JP6974145B2 - 自動車用触媒後処理システム - Google Patents
自動車用触媒後処理システム Download PDFInfo
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- JP6974145B2 JP6974145B2 JP2017234176A JP2017234176A JP6974145B2 JP 6974145 B2 JP6974145 B2 JP 6974145B2 JP 2017234176 A JP2017234176 A JP 2017234176A JP 2017234176 A JP2017234176 A JP 2017234176A JP 6974145 B2 JP6974145 B2 JP 6974145B2
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Description
本発明は、触媒後処理システム、詳細にはディーゼルエンジンなどの自動車用の触媒後処理システムに関する。より詳細には、本発明は、ディーゼル酸化触媒(DOC)と、ディーゼル酸化触媒(DOC)の下流に位置する再生可能な後処理装置とを組み込んだ触媒後処理システムに関する。本発明はさらに、後処理装置の能動的な熱処理中に、ディーゼル酸化触媒(DOC)の活性を維持する方法、および能動的な熱処理事象中に、ディーゼル酸化触媒(DOC)の消失を回避する方法に関する。
精巧なエンジン管理などの工学的設計と種々の触媒後処理装置とを組み合わせることにより、乗り物からの排気物の高まる規制は満たされてきた。
3種のDOCを同一のブリックを使用して調製し、それらの全ては、PGM総充填量が同一の40gft−3であった。各DOCは、直径が10.5インチ(266.7mm)であり、長さが4インチ(101.6mm)であった。全てのDOCを、オーブンにおいて12.5時間750℃で加熱することにより従来の老化に供したため、DOCは、使用されたDOCを代表するものであった。
各ディーゼル酸化触媒の熱分析は、2200rpmで稼働する、エンジン運転とエンリッチメントとの双方のためのEUV B7燃料(7%バイオ燃料)が供給されたディーゼルエンジンからの排気ガスを通すことにより行われた。エンジンは、DOCの上流の排気管に配置された第7の噴射器が装着された、2500rpmで235kWをもたらす7リットル容量EUVI6シリンダーエンジンであった。
結果を図1〜3に示すが、これらの図は、試験されたDOCの各々について温度を時間(秒)とプロットしたものである。
Claims (10)
- 大型車両用ディーゼルエンジン排気ガス用の触媒後処理システムであって、大型車両用ディーゼルエンジンと、上流端および下流端を有し、直径が4〜15インチ(101.6〜381.0mm)であり、長さが4〜10インチ(101.6〜254.0mm)であるフロースルーモノリスをコーティングするPtとPdとの混合物、またはPtとPdとの合金を含むディーゼル酸化触媒(DOC)と、前記DOCの下流に位置するすすフィルターとを備え、前記すすフィルターは、当該すすフィルターを能動的に再生するために周期的な熱処理と、下流の前記すすフィルター内に発熱による温度上昇を生じさせるために前記DOCへ過多炭化水素燃料を供給するための前記DOCの上流に位置する炭化水素(HC)または燃料噴射器とを必要とし、前記DOCは前記フロースルーモノリスの前記上流端の領域および前記DOCの残部を含み、前記上流端の領域は1〜1.5インチ(25.4〜38.1mm)の長さを有し、前記上流端の領域内のPGM濃度は10〜150gft−3(353〜5297gm−3)であり、前記DOCのPGM総濃度は15〜175gft−3(530〜6180gm−3)であり、前記上流端の領域および前記DOCの前記残部のPt:Pdの重量比が1:1.5〜2:1であり、前記上流端の領域内のPt濃度が前記DOCの前記残部内のPt濃度よりも高く、前記上流端の領域が前記DOCの前記残部よりも高いHCに対する酸化活性を有し、前記DOCが炭化水素吸着剤およびゼオライトを含まない、触媒後処理システム。
- 前記DOCの前記残部が2つまたは3つの領域を含む、請求項1に記載の触媒後処理システム。
- アルミナ、シリカ−アルミナ、セリア、セリア−ジルコニア、またはチタニアの担持材を含む、請求項1または2に記載の触媒後処理システム。
- 前記すすフィルターが選択的接触還元(SCR)触媒を含む、請求項1〜3のいずれか1項に記載の触媒後処理システム。
- ディーゼルエンジンと、請求項1〜4のいずれか1項に記載の触媒後処理システムとを備える乗り物。
- 大型車両用ディーゼルエンジン排気ガス触媒後処理システムにおけるディーゼル酸化触媒(DOC)の下流に位置する後処理装置の能動的熱処理中に、前記DOCの活性を維持する方法であって、前記方法は200〜375℃の排気ガス温度で、前記DOC上に排気ガスを通すことによるものであり、前記DOCは上流端および下流端を有し、直径が4〜15インチ(101.6〜381.0mm)であり、長さが4〜10インチ(101.6〜254.0mm)であるフロースルーモノリスをコーティングするPtとPdとの混合物、またはPtとPdとの合金を含み、前記DOCは前記フロースルーモノリスの前記上流端の領域および前記DOCの残部を含み、前記上流端の領域は1〜1.5インチ(25.4〜38.1mm)の長さを有し、前記上流端の領域内のPGM濃度は10〜150gft−3(353〜5297gm−3)であり、前記DOCのPGM総濃度は15〜175gft−3(530〜6180gm−3)であり、前記上流端の領域および前記DOCの前記残部のPt:Pdの重量比が1:1.5〜2:1であり、前記上流端の領域内のPt濃度が前記DOCの前記残部内のPt濃度よりも高く、前記上流端の領域が前記DOCの前記残部よりも高いHCに対する酸化活性を有し、前記DOCが炭化水素吸着剤およびゼオライトを含まない、方法。
- 大型車両用ディーゼルエンジン排気システムにおいて、ディーゼル酸化触媒(DOC)の下流に位置するすすフィルターの能動的熱処理事象中に、前記DOCの消失を回避する方法であって、前記方法は200〜375℃の排気ガス温度で、前記DOC上に炭化水素(HC)エンリッチ排気ガスを通すことによるものであり、前記DOCは上流端および下流端を有し、直径が4〜15インチ(101.6〜381.0mm)であり、長さが4〜10インチ(101.6〜254.0mm)であるフロースルーモノリスをコーティングするPtとPdとの混合物、またはPtとPdとの合金を含み、前記DOCは前記フロースルーモノリスの前記上流端の領域および前記DOCの残部を含み、前記上流端の領域は1〜1.5インチ(25.4〜38.1mm)の長さを有し、前記上流端の領域内のPGM濃度は10〜150gft−3(353〜5297gm−3)であり、前記DOCのPGM総濃度は15〜175gft−3(530〜6180gm−3)であり、前記上流端の領域および前記DOCの前記残部のPt:Pdの重量比が1:1.5〜2:1であり、前記上流端の領域内のPt濃度が前記DOCの前記残部内のPt濃度よりも高く、前記上流端の領域が前記DOCの前記残部よりも高いHCに対する酸化活性を有し、前記DOCが炭化水素吸着剤およびゼオライトを含まない、方法。
- 前記上流端の領域は、予め触媒で均一にコーティングされたフロースルーモノリスの一部に第2の触媒コーティングを適用する追加の精密コーティング工程を行うことにより調製される、請求項6または7に記載の方法。
- 前記上流端の領域は、予め触媒で均一にコーティングされたフロースルーモノリスの一部を含浸させることにより調製される、請求項6または7に記載の方法。
- 前記上流端の領域は、予め触媒で均一にコーティングされたフロースルーモノリスの一部の触媒ウォッシュコートにより調製される、請求項6または7に記載の方法。
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Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9789442B2 (en) * | 2012-12-13 | 2017-10-17 | Johnson Matthey Public Limited Company | Automotive catalytic aftertreatment system |
KR102227267B1 (ko) * | 2013-07-30 | 2021-03-12 | 존슨 맛쎄이 퍼블릭 리미티드 컴파니 | 암모니아 슬립 촉매 |
GB201315892D0 (en) | 2013-07-31 | 2013-10-23 | Johnson Matthey Plc | Zoned diesel oxidation catalyst |
US9662636B2 (en) * | 2014-04-17 | 2017-05-30 | Basf Corporation | Zoned catalyst composites |
EP3487617B1 (de) * | 2016-07-19 | 2021-09-08 | Umicore AG & Co. KG | Dieseloxidationskatalysator |
JP6865664B2 (ja) | 2017-09-25 | 2021-04-28 | 株式会社キャタラー | 排ガス浄化用酸化触媒装置 |
CN113167475B (zh) * | 2018-11-13 | 2022-11-29 | 庄信万丰股份有限公司 | 电加热的催化燃烧器 |
US11845064B2 (en) * | 2019-06-26 | 2023-12-19 | Johnson Matthey Public Limited Company | Composite, zoned oxidation catalyst for a compression ignition internal combustion engine |
GB201914958D0 (en) | 2019-06-26 | 2019-11-27 | Johnson Matthey Plc | Composite, zoned oxidation catalyst for a compression ignition internal combustion engine |
GB202004769D0 (en) | 2019-10-16 | 2020-05-13 | Johnson Matthey Plc | Composite, zoned oxidation catalyst for a compression ignition internal combustion engine |
EP3888774A1 (en) | 2020-03-31 | 2021-10-06 | Johnson Matthey Public Limited Company | Composite, zone-coated oxidation and exotherm generation catalyst |
BR112022005095A2 (pt) | 2019-10-16 | 2022-06-21 | Johnson Matthey Plc | Motor de combustão interna de ignição |
Family Cites Families (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3910850A (en) | 1973-12-19 | 1975-10-07 | Grace W R & Co | Contoured monolithic substrate |
US4329162A (en) | 1980-07-03 | 1982-05-11 | Corning Glass Works | Diesel particulate trap |
JPS5928010A (ja) | 1982-08-05 | 1984-02-14 | Nippon Denso Co Ltd | 排気ガス浄化用構造物 |
US4849274A (en) | 1987-06-19 | 1989-07-18 | W. R. Grace & Co.-Conn. | Honeycomb fluid conduit |
DE3923985C1 (ja) | 1989-07-20 | 1990-06-28 | Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
WO1994011623A2 (en) | 1992-11-19 | 1994-05-26 | Engelhard Corporation | Method and apparatus for treating an engine exhaust gas stream |
US5330720A (en) | 1993-02-23 | 1994-07-19 | Hughes Aircraft Company | System for detecting fugitive emissions |
EP0622107B1 (en) | 1993-04-28 | 2000-02-09 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purifying catalyst in diesel engines |
US6087298A (en) * | 1996-05-14 | 2000-07-11 | Engelhard Corporation | Exhaust gas treatment system |
CN1077806C (zh) * | 1996-10-04 | 2002-01-16 | 中国科学院大连化学物理研究所 | 负载贵金属微粒的大气净化催化剂及制法 |
GB9805815D0 (en) | 1998-03-19 | 1998-05-13 | Johnson Matthey Plc | Manufacturing process |
WO1999055459A1 (en) | 1998-04-28 | 1999-11-04 | Engelhard Corporation | Monolithic catalysts and related process for manufacture |
ATE306608T1 (de) | 1998-11-13 | 2005-10-15 | Engelhard Corp | Katalysator und verfahren zur reduzierung der abgasemissionen |
JP2003161138A (ja) * | 2001-11-28 | 2003-06-06 | Isuzu Motors Ltd | ディーゼルパティキュレートフィルタ |
JP2003278526A (ja) * | 2002-03-25 | 2003-10-02 | Nissan Motor Co Ltd | 排気微粒子捕集用フィルタ |
DE10300298A1 (de) * | 2003-01-02 | 2004-07-15 | Daimlerchrysler Ag | Abgasnachbehandlungseinrichtung und -verfahren |
DE102004040549B4 (de) * | 2004-08-21 | 2017-03-23 | Umicore Ag & Co. Kg | Katalytisch beschichtetes Partikelfilter und seine Verwendung |
US7779624B2 (en) | 2004-09-08 | 2010-08-24 | Donaldson Company, Inc. | Joint for an engine exhaust system component |
JP4556587B2 (ja) | 2004-09-22 | 2010-10-06 | マツダ株式会社 | 排気ガス浄化装置 |
GB2406803A (en) * | 2004-11-23 | 2005-04-13 | Johnson Matthey Plc | Exhaust system comprising exotherm-generating catalyst |
JP2006204969A (ja) * | 2005-01-25 | 2006-08-10 | Hino Motors Ltd | 排気浄化装置 |
US7398644B2 (en) | 2005-06-15 | 2008-07-15 | Ford Global Technologies, Llc | System and method for reducing NOx emissions in an apparatus having a diesel engine |
GB0600130D0 (en) * | 2006-01-06 | 2006-02-15 | Johnson Matthey Plc | Exhaust system comprising zoned oxidation catalyst |
US7576031B2 (en) | 2006-06-09 | 2009-08-18 | Basf Catalysts Llc | Pt-Pd diesel oxidation catalyst with CO/HC light-off and HC storage function |
JP4889585B2 (ja) * | 2006-07-13 | 2012-03-07 | 株式会社アイシーティー | 内燃機関排気ガスの浄化方法 |
EP2054153B1 (de) * | 2006-08-19 | 2014-01-22 | Umicore AG & Co. KG | Katalytisch beschichteter dieselpartikelfilter, verfahren zu seiner herstellung und seine verwendung |
DE102007008954B4 (de) | 2007-02-21 | 2009-12-17 | Umicore Ag & Co. Kg | Katalysatorsystem und seine Verwendung |
US7797932B2 (en) | 2007-04-30 | 2010-09-21 | Cummins, Inc | Apparatus and system for enhancing aftertreatment regeneration |
US8257659B2 (en) | 2007-07-02 | 2012-09-04 | Cummins Filtration Ip, Inc. | Prevention of face-plugging on aftertreatment devices in exhaust |
US9993771B2 (en) * | 2007-12-12 | 2018-06-12 | Basf Corporation | Emission treatment catalysts, systems and methods |
US9863297B2 (en) * | 2007-12-12 | 2018-01-09 | Basf Corporation | Emission treatment system |
US7926263B2 (en) | 2007-12-20 | 2011-04-19 | GM Global Technology Operations LLC | Regeneration system and method for exhaust aftertreatment devices |
JP2009165922A (ja) * | 2008-01-11 | 2009-07-30 | Toyota Motor Corp | 排ガス浄化用触媒 |
ATE476246T1 (de) | 2008-05-23 | 2010-08-15 | Umicore Ag & Co Kg | Vorrichtung zur reinigung von dieselabgasen |
FR2937882B1 (fr) | 2008-11-03 | 2011-04-08 | Peugeot Citroen Automobiles Sa | Procede de dimensionnement d'un catalyseur d'oxydation. |
WO2010077843A2 (en) * | 2008-12-29 | 2010-07-08 | Basf Catalysts Llc | Oxidation catalyst with low co and hc light-off and systems and methods |
US9440192B2 (en) * | 2009-01-16 | 2016-09-13 | Basf Corporation | Diesel oxidation catalyst and use thereof in diesel and advanced combustion diesel engine systems |
US20100251700A1 (en) * | 2009-04-02 | 2010-10-07 | Basf Catalysts Llc | HC-SCR System for Lean Burn Engines |
US8557203B2 (en) * | 2009-11-03 | 2013-10-15 | Umicore Ag & Co. Kg | Architectural diesel oxidation catalyst for enhanced NO2 generator |
JP5683598B2 (ja) * | 2009-11-12 | 2015-03-11 | 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Umicore AG & Co.KG | 改良型ディーゼル用酸化触媒 |
US8635861B2 (en) | 2009-12-23 | 2014-01-28 | Caterpillar Inc. | Exhaust aftertreatment system |
WO2011082357A2 (en) | 2009-12-31 | 2011-07-07 | Nanostellar, Inc. | Engine exhaust catalysts doped with bismuth or manganese |
US8263033B2 (en) * | 2010-02-23 | 2012-09-11 | Ford Global Technologies, Llc | Palladium-contaning oxidation catalyst |
JP5882916B2 (ja) | 2010-02-23 | 2016-03-09 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 改良された触媒化された煤フィルター |
DE102012005508A1 (de) | 2012-03-17 | 2013-09-19 | Daimler Ag | Katalysatorbauteil einer Kraftfahrzeug-Abgasreinigungsanlage und Verwendung eines Katalysatorbauteils |
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CN103998113A (zh) | 2014-08-20 |
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JP2022176975A (ja) | 2022-11-30 |
BR112014013254A2 (pt) | 2017-06-13 |
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WO2013088152A1 (en) | 2013-06-20 |
KR102025922B1 (ko) | 2019-11-11 |
GB2497669A (en) | 2013-06-19 |
BR112014013254B1 (pt) | 2021-02-23 |
GB201222460D0 (en) | 2013-01-30 |
DE102012223021B4 (de) | 2019-05-02 |
GB201121468D0 (en) | 2012-01-25 |
US20130152548A1 (en) | 2013-06-20 |
RU2617770C2 (ru) | 2017-04-26 |
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