DE102018107777A1 - Platingruppenmetall und unedles Metall auf einem Molekularsieb für eng gekoppelte PNA-SCR-ASC-Systeme - Google Patents

Platingruppenmetall und unedles Metall auf einem Molekularsieb für eng gekoppelte PNA-SCR-ASC-Systeme Download PDF

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DE102018107777A1
DE102018107777A1 DE102018107777.7A DE102018107777A DE102018107777A1 DE 102018107777 A1 DE102018107777 A1 DE 102018107777A1 DE 102018107777 A DE102018107777 A DE 102018107777A DE 102018107777 A1 DE102018107777 A1 DE 102018107777A1
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Prior art keywords
pna
scr catalyst
substrate
catalyst
platinum group
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Ceased
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DE102018107777.7A
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German (de)
English (en)
Inventor
Hai-Ying Chen
John Kilmartin
Dongxia Liu
Jing Lu
Desiree DURAN-MARTIN
Raj RAJARAM
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Johnson Matthey PLC
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Johnson Matthey PLC
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust 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
    • F01N3/18—Exhaust 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 methods of operation; Control
    • F01N3/20—Exhaust 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 methods of operation; Control specially adapted for catalytic conversion
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/2066—Selective catalytic reduction [SCR]
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    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
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    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9431—Processes characterised by a specific device
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01D53/34—Chemical or biological purification of waste gases
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    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
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    • B01D53/9468—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick in different layers
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    • B01D53/9463—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick
    • B01D53/9472—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick in different zones
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    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/063—Surface coverings for exhaust purification, e.g. catalytic reaction zeolites
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    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/068—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
    • F01N2510/0684—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having more than one coating layer, e.g. multi-layered coatings
    • Y—GENERAL 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
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE102018107777.7A 2017-03-30 2018-04-03 Platingruppenmetall und unedles Metall auf einem Molekularsieb für eng gekoppelte PNA-SCR-ASC-Systeme Ceased DE102018107777A1 (de)

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US201762478794P 2017-03-30 2017-03-30
US62/478,794 2017-03-30

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US (1) US10669910B2 (enExample)
EP (1) EP3600626B1 (enExample)
JP (2) JP7170658B2 (enExample)
CN (1) CN110709152B (enExample)
BR (1) BR112019020371A2 (enExample)
DE (1) DE102018107777A1 (enExample)
GB (2) GB2577967B (enExample)
RU (1) RU2762284C2 (enExample)
WO (1) WO2018183604A1 (enExample)

Cited By (1)

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DE102022004159A1 (de) * 2022-11-09 2024-05-16 Mercedes-Benz Group AG Abgasanlage für eine Verbrennungskraftmaschine eines Kraftfahrzeugs sowie Kraftwagen mit einer solchen Abgasanlage

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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
GB2562160B (en) * 2017-03-20 2021-06-23 Johnson Matthey Plc Catalytic wall-flow filter with an ammonia slip catalyst
US10500571B2 (en) * 2017-03-29 2019-12-10 Johnson Matthey Public Limited Company ASC with platinum group metal in multiple layers
GB201705158D0 (en) * 2017-03-30 2017-05-17 Johnson Matthey Plc Catalyst article for use in a emission treatment system
BR112019020349B1 (pt) 2017-03-30 2023-01-10 Johnson Matthey Public Limited Company Artigo catalisador
CN110582341B (zh) * 2017-03-30 2023-02-10 庄信万丰股份有限公司 具有后部集中放热产生的asc/dec
US11141717B2 (en) 2017-08-31 2021-10-12 Umicore Ag & Co. Kg Palladium/zeolite-based passive nitrogen oxide adsorber catalyst for purifying exhaust gas
EP3676001A1 (de) * 2017-08-31 2020-07-08 Umicore AG & Co. KG Verwendung eines palladium-platin-zeolith-basierten katalysators als passiver stickoxid-adsorber zur abgasreinigung
CN111801164A (zh) * 2018-03-14 2020-10-20 庄信万丰股份有限公司 具有原位Pt固定的氨漏失催化剂
GB201805312D0 (en) * 2018-03-29 2018-05-16 Johnson Matthey Plc Catalyst article for use in emission treatment system
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