ATE475472T1 - Wärmeregenerierbares stickstoffoxidadsorptionsmittel - Google Patents

Wärmeregenerierbares stickstoffoxidadsorptionsmittel

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Publication number
ATE475472T1
ATE475472T1 AT07824860T AT07824860T ATE475472T1 AT E475472 T1 ATE475472 T1 AT E475472T1 AT 07824860 T AT07824860 T AT 07824860T AT 07824860 T AT07824860 T AT 07824860T AT E475472 T1 ATE475472 T1 AT E475472T1
Authority
AT
Austria
Prior art keywords
adsorbent
adsorpent
gas stream
nitrogen oxide
lean gas
Prior art date
Application number
AT07824860T
Other languages
German (de)
English (en)
Inventor
Joanne Elizabeth Melville
Robert James Brisley
Orla Keane
Paul Richard Phillips
Elizabeth Hazel Mountstevens
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
Application granted granted Critical
Publication of ATE475472T1 publication Critical patent/ATE475472T1/de

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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
    • 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
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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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    • B01D53/9404—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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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/402—Further details for adsorption processes and devices using two beds
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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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  • Biomedical Technology (AREA)
  • Materials Engineering (AREA)
  • Toxicology (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • External Artificial Organs (AREA)
  • Fats And Perfumes (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
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GBGB0620883.9A GB0620883D0 (en) 2006-10-20 2006-10-20 Exhaust system for a lean-burn internal combustion engine
GBGB0713869.6A GB0713869D0 (en) 2006-10-20 2007-07-17 Thermally regenerable nitric oxide adsorbent
PCT/GB2007/050648 WO2008047170A1 (en) 2006-10-20 2007-10-19 Thermally regenerable nitric oxide adsorbent

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US20110274606A1 (en) 2011-11-10
CN101594925A (zh) 2009-12-02
WO2008047170A1 (en) 2008-04-24
KR101467592B1 (ko) 2014-12-01
EP2081665A1 (en) 2009-07-29
RU2436621C2 (ru) 2011-12-20
BRPI0717470B1 (pt) 2018-05-15
EP2081665B1 (en) 2010-07-28
CN101594925B (zh) 2012-11-14
JP2010507480A (ja) 2010-03-11
JP5523104B2 (ja) 2014-06-18
GB0713869D0 (en) 2007-08-29
KR20090082225A (ko) 2009-07-29
GB0620883D0 (en) 2006-11-29
US8105559B2 (en) 2012-01-31
DE602007008128D1 (de) 2010-09-09
RU2009118911A (ru) 2010-11-27

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