BR112013032528A2 - sistema de escape para motores de combustão interna, substrato catalisado, e, método para tratar um gás de escape de um motor de combustão interna - Google Patents

sistema de escape para motores de combustão interna, substrato catalisado, e, método para tratar um gás de escape de um motor de combustão interna

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Publication number
BR112013032528A2
BR112013032528A2 BR112013032528A BR112013032528A BR112013032528A2 BR 112013032528 A2 BR112013032528 A2 BR 112013032528A2 BR 112013032528 A BR112013032528 A BR 112013032528A BR 112013032528 A BR112013032528 A BR 112013032528A BR 112013032528 A2 BR112013032528 A2 BR 112013032528A2
Authority
BR
Brazil
Prior art keywords
combustion engine
internal combustion
engine exhaust
treating
exhaust gas
Prior art date
Application number
BR112013032528A
Other languages
English (en)
Inventor
Francis Chiffey Andrew
Swallow Daniel
Richard Phillips Paul
Original Assignee
Johson 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 Johson Matthey Plc filed Critical Johson Matthey Plc
Publication of BR112013032528A2 publication Critical patent/BR112013032528A2/pt

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    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • 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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    • B01D53/34—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
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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
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    • 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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    • 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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BR112013032528A 2011-06-21 2012-06-19 sistema de escape para motores de combustão interna, substrato catalisado, e, método para tratar um gás de escape de um motor de combustão interna BR112013032528A2 (pt)

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GB1111950.0A GB2492175B (en) 2011-06-21 2011-07-13 Exhaust system for internal combustion engine comprising catalysed filter substrate
PCT/GB2012/051407 WO2012175948A1 (en) 2011-06-21 2012-06-19 Catalyzed substrate and exhaust system for internal combustion engines

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GB201003784D0 (en) * 2010-03-08 2010-04-21 Johnson Matthey Plc Improvement in control OPF emissions
GB2492175B (en) * 2011-06-21 2018-06-27 Johnson Matthey Plc Exhaust system for internal combustion engine comprising catalysed filter substrate
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