RU2014130019A - УЛУЧШЕННАЯ ЛОВУШКА NOx - Google Patents

УЛУЧШЕННАЯ ЛОВУШКА NOx

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Publication number
RU2014130019A
RU2014130019A RU2014130019A RU2014130019A RU2014130019A RU 2014130019 A RU2014130019 A RU 2014130019A RU 2014130019 A RU2014130019 A RU 2014130019A RU 2014130019 A RU2014130019 A RU 2014130019A RU 2014130019 A RU2014130019 A RU 2014130019A
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RU
Russia
Prior art keywords
layer
metal
platinum group
carrier
trap
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RU2014130019A
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English (en)
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RU2620425C2 (ru
Inventor
Дэниэл СУОЛЛОУ
Пол Ричард ФИЛЛИПС
Original Assignee
Джонсон Мэтти Паблик Лимитед Компани
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Publication of RU2014130019A publication Critical patent/RU2014130019A/ru
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Publication of RU2620425C2 publication Critical patent/RU2620425C2/ru

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    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
    • B01J29/76—Iron group metals or copper
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Abstract

1. Ловушка NO, включающая подложку и:(а) первый слой, содержащий первый металл платиновой группы, первый компонент аккумулирования NOи первый носитель;(b) второй слой, содержащий второй металл платиновой группы, второй компонент аккумулирования NOи второй носитель; и(с) третий слой, содержащий родий и третий носитель,где первый слой характеризуется уровнем введения металла платиновой группы, который находится в диапазоне от 1% до 40% от уровня введения металла платиновой группы во второй слой, при этом первый компонент аккумулирования NOи второй компонент аккумулирования NOявляются идентичными, и идентичными являются первый носитель и второй носитель.2. Ловушка NOпо п. 1, где подложка представляет собой проточный монолит.3. Ловушка NOпо п. 1, где на подложке размещают первый слой, на первом слое размещают второй слой, а на втором слое размещают третий слой.4. Ловушка NOпо п. 1, где первый металл платиновой группы выбирают из группы, состоящей из палладия, платины, золота или их смесей.5. Ловушка NOпо п. 1, где второй металл платиновой группы выбирают из группы, состоящей из палладия, платины, золота или их смесей.6. Ловушка NOпо п. 1, где первый металл платиновой группы и второй металл платиновой группы являются идентичными.7. Ловушка NOпо п. 1, где первый носитель и второй носитель выбирают из группы, состоящей из оксида алюминия, диоксида кремния, диоксида титана, диоксида циркония, оксида магния, диоксида церия, оксида ниобия, оксидов тантала, оксидов молибдена, оксидов вольфрама и их смешанных оксидов или композитных оксидов.8. Ловушка NOпо п. 1, где первый компонент аккумулирования NOи второй компонент аккумулирования NOсодержат щелочноземельный металл, щелочной металл, редкоземельный металл или

Claims (14)

1. Ловушка NOx, включающая подложку и:
(а) первый слой, содержащий первый металл платиновой группы, первый компонент аккумулирования NOx и первый носитель;
(b) второй слой, содержащий второй металл платиновой группы, второй компонент аккумулирования NOx и второй носитель; и
(с) третий слой, содержащий родий и третий носитель,
где первый слой характеризуется уровнем введения металла платиновой группы, который находится в диапазоне от 1% до 40% от уровня введения металла платиновой группы во второй слой, при этом первый компонент аккумулирования NOx и второй компонент аккумулирования NOx являются идентичными, и идентичными являются первый носитель и второй носитель.
2. Ловушка NOx по п. 1, где подложка представляет собой проточный монолит.
3. Ловушка NOx по п. 1, где на подложке размещают первый слой, на первом слое размещают второй слой, а на втором слое размещают третий слой.
4. Ловушка NOx по п. 1, где первый металл платиновой группы выбирают из группы, состоящей из палладия, платины, золота или их смесей.
5. Ловушка NOx по п. 1, где второй металл платиновой группы выбирают из группы, состоящей из палладия, платины, золота или их смесей.
6. Ловушка NOx по п. 1, где первый металл платиновой группы и второй металл платиновой группы являются идентичными.
7. Ловушка NOx по п. 1, где первый носитель и второй носитель выбирают из группы, состоящей из оксида алюминия, диоксида кремния, диоксида титана, диоксида циркония, оксида магния, диоксида церия, оксида ниобия, оксидов тантала, оксидов молибдена, оксидов вольфрама и их смешанных оксидов или композитных оксидов.
8. Ловушка NOx по п. 1, где первый компонент аккумулирования NOx и второй компонент аккумулирования NOx содержат щелочноземельный металл, щелочной металл, редкоземельный металл или их смеси.
9. Ловушка NOx по п. 8, где первый компонент аккумулирования NOx и второй компонент аккумулирования NOx содержат барий, церий или их смеси.
10. Ловушка NOx по п. 1, где третий носитель выбирают из группы, состоящей из оксида церия, смешанного оксида церия-циркония или оксида алюминия, стабилизированного при использовании редкоземельного, щелочноземельного или переходного металла.
11. Ловушка NOx по п. 1, где уровень введения металла платиновой группы в первый слой находится в диапазоне от 5% до 30% от уровня введения металла платиновой группы во второй слой.
12. Выхлопная система двигателей внутреннего сгораний, включающая ловушку NOx по п. 1.
13. Выхлопная система по п. 12, дополнительно содержащая катализатор окисления, сажевый фильтр или их комбинации.
14. Способ обработки выхлопных газов из двигателя внутреннего сгорания, включающий введение выхлопных газов в контакт с ловушкой NOx по п. 1.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2754996C2 (ru) * 2016-10-04 2021-09-08 Джонсон Мэтти Паблик Лимитед Компани КАТАЛИЗАТОР-АДСОРБЕР NOx
RU2755126C2 (ru) * 2016-10-04 2021-09-13 Джонсон Мэтти Паблик Лимитед Компани КАТАЛИЗАТОР-АДСОРБЕР NOx

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8142619B2 (en) 2007-05-11 2012-03-27 Sdc Materials Inc. Shape of cone and air input annulus
US8481449B1 (en) 2007-10-15 2013-07-09 SDCmaterials, Inc. Method and system for forming plug and play oxide catalysts
US9149797B2 (en) 2009-12-15 2015-10-06 SDCmaterials, Inc. Catalyst production method and system
US9126191B2 (en) 2009-12-15 2015-09-08 SDCmaterials, Inc. Advanced catalysts for automotive applications
US8652992B2 (en) 2009-12-15 2014-02-18 SDCmaterials, Inc. Pinning and affixing nano-active material
US9119309B1 (en) 2009-12-15 2015-08-25 SDCmaterials, Inc. In situ oxide removal, dispersal and drying
US8669202B2 (en) 2011-02-23 2014-03-11 SDCmaterials, Inc. Wet chemical and plasma methods of forming stable PtPd catalysts
JP2014524352A (ja) 2011-08-19 2014-09-22 エスディーシーマテリアルズ， インコーポレイテッド 触媒作用および触媒コンバータに使用するための被覆基材ならびにウォッシュコート組成物で基材を被覆する方法
US9511352B2 (en) 2012-11-21 2016-12-06 SDCmaterials, Inc. Three-way catalytic converter using nanoparticles
US9156025B2 (en) 2012-11-21 2015-10-13 SDCmaterials, Inc. Three-way catalytic converter using nanoparticles
US9586179B2 (en) 2013-07-25 2017-03-07 SDCmaterials, Inc. Washcoats and coated substrates for catalytic converters and methods of making and using same
EP3038746A1 (en) 2013-08-28 2016-07-06 Johnson Matthey PLC Co slip catalyst and method of using
CA2926135A1 (en) * 2013-10-22 2015-04-30 SDCmaterials, Inc. Compositions of lean nox trap
CN106061600A (zh) 2013-10-22 2016-10-26 Sdc材料公司 用于重型柴油机的催化剂设计
US9687811B2 (en) 2014-03-21 2017-06-27 SDCmaterials, Inc. Compositions for passive NOx adsorption (PNA) systems and methods of making and using same
KR101673330B1 (ko) * 2014-06-25 2016-11-07 현대자동차 주식회사 질소산화물 저감 촉매, 이의 제조 방법, 및 질소산화물 저감 촉매 시스템
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
EP3268115A4 (en) 2015-02-11 2019-03-06 SDCmaterials, Inc. LEAN NOX FALLEN, INGREDIENTS, WASHCOATS AND METHOD FOR THE PRODUCTION AND USE THEREOF
EP3277406B1 (en) * 2015-03-03 2023-08-02 BASF Corporation Lean nox trap with enhanced high and low temperature performance
US9616386B2 (en) * 2015-03-23 2017-04-11 Kabushiki Kaisha Toyota Chuo Kenkyusho Catalyst for purification of exhaust gas, NOx storage-reduction catalyst, and method for purifying exhaust gas
GB2553339A (en) * 2016-09-02 2018-03-07 Johnson Matthey Plc Improved NOx trap
GB2557673A (en) * 2016-12-15 2018-06-27 Johnson Matthey Plc NOx adsorber catalyst
GB2560941A (en) * 2017-03-29 2018-10-03 Johnson Matthey Plc NOx Adsorber catalyst
GB2560939A (en) * 2017-03-29 2018-10-03 Johnson Matthey Plc NOx Adsorber catalyst
GB2560942A (en) * 2017-03-29 2018-10-03 Johnson Matthey Plc NOx Adsorber catalyst
GB2560943A (en) * 2017-03-29 2018-10-03 Johnson Matthey Plc NOx adsorber catalyst
GB2560940A (en) * 2017-03-29 2018-10-03 Johnson Matthey Plc Three layer NOx Adsorber catalyst
JP6408062B1 (ja) * 2017-04-28 2018-10-17 株式会社キャタラー 排ガス浄化用触媒
CA3061306A1 (en) * 2017-04-28 2019-10-23 Umicore Shokubai Japan Co., Ltd. Exhaust gas purification catalyst and exhaust gas purification method using the same
WO2018206531A1 (en) 2017-05-11 2018-11-15 Rhodia Operations Mixed oxide with enhanced resistance and no x storage capacity
JP2020536727A (ja) 2017-10-12 2020-12-17 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
JP2021505367A (ja) 2017-12-08 2021-02-18 ジョンソン マッセイ （シャンハイ） ケミカルズ リミテッド ガソリン排ガス用途における新規３ゾーン２層ｔｗｃ触媒
US10399037B1 (en) * 2018-04-20 2019-09-03 GM Global Technology Operations LLC Nitrogen oxides storage catalyst and methods of using the same
US10953366B2 (en) 2018-04-20 2021-03-23 GM Global Technology Operations LLC Nitrogen oxides and hydrocarbon storage catalyst and methods of using the same
EP3616792A1 (de) 2018-08-28 2020-03-04 Umicore Ag & Co. Kg Stickoxid-speicherkatalysator
CN110075836A (zh) * 2019-05-29 2019-08-02 上海歌地催化剂有限公司 稀燃NOx捕集催化剂
BR112022011365A2 (pt) 2019-12-13 2022-08-23 Basf Corp Sistema de tratamento de emissão de redução de nox em uma corrente de exaustão de um motor de queima pobre e método para reduzir nox em uma corrente de exaustão de um motor de queima pobre
US11642655B2 (en) * 2020-01-07 2023-05-09 Johnson Matthey Public Limited Company Multi-region TWC catalysts for gasoline engine exhaust gas treatments
JP7344815B2 (ja) * 2020-02-28 2023-09-14 株式会社Subaru ガソリンリーンバーンエンジン用ｌｎｔ積層触媒、及びこれを用いた排ガス浄化装置
EP3889404A1 (en) * 2020-03-30 2021-10-06 Johnson Matthey Public Limited Company Multi-region twc catalysts for gasoline engine exhaust gas treatments with improved h2s attenuation
CN114950424B (zh) * 2022-06-15 2023-07-14 万华化学（宁波）有限公司 一种循环气两段式脱硫催化剂、制备方法及其应用

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9805815D0 (en) 1998-03-19 1998-05-13 Johnson Matthey Plc Manufacturing process
JP2000102728A (ja) * 1998-09-29 2000-04-11 Mazda Motor Corp 排気ガス浄化用触媒
US6777370B2 (en) * 2001-04-13 2004-08-17 Engelhard Corporation SOx tolerant NOx trap catalysts and methods of making and using the same
JP2002357120A (ja) * 2001-05-30 2002-12-13 Isuzu Motors Ltd 排気ガス浄化装置
US7276212B2 (en) * 2001-10-01 2007-10-02 Engelhard Corporation Exhaust articles for internal combustion engines
US6764665B2 (en) * 2001-10-26 2004-07-20 Engelhard Corporation Layered catalyst composite
US20040001781A1 (en) * 2002-06-27 2004-01-01 Engelhard Corporation Multi-zone catalytic converter
US7329629B2 (en) * 2002-10-24 2008-02-12 Ford Global Technologies, Llc Catalyst system for lean burn engines
US7490464B2 (en) * 2003-11-04 2009-02-17 Basf Catalysts Llc Emissions treatment system with NSR and SCR catalysts
GB0422549D0 (en) * 2004-10-12 2004-11-10 Johnson Matthey Plc Method of decomposing nitrogen dioxide
US20080044330A1 (en) * 2006-08-21 2008-02-21 Shau-Lin Franklin Chen Layered catalyst composite
US7550124B2 (en) * 2006-08-21 2009-06-23 Basf Catalysts Llc Layered catalyst composite
US7758834B2 (en) * 2006-08-21 2010-07-20 Basf Corporation Layered catalyst composite
US7517510B2 (en) * 2006-08-21 2009-04-14 Basf Catalysts Llc Layered catalyst composite
CN101161337B (zh) * 2006-10-13 2010-09-29 比亚迪股份有限公司 一种三元催化剂及其制备方法
JP2008100152A (ja) * 2006-10-18 2008-05-01 Cataler Corp 排ガス浄化用触媒
US8038951B2 (en) * 2007-08-09 2011-10-18 Basf Corporation Catalyst compositions
JP2009248057A (ja) * 2008-04-10 2009-10-29 Toyota Motor Corp 排ガス浄化用触媒
US7981390B2 (en) * 2008-12-23 2011-07-19 Basf Corporation Small engine palladium catalyst article and method of making
US8329607B2 (en) * 2009-01-16 2012-12-11 Basf Corporation Layered diesel oxidation catalyst composites
US9440192B2 (en) * 2009-01-16 2016-09-13 Basf Corporation Diesel oxidation catalyst and use thereof in diesel and advanced combustion diesel engine systems
US10773209B2 (en) 2009-02-20 2020-09-15 Basf Corporation Aging-resistant catalyst article for internal combustion engines
US8568675B2 (en) * 2009-02-20 2013-10-29 Basf Corporation Palladium-supported catalyst composites
US9662611B2 (en) * 2009-04-03 2017-05-30 Basf Corporation Emissions treatment system with ammonia-generating and SCR catalysts
US8637426B2 (en) * 2009-04-08 2014-01-28 Basf Corporation Zoned catalysts for diesel applications
JP5651685B2 (ja) * 2009-05-04 2015-01-14 ビーエーエスエフ コーポレーション 希薄燃焼ガソリンエンジンのためのｔｗｃの改善された希薄ｈｃ変換
US8833064B2 (en) * 2009-11-06 2014-09-16 Basf Corporation Small engine layered catalyst article and method of making
GB0922195D0 (en) * 2009-12-21 2010-02-03 Johnson Matthey Plc Improvements in NOx traps
US8828343B2 (en) * 2010-03-05 2014-09-09 Basf Corporation Carbon monoxide conversion catalyst
US8734743B2 (en) * 2010-06-10 2014-05-27 Basf Se NOx storage catalyst with improved hydrocarbon conversion activity
US8950174B2 (en) * 2010-09-02 2015-02-10 Basf Se Catalysts for gasoline lean burn engines with improved NH3-formation activity
US8323599B2 (en) * 2010-11-22 2012-12-04 Umicore Ag & Co. Kg Three-way catalyst having an upstream multi-layer catalyst
US8617496B2 (en) * 2011-01-19 2013-12-31 Basf Corporation Three way conversion catalyst with alumina-free rhodium layer
US9044734B2 (en) * 2011-09-23 2015-06-02 Basf Se Diesel oxidation catalyst with layered structure containing ceria composition as palladium support material for enhanced HC and CO gas conversion
GB2497597A (en) * 2011-12-12 2013-06-19 Johnson Matthey Plc A Catalysed Substrate Monolith with Two Wash-Coats

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2754996C2 (ru) * 2016-10-04 2021-09-08 Джонсон Мэтти Паблик Лимитед Компани КАТАЛИЗАТОР-АДСОРБЕР NOx
RU2755126C2 (ru) * 2016-10-04 2021-09-13 Джонсон Мэтти Паблик Лимитед Компани КАТАЛИЗАТОР-АДСОРБЕР NOx
US11117097B2 (en) 2016-10-04 2021-09-14 Johnson Matthey Public Limited Company NOx adsorber catalyst

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