IN2014CN00341A - - Google Patents

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Publication number
IN2014CN00341A
IN2014CN00341A IN341CHN2014A IN2014CN00341A IN 2014CN00341 A IN2014CN00341 A IN 2014CN00341A IN 341CHN2014 A IN341CHN2014 A IN 341CHN2014A IN 2014CN00341 A IN2014CN00341 A IN 2014CN00341A
Authority
IN
India
Prior art keywords
exhaust system
zone
trap
catalyzed substrate
substrate
Prior art date
Application number
Other languages
English (en)
Inventor
Andrew Francis Chiffey
Paul Richard Phillips
Daniel Swallow
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
Application filed by Johnson Matthey Plc filed Critical Johnson Matthey Plc
Publication of IN2014CN00341A publication Critical patent/IN2014CN00341A/en

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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • 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
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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
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    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
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    • B01D53/9409—Nitrogen oxides
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  • Chemical & Material Sciences (AREA)
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US201161499340P 2011-06-21 2011-06-21
GB1111950.0A GB2492175B (en) 2011-06-21 2011-07-13 Exhaust system for internal combustion engine comprising catalysed filter substrate
PCT/GB2012/051407 WO2012175948A1 (fr) 2011-06-21 2012-06-19 Substrat catalysé et système d'échappement pour moteurs à combustion interne

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GB201003784D0 (en) * 2010-03-08 2010-04-21 Johnson Matthey Plc Improvement in control OPF emissions
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CN103635249A (zh) 2014-03-12
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US20130149220A1 (en) 2013-06-13
US20140044630A1 (en) 2014-02-13
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US8540952B2 (en) 2013-09-24
GB2492175A (en) 2012-12-26

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