GB2535327B - Exhaust system for a compression ignition engine having a capture region for volatilised platinum - Google Patents

Exhaust system for a compression ignition engine having a capture region for volatilised platinum

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Publication number
GB2535327B
GB2535327B GB1602179.2A GB201602179A GB2535327B GB 2535327 B GB2535327 B GB 2535327B GB 201602179 A GB201602179 A GB 201602179A GB 2535327 B GB2535327 B GB 2535327B
Authority
GB
United Kingdom
Prior art keywords
exhaust system
compression ignition
ignition engine
capture region
volatilised platinum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB1602179.2A
Other languages
English (en)
Other versions
GB201602179D0 (en
GB2535327A (en
Inventor
Francis Chiffey Andrew
Daly Christopher
Hatcher Daniel
Leeland James
Moreau Francois
Richard Phillips Paul
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson Matthey PLC
Original Assignee
Johnson Matthey PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GBGB1502465.6A external-priority patent/GB201502465D0/en
Priority claimed from GBGB1504663.4A external-priority patent/GB201504663D0/en
Application filed by Johnson Matthey PLC filed Critical Johnson Matthey PLC
Priority to GB1710940.6A priority Critical patent/GB2552424B/en
Publication of GB201602179D0 publication Critical patent/GB201602179D0/en
Publication of GB2535327A publication Critical patent/GB2535327A/en
Application granted granted Critical
Publication of GB2535327B publication Critical patent/GB2535327B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/44—Palladium
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/03—Precipitation; Co-precipitation
    • B01J37/038—Precipitation; Co-precipitation to form slurries or suspensions, e.g. a washcoat
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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
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  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Toxicology (AREA)
  • General Engineering & Computer Science (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Dispersion Chemistry (AREA)
  • Processes For Solid Components From Exhaust (AREA)
GB1602179.2A 2015-02-13 2016-02-08 Exhaust system for a compression ignition engine having a capture region for volatilised platinum Active GB2535327B (en)

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GBGB1502465.6A GB201502465D0 (en) 2015-02-13 2015-02-13 Exhaust system for a compression ignition engine having a capture region for volatilised platinum
GBGB1504663.4A GB201504663D0 (en) 2015-03-19 2015-03-19 Exhaust system for a compression ignition engine having a capture region for volatilised platinum

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GB1805545.9A Active GB2560115B (en) 2015-02-13 2016-02-08 A capture brick for capturing volatilised platinum from a catalytic material in an exhaust system of a compression ignition engine

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GB1805545.9A Active GB2560115B (en) 2015-02-13 2016-02-08 A capture brick for capturing volatilised platinum from a catalytic material in an exhaust system of a compression ignition engine

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Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201504658D0 (en) * 2015-03-19 2015-05-06 Johnson Matthey Plc Exhaust system for a compression ignition engine having a capture face for volatilised platinum
US11618014B2 (en) 2016-04-11 2023-04-04 Johnson Matthey Public Limited Company Method of coating a substrate with a particle stabilized foam
US10125646B2 (en) 2016-04-13 2018-11-13 Johnson Matthey Public Limited Company Exhaust system for a diesel engine
GB2551623A (en) 2016-04-22 2017-12-27 Johnson Matthey Plc Methods of producing SAPO-56, an AFX-containing molecular sieve
US10137413B2 (en) 2016-08-05 2018-11-27 Johnson Matthey Public Limited Company Diesel oxidation catalyst having a capture region for sulfur containing impurities
GB201613849D0 (en) * 2016-08-12 2016-09-28 Johnson Matthey Plc Exhaust system for a compression ignition engine having a capture region for volatilised platinum
GB2553339A (en) * 2016-09-02 2018-03-07 Johnson Matthey Plc Improved NOx trap
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
EP3953024A4 (en) * 2019-04-11 2022-12-28 BASF Corporation SELECTIVE AMMONIA COXIDATION CATALYST
GB201911702D0 (en) 2019-08-15 2019-10-02 Johnson Matthey Plc Particulate filters
EP3782727A1 (de) * 2019-08-20 2021-02-24 Umicore Ag & Co. Kg Katalysator zur reduzierung von ammoniak-emissionen
RU2745091C1 (ru) * 2020-05-21 2021-03-19 Общество с ограниченной ответственностью "Экострим" Каталитическая система для окисления аммиака
WO2023050324A1 (en) * 2021-09-30 2023-04-06 Basf Corporation Platinum group metal capture materials
WO2023235314A2 (en) * 2022-05-31 2023-12-07 Cummins Inc. Aftertreatment system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040028587A1 (en) * 2000-06-06 2004-02-12 Twigg Martyn Vincent Diesel exhaust system including nox-trap
US20080125308A1 (en) * 2006-11-27 2008-05-29 Fujdala Kyle L Engine Exhaust Catalysts Containing Palladium-Gold
US20080125313A1 (en) * 2006-11-27 2008-05-29 Fujdala Kyle L Engine Exhaust Catalysts Containing Palladium-Gold
WO2008088649A1 (en) * 2007-01-17 2008-07-24 Nanostellar, Inc. Engine exhaust catalysts containing palladium-gold
US20140271427A1 (en) * 2013-03-12 2014-09-18 Basf Corporation Catalyst Materials For No Oxidation

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1469079A (en) 1922-08-10 1923-09-25 Kenneth B Glenn Floating jewel bearing
US3966790A (en) * 1973-12-10 1976-06-29 Engelhard Minerals & Chemicals Corporation Compositions and methods for high temperature stable catalysts
GB2122912A (en) 1982-06-29 1984-01-25 Johnson Matthey Plc Exhaust gas purification catalyst
GB2142253A (en) * 1983-06-27 1985-01-16 Johnson Matthey Plc Exhaust gas purification catalysts
JPH11169728A (ja) * 1997-12-15 1999-06-29 Toho Gas Co Ltd メタン酸化触媒
GB9805815D0 (en) 1998-03-19 1998-05-13 Johnson Matthey Plc Manufacturing process
GB0600130D0 (en) 2006-01-06 2006-02-15 Johnson Matthey Plc Exhaust system comprising zoned oxidation catalyst
US8257659B2 (en) 2007-07-02 2012-09-04 Cummins Filtration Ip, Inc. Prevention of face-plugging on aftertreatment devices in exhaust
EP2276701A4 (en) * 2008-03-27 2017-11-08 Umicore AG & Co. KG Base metal and base metal modified diesel oxidation catalysts
GB0903262D0 (en) * 2009-02-26 2009-04-08 Johnson Matthey Plc Filter
GB201000019D0 (en) 2010-01-04 2010-02-17 Johnson Matthey Plc Coating a monolith substrate with catalyst component
US8137648B2 (en) 2010-10-12 2012-03-20 Ford Global Technologies, Llc Diesel engine exhaust treatment system and method including a platinum group metal trapping device
US20120308439A1 (en) 2011-06-01 2012-12-06 Johnson Matthey Public Limited Company Cold start catalyst and its use in exhaust systems
JP5938819B2 (ja) 2011-10-06 2016-06-22 ジョンソン、マッセイ、パブリック、リミテッド、カンパニーＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ 排気ガス処理用酸化触媒
GB201200781D0 (en) 2011-12-12 2012-02-29 Johnson Matthey Plc Exhaust system for a lean-burn ic engine comprising a pgm component and a scr catalyst
GB2497597A (en) * 2011-12-12 2013-06-19 Johnson Matthey Plc A Catalysed Substrate Monolith with Two Wash-Coats
GB201200784D0 (en) * 2011-12-12 2012-02-29 Johnson Matthey Plc Exhaust system for a lean-burn internal combustion engine including SCR catalyst
EP2674584B2 (de) 2012-06-14 2020-04-29 Umicore AG & Co. KG Verwendung eines Oxidationskatalysators zur Verhinderung der Kontamination eines SCR-Katalysators mit Platin
GB201220912D0 (en) * 2012-11-21 2013-01-02 Johnson Matthey Plc Oxidation catalyst for treating the exhaust gas of a compression ignition engine
US9511355B2 (en) * 2013-11-26 2016-12-06 Clean Diesel Technologies, Inc. (Cdti) System and methods for using synergized PGM as a three-way catalyst
JP2016531736A (ja) * 2013-07-26 2016-10-13 ジョンソン、マッセイ、パブリック、リミテッド、カンパニーＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ タングステン／チタニア酸化触媒
WO2015085300A1 (en) 2013-12-06 2015-06-11 Johnson Matthey Public Limited Company Cold start catalyst and its use in exhaust systems

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040028587A1 (en) * 2000-06-06 2004-02-12 Twigg Martyn Vincent Diesel exhaust system including nox-trap
US20080125308A1 (en) * 2006-11-27 2008-05-29 Fujdala Kyle L Engine Exhaust Catalysts Containing Palladium-Gold
US20080125313A1 (en) * 2006-11-27 2008-05-29 Fujdala Kyle L Engine Exhaust Catalysts Containing Palladium-Gold
WO2008088649A1 (en) * 2007-01-17 2008-07-24 Nanostellar, Inc. Engine exhaust catalysts containing palladium-gold
US20140271427A1 (en) * 2013-03-12 2014-09-18 Basf Corporation Catalyst Materials For No Oxidation

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RU2017131594A3 (enExample) 2019-04-30
JP6803843B2 (ja) 2020-12-23
RU2017131594A (ru) 2019-03-13
GB201602179D0 (en) 2016-03-23
US20160236179A1 (en) 2016-08-18
KR20170117410A (ko) 2017-10-23
GB2535327A (en) 2016-08-17
GB201805545D0 (en) 2018-05-16
JP2018511725A (ja) 2018-04-26
DE102016102121A1 (de) 2016-08-18
WO2016128720A1 (en) 2016-08-18
EP3256251B8 (en) 2024-04-03
CN107206357B (zh) 2020-01-03
GB201710940D0 (en) 2017-08-23
KR102329476B1 (ko) 2021-11-23
BR112017017080A2 (en) 2018-04-10
GB2552424B (en) 2018-05-16
GB2560115A (en) 2018-08-29
US10179325B2 (en) 2019-01-15
EP3256251A1 (en) 2017-12-20
CN107206357A (zh) 2017-09-26
GB2552424A (en) 2018-01-24
EP3256251B1 (en) 2023-07-05
GB2560115B (en) 2019-10-09
RU2730511C2 (ru) 2020-08-24

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