BR112014029683A2 - filtro, e, sistema de escape para tratar gases de escape de motor - Google Patents

filtro, e, sistema de escape para tratar gases de escape de motor

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Publication number
BR112014029683A2
BR112014029683A2 BR112014029683A BR112014029683A BR112014029683A2 BR 112014029683 A2 BR112014029683 A2 BR 112014029683A2 BR 112014029683 A BR112014029683 A BR 112014029683A BR 112014029683 A BR112014029683 A BR 112014029683A BR 112014029683 A2 BR112014029683 A2 BR 112014029683A2
Authority
BR
Brazil
Prior art keywords
filter
vanadate
exhaust
component
supported
Prior art date
Application number
BR112014029683A
Other languages
English (en)
Portuguese (pt)
Inventor
Tsami Goodwin Alexandra
Smelder Gudmund
Muench Joerg
Arulraj Kaneshalingam
Leppelt Rainer
Dotzel Ralf
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 BR112014029683A2 publication Critical patent/BR112014029683A2/pt

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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/847—Vanadium, niobium or tantalum or polonium
    • B01J23/8472—Vanadium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • 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
    • 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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    • 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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    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/06—Ceramic, e.g. monoliths
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
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  • Dispersion Chemistry (AREA)
  • Toxicology (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Processes For Solid Components From Exhaust (AREA)
BR112014029683A 2012-06-01 2013-05-31 filtro, e, sistema de escape para tratar gases de escape de motor BR112014029683A2 (pt)

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JP2018187629A (ja) 2018-11-29
WO2013179129A2 (en) 2013-12-05
RU2014153130A (ru) 2016-08-10
EP2855017B1 (en) 2022-07-06
JP2015520675A (ja) 2015-07-23
WO2013179129A3 (en) 2014-03-06
EP2855017A2 (en) 2015-04-08
GB2522547B (en) 2018-12-12
CN104519998A (zh) 2015-04-15
KR20150023543A (ko) 2015-03-05
RU2647848C2 (ru) 2018-03-21
GB2522547A (en) 2015-07-29
US9987619B2 (en) 2018-06-05
US20150190787A1 (en) 2015-07-09

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