CN103648643B - 用于处理废气的pgm催化剂 - Google Patents
用于处理废气的pgm催化剂 Download PDFInfo
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- CN103648643B CN103648643B CN201280034827.3A CN201280034827A CN103648643B CN 103648643 B CN103648643 B CN 103648643B CN 201280034827 A CN201280034827 A CN 201280034827A CN 103648643 B CN103648643 B CN 103648643B
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- catalyst
- pgm
- molecular sieve
- exhaust gas
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Families Citing this family (65)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9114376B2 (en) * | 2011-06-05 | 2015-08-25 | Johnson Matthey Public Limited Company | Platinum group metal (PGM) catalyst for treating exhaust gas |
| GB201200783D0 (en) * | 2011-12-12 | 2012-02-29 | Johnson Matthey Plc | Substrate monolith comprising SCR catalyst |
| CN104936679B (zh) | 2013-02-14 | 2017-08-18 | 托普索公司 | 用于从烟道气或废气中同时除去一氧化碳和氮氧化物的方法和催化剂 |
| WO2014141200A1 (en) * | 2013-03-15 | 2014-09-18 | Johnson Matthey Public Limited Company | Catalyst for treating exhaust gas |
| 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 |
| GB2556231B (en) * | 2013-07-30 | 2019-04-03 | Johnson Matthey Plc | Ammonia slip catalyst |
| JP6394601B2 (ja) * | 2013-08-05 | 2018-09-26 | 三菱ケミカル株式会社 | ゼオライト及びその製造方法と用途 |
| EP3077107B1 (en) * | 2013-12-02 | 2023-07-26 | Johnson Matthey Public Limited Company | Synthesis of aei zeolite |
| US10005075B2 (en) * | 2013-12-06 | 2018-06-26 | Johnson Matthey Public Limited Company | Passive NOx adsorber |
| CA2969362A1 (en) | 2013-12-06 | 2015-06-11 | Danmarks Tekniske Universitet | Catalyst for ammonia oxidation |
| US9744529B2 (en) * | 2014-03-21 | 2017-08-29 | Basf Corporation | Integrated LNT-TWC catalyst |
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| US9937489B2 (en) * | 2015-06-18 | 2018-04-10 | Johnson Matthey Public Limited Company | Exhaust system without a DOC having an ASC acting as a DOC in a system with an SCR catalyst before the ASC |
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| WO2018221691A1 (ja) | 2017-05-31 | 2018-12-06 | 国立大学法人北海道大学 | 機能性構造体及び機能性構造体の製造方法 |
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| TWI860668B (zh) * | 2023-03-31 | 2024-11-01 | 鼎佳能源股份有限公司 | 可將空氣中之氫氣氧化的觸媒結構和氫氣氧化裝置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100111791A1 (en) * | 2008-11-03 | 2010-05-06 | Basf Catalysts Llc | Bimetallic Catalysts for Selective Ammonia Oxidation |
| GB2475740A (en) * | 2009-11-30 | 2011-06-01 | Johnson Matthey Plc | An SCR catalyst comprising two molecular sieve components |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3226339A (en) * | 1958-11-17 | 1965-12-28 | Socony Mobil Oil Co Inc | Process for preparing a platinum metalcrystalline zeolite catalyst |
| US3373110A (en) * | 1966-04-14 | 1968-03-12 | Mobil Oil Corp | Process for the preparation of platinum metal containing aluminosilicates |
| US4544538A (en) | 1982-07-09 | 1985-10-01 | Chevron Research Company | Zeolite SSZ-13 and its method of preparation |
| US4582650A (en) * | 1985-02-11 | 1986-04-15 | Monsanto Company | Oxidation with encapsulated co-catalyst |
| US4724275A (en) * | 1985-07-01 | 1988-02-09 | National Distillers And Chemical Corporation | Crystalline aluminosilicates and their use in the conversion of methanol to low molecular weight hydrocarbons |
| JP3157555B2 (ja) * | 1991-09-24 | 2001-04-16 | マツダ株式会社 | 排気ガス浄化用触媒 |
| US5391533A (en) * | 1993-02-19 | 1995-02-21 | Amtx, Inc. | Catalyst system for producing chlorine dioxide |
| EP0633052B1 (en) | 1993-07-09 | 1997-04-23 | N.E. Chemcat Corporation | Catalyst for purifying exhaust gas and method for purifying exhaust gas |
| JPH0768181A (ja) * | 1993-07-09 | 1995-03-14 | N E Chemcat Corp | 排気ガスの浄化用触媒および浄化方法 |
| US6667018B2 (en) * | 1994-07-05 | 2003-12-23 | Ngk Insulators, Ltd. | Catalyst-adsorbent for purification of exhaust gases and method for purification of exhaust gases |
| AU3475797A (en) * | 1996-05-29 | 1998-01-05 | Exxon Chemical Patents Inc. | Metal-containing zeolite catalyst, preparation thereof and use for hydrocarbon conversion |
| FR2754468B1 (fr) * | 1996-10-10 | 2001-12-14 | Gaz De France | Catalyseur, en particulier de reduction des nox, et procede de reduction des nox |
| ATE307661T1 (de) * | 2000-03-01 | 2005-11-15 | Umicore Ag & Co Kg | Katalysator für die reinigung der abgase von dieselmotoren und verfahren zu seiner herstellung |
| WO2008106523A2 (en) * | 2007-02-27 | 2008-09-04 | Basf Catalysts Llc | Bifunctional catalysts for selective ammonia oxidation |
| US9114376B2 (en) * | 2011-06-05 | 2015-08-25 | Johnson Matthey Public Limited Company | Platinum group metal (PGM) catalyst for treating exhaust gas |
-
2012
- 2012-06-05 US US14/124,075 patent/US9114376B2/en active Active
- 2012-06-05 EP EP12727049.4A patent/EP2718010B1/en active Active
- 2012-06-05 BR BR112013031349A patent/BR112013031349A2/pt not_active Application Discontinuation
- 2012-06-05 CN CN201280034827.3A patent/CN103648643B/zh active Active
- 2012-06-05 CN CN201610832331.0A patent/CN106423258B/zh active Active
- 2012-06-05 KR KR1020197000488A patent/KR102018484B1/ko not_active Expired - Fee Related
- 2012-06-05 JP JP2014513802A patent/JP6073298B2/ja not_active Expired - Fee Related
- 2012-06-05 WO PCT/US2012/040909 patent/WO2012170421A1/en not_active Ceased
- 2012-06-05 KR KR1020137035084A patent/KR101938432B1/ko not_active Expired - Fee Related
- 2012-06-05 RU RU2013158339A patent/RU2665464C2/ru not_active IP Right Cessation
-
2015
- 2015-04-14 US US14/685,793 patent/US9751080B2/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100111791A1 (en) * | 2008-11-03 | 2010-05-06 | Basf Catalysts Llc | Bimetallic Catalysts for Selective Ammonia Oxidation |
| GB2475740A (en) * | 2009-11-30 | 2011-06-01 | Johnson Matthey Plc | An SCR catalyst comprising two molecular sieve components |
Non-Patent Citations (1)
| Title |
|---|
| Ruthenium-containing small-size zeolites for shape-selective catalysis;Stefan Altwasser et al.;《Microporous and Mesoporous Materials》;20070301;第104卷;摘要,"2.1沸石合成"部分最后1段,"3.1.2其他小孔分子筛"部分最后1段,表1,图3 * |
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| US20150217282A1 (en) | 2015-08-06 |
| CN103648643A (zh) | 2014-03-19 |
| WO2012170421A1 (en) | 2012-12-13 |
| KR101938432B1 (ko) | 2019-01-14 |
| KR102018484B1 (ko) | 2019-09-05 |
| US9114376B2 (en) | 2015-08-25 |
| CN106423258A (zh) | 2017-02-22 |
| CN106423258B (zh) | 2019-03-08 |
| EP2718010B1 (en) | 2024-10-02 |
| BR112013031349A2 (pt) | 2016-11-29 |
| RU2013158339A (ru) | 2015-07-20 |
| KR20140049992A (ko) | 2014-04-28 |
| RU2665464C2 (ru) | 2018-08-30 |
| US20140170045A1 (en) | 2014-06-19 |
| JP6073298B2 (ja) | 2017-02-01 |
| KR20190006077A (ko) | 2019-01-16 |
| EP2718010A1 (en) | 2014-04-16 |
| US9751080B2 (en) | 2017-09-05 |
| JP2014522308A (ja) | 2014-09-04 |
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