及び排ガス浄化装置
US7160832B2 (en) 2003-06-16 2007-01-09 Umicore Ag & Co. Kg Catalyst system for generating carbon monoxide for use with automotive catalysts
US7485272B2 (en) * 2005-11-30 2009-02-03 Caterpillar Inc. Multi-stage system for selective catalytic reduction
CN101454065A (zh) * 2006-05-31 2009-06-10 尤米科尔股份公司及两合公司 降低柴油发动机废气中含氮污染气体的催化剂
KR20090094466A (ko) 2006-12-23 2009-09-07 우미코레 아게 운트 코 카게 희박 연소 엔진용 배기 방출 제어 시스템 및 시스템 동작 방법
EP1961933B1 (de) * 2007-02-23 2010-04-14 Umicore AG & Co. KG Katalytisch aktiviertes Dieselpartikelfilter mit Ammoniak-Sperrwirkung
EP3401010A1 (en) * 2007-03-26 2018-11-14 PQ Corporation Novel microporous crystalline material comprising a molecular sieve or zeolite having an 8-ring pore opening structure and methods of making and using same
EP2517773B2 (en) * 2007-04-26 2019-08-07 Johnson Matthey Public Limited Company Copper/LEV-zeolite SCR catalyst
JP5590640B2 (ja) * 2007-08-01 2014-09-17 日産自動車株式会社 排気ガス浄化システム
US9993771B2 (en) * 2007-12-12 2018-06-12 Basf Corporation Emission treatment catalysts, systems and methods
US10583424B2 (en) * 2008-11-06 2020-03-10 Basf Corporation Chabazite zeolite catalysts having low silica to alumina ratios
US20110252771A1 (en) * 2008-12-08 2011-10-20 Mitsubishi Heavy Industries, Ltd. Flue gas purifying device
EP2338591B1 (en) * 2009-12-18 2019-06-19 Umicore AG & Co. KG Deactivation-resistant mgo / v2o5-(mo3 or wo3) /tio2 catalyst for selective catalytic reduction of nox
WO2011092523A1 (en) * 2010-02-01 2011-08-04 Johnson Matthey Plc NOx ABSORBER CATALYSTS
US8661788B2 (en) * 2010-12-29 2014-03-04 GM Global Technology Operations LLC Exhaust aftertreatment systems that include an ammonia-SCR catalyst promoted with an oxygen storage material
WO2013082550A1 (en) * 2011-12-02 2013-06-06 Pq Corporation Stabilized microporous crystalline material, the method of making the same, and the use for selective catalytic reduction of nox

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EP2616647A1 (de) 2013-07-24
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US20130156668A1 (en) 2013-06-20
EP2616647B1 (de) 2017-12-27
CN103097682B (zh) 2016-01-20
US8753596B2 (en) 2014-06-17
CN103097682A (zh) 2013-05-08
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