RU2015140750A - Катализатор окисления для обработки выхлопных газов двигателя внутреннего сгорания - Google Patents

Катализатор окисления для обработки выхлопных газов двигателя внутреннего сгорания Download PDF

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RU2015140750A
RU2015140750A RU2015140750A RU2015140750A RU2015140750A RU 2015140750 A RU2015140750 A RU 2015140750A RU 2015140750 A RU2015140750 A RU 2015140750A RU 2015140750 A RU2015140750 A RU 2015140750A RU 2015140750 A RU2015140750 A RU 2015140750A
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noble metal
oxidation catalyst
carrier
catalyst according
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Давид БЕРЖЕАЛЬ
Эндрю Фрэнсис ЧИФФИ
Джон Бенджамин ГУДВИН
Пол Ричард ФИЛЛИПС
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Джонсон Мэтти Паблик Лимитед Компани
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    • B01D53/34Chemical or biological purification of waste gases
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    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
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    • B01J37/0215Coating
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B01J37/08Heat treatment
    • B01J37/10Heat treatment in the presence of water, e.g. steam
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/101Three-way catalysts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/103Oxidation catalysts for HC and CO only
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28Construction of catalytic reactors
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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    • F01N2510/00Surface coverings
    • F01N2510/06Surface coverings for exhaust purification, e.g. catalytic reaction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2510/00Surface coverings
    • F01N2510/06Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/068Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
    • F01N2510/0682Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having a discontinuous, uneven or partially overlapping coating of catalytic material, e.g. higher amount of material upstream than downstream or vice versa
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Claims (26)

1. Катализатор окисления для обработки выхлопных газов, производимых двигателем внутреннего сгорания, причем данный катализатор окисления включает носитель и каталитический слой, причем данный каталитический слой включает:
первый подложечный материал;
первый благородный металл; и
второй благородный металл;
причем каталитический слой находится на поверхности носителя, и каталитический слой имеет неравномерное распределение первого благородного металла в направлении, перпендикулярном поверхности носителя.
2. Катализатор окисления по п. 1, в котором неравномерное распределение первого благородного металла в направлении, перпендикулярном поверхности носителя представляет собой плавное распределение первого благородного металла.
3. Катализатор окисления по п. 1, в котором неравномерное распределение первого благородного металла в направлении, перпендикулярном поверхности носителя, представляет собой ступенчатое распределение первого благородного металла.
4. Катализатор окисления по любому из предшествующих пунктов, в котором количество первого благородного металла увеличивается в перпендикулярном направлении по отношению к поверхности носителя.
5. Катализатор окисления по любому из пп. 1-3, в котором количество первого благородного металла уменьшается в перпендикулярном направлении по отношению к поверхности носителя.
6. Катализатор окисления по п. 5, в котором каталитический слой имеет первую поверхность и вторую поверхность, и, по меньшей мере, 60% суммарного количества первого благородного металла распределяется между первой поверхностью и плоскостью в каталитическом слое, которая находится на середине пути между первой поверхностью и второй поверхностью.
7. Катализатор окисления по любому из пп. 1-3, и 6, в котором первый благородный металл выбирается из группы, которую составляют рутений, родий, палладий, осмий, иридий, платина, серебро и золото.
8. Катализатор окисления по п 7, в котором первый благородный металл представляет собой палладий.
9. Катализатор окисления по любому из пп. 1-3, 6 и 8, в котором первый подложечный материал включает тугоплавкий оксид, выбранный из группы, которую составляют оксид алюминия, оксид магния, диоксид кремния, диоксид циркония, диоксид титана, диоксид церия и композитный оксид или смешанный оксид двух или более вышеупомянутых элементов.
10. Катализатор окисления по любому из пп. 1-3, 6 и 8, в котором второй благородный металл выбирается из группы, которую составляют рутений, родий, палладий, осмий, иридий, платина, серебро и золото.
11. Выхлопная система для двигателя внутреннего сгорания, включающая катализатор окисления по любому из пп. 1-10 и, по меньшей мере, одно снижающее токсичность выхлопных газов устройство.
12. Транспортное средство, включающее двигатель внутреннего сгорания и катализатор окисления по любому из пп. 1-10 или выхлопную систему по п. 11.
13. Способ обработка выхлопных газов, производимых двигателем внутреннего сгорания, причем данный способ включает введение в контакт выхлопных газов с катализатором окисления, причем катализатор окисления включает носитель и каталитический слой, причем каталитический слой включает:
первый подложечный материал;
первый благородный металл; и
второй благородный металл;
причем каталитический слой находится на поверхности носителя и имеет неравномерное распределение первого благородного металла в направлении, перпендикулярном поверхности носителя, и катализатор окисления необязательно представляет собой катализатор по любому из пп. 2-10.
14. Применение катализатора окисления по любому из пп. 1-10 для обработки выхлопных газов, производимых двигателем внутреннего сгорания.
15. Способ изготовления катализатора окисления, причем данный способ включает:
(a) изготовление водной суспензии, которую составляют предшественник первого подложечного материала, первый благородный металлический компонент и второй благородный металлический компонент;
(b) нанесение водной суспензии на носитель для изготовления покрытия; и
(c) высушивание и прокаливание покрытие с использованием условий, которые обеспечивают, что, по меньшей мере, первый благородный металлический компонент перемещается по направлению к носителю или от носителя.
RU2015140750A 2013-02-26 2014-02-18 Катализатор окисления для обработки выхлопных газов двигателя внутреннего сгорания RU2688674C2 (ru)

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US201361769303P 2013-02-26 2013-02-26
US61/769,303 2013-02-26
GB1303396.4 2013-02-26
GBGB1303396.4A GB201303396D0 (en) 2013-02-26 2013-02-26 Oxidation catalyst for a combustion engine
PCT/GB2014/050460 WO2014132034A1 (en) 2013-02-26 2014-02-18 Oxidation catalyst for internal combustion engine exhaust gas treatment

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RU2015140750A true RU2015140750A (ru) 2017-04-03
RU2688674C2 RU2688674C2 (ru) 2019-05-22

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US (1) US9138724B2 (ru)
EP (1) EP2961526B1 (ru)
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