BRPI0717417A2 - Catalisador para reduzir emissões de nox a partir de uma corrente de gás de exaustão de um motor de queima pobre, sistema de tratamento de emissões para uma corrente de exaustão, e, método de preparação de um catalisador. - Google Patents

Catalisador para reduzir emissões de nox a partir de uma corrente de gás de exaustão de um motor de queima pobre, sistema de tratamento de emissões para uma corrente de exaustão, e, método de preparação de um catalisador.

Info

Publication number
BRPI0717417A2
BRPI0717417A2 BRPI0717417-9A2A BRPI0717417A BRPI0717417A2 BR PI0717417 A2 BRPI0717417 A2 BR PI0717417A2 BR PI0717417 A BRPI0717417 A BR PI0717417A BR PI0717417 A2 BRPI0717417 A2 BR PI0717417A2
Authority
BR
Brazil
Prior art keywords
catalyst
current
preparing
treatment system
nox emissions
Prior art date
Application number
BRPI0717417-9A2A
Other languages
English (en)
Inventor
Christopher R Castellano
Ahmad Moini
Gerald Stephen Koermer
Howard Furbeck
Steven J Schmieg
Richard J Blint
Original Assignee
Basf Catalysts Llc
Gen Motors Corp
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 Basf Catalysts Llc, Gen Motors Corp filed Critical Basf Catalysts Llc
Publication of BRPI0717417A2 publication Critical patent/BRPI0717417A2/pt

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48—Silver or gold
    • B01J23/50—Silver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment
    • B01J37/10—Heat treatment in the presence of water, e.g. steam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/208—Hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1021—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/104—Silver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/915—Catalyst supported on particulate filters
    • B01D2255/9155—Wall flow filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • B01D2258/012—Diesel engines and lean burn gasoline engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0242—Coating followed by impregnation
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
BRPI0717417-9A2A 2006-09-20 2007-09-20 Catalisador para reduzir emissões de nox a partir de uma corrente de gás de exaustão de um motor de queima pobre, sistema de tratamento de emissões para uma corrente de exaustão, e, método de preparação de um catalisador. BRPI0717417A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/533,593 US7943548B2 (en) 2006-09-20 2006-09-20 Catalysts to reduce NOx in an exhaust gas stream and methods of preparation
PCT/US2007/079004 WO2008036803A2 (en) 2006-09-20 2007-09-20 Catalysts to reduce nox in an exhaust gas stream and methods of preparation

Publications (1)

Publication Number Publication Date
BRPI0717417A2 true BRPI0717417A2 (pt) 2013-11-12

Family

ID=39125250

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0717417-9A2A BRPI0717417A2 (pt) 2006-09-20 2007-09-20 Catalisador para reduzir emissões de nox a partir de uma corrente de gás de exaustão de um motor de queima pobre, sistema de tratamento de emissões para uma corrente de exaustão, e, método de preparação de um catalisador.

Country Status (9)

Country Link
US (1) US7943548B2 (pt)
EP (1) EP2069052B1 (pt)
JP (1) JP2010504205A (pt)
CN (1) CN101939083A (pt)
BR (1) BRPI0717417A2 (pt)
CA (1) CA2664401A1 (pt)
MX (1) MX2009002956A (pt)
RU (1) RU2009114728A (pt)
WO (1) WO2008036803A2 (pt)

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US8173574B2 (en) * 2006-09-20 2012-05-08 Basf Corporation Catalysts to reduce NOx in an exhaust gas stream and methods of preparation
US7759280B2 (en) * 2006-09-20 2010-07-20 Basf Corporation Catalysts, systems and methods to reduce NOX in an exhaust gas stream
US8871669B2 (en) * 2008-05-19 2014-10-28 General Electric Company Catalyst and method of manufacture
US20100101221A1 (en) * 2008-10-28 2010-04-29 Caterpillar Inc. CATALYSTS, SYSTEMS, AND METHODS FOR REDUCING NOx IN AN EXHAUST GAS
US20100112191A1 (en) * 2008-10-30 2010-05-06 Micron Technology, Inc. Systems and associated methods for depositing materials
EP2393754A4 (en) * 2009-01-30 2015-08-26 Basf Corp CATALYST FOR THE PRODUCTION OF AMMONIA FROM HYDROCARBON AND NITROGEN OXIDES
US8555617B2 (en) * 2009-03-26 2013-10-15 GM Global Technology Operations LLC Exhaust gas treatment system including a four-way catalyst and urea SCR catalyst and method of using the same
US8505279B2 (en) * 2009-03-26 2013-08-13 GM Global Technology Operations LLC Exhaust gas treatment system including a four-way catalyst and urea SCR catalyst and method of using the same
US8178064B2 (en) * 2009-05-11 2012-05-15 Basf Corporation Treatment of power utilities exhaust
US20100300078A1 (en) * 2009-05-27 2010-12-02 Gm Global Technology Operations, Inc. Exhaust After Treatment System
US8904760B2 (en) * 2009-06-17 2014-12-09 GM Global Technology Operations LLC Exhaust gas treatment system including an HC-SCR and two-way catalyst and method of using the same
US8635855B2 (en) * 2009-06-17 2014-01-28 GM Global Technology Operations LLC Exhaust gas treatment system including a lean NOx trap and two-way catalyst and method of using the same
US8207084B2 (en) * 2009-06-23 2012-06-26 Ford Global Technologies, Llc Urea-resistant catalytic units and methods of using the same
US8409515B2 (en) * 2009-07-14 2013-04-02 GM Global Technology Operations LLC Exhaust gas treatment system
US8450236B2 (en) 2010-04-13 2013-05-28 Cristal Usa Inc. Supported precious metal catalysts via hydrothermal deposition
WO2012145489A2 (en) * 2011-04-19 2012-10-26 Cummins Inc. System, method, and apparatus for treating a platinum contaminated catalytic component
JP5928894B2 (ja) * 2012-08-30 2016-06-01 国立大学法人大阪大学 多価アルコールの水素化分解用触媒、及び該触媒を使用する１，３−プロパンジオールの製造方法
US9517457B2 (en) 2013-10-30 2016-12-13 Cummins Inc. Aftertreatment systems with reduced N2O generation
CN106268790B (zh) * 2016-08-11 2018-09-28 四川大学 抗水热老化及耐硫IrPdPt/IrPd催化剂及其制备方法与应用
WO2018047964A1 (ja) 2016-09-12 2018-03-15 株式会社キャタラー 排ガス浄化用触媒および排ガス浄化用触媒の製造方法
WO2019021244A1 (en) * 2017-07-27 2019-01-31 Basf Corporation ELIMINATION OF N2O FROM AUTOMOTIVE EXHAUST GASES FOR POOR / RICH SYSTEMS
WO2019066387A1 (ko) * 2017-09-29 2019-04-04 한국화학연구원 질소산화물 저감 촉매 및 그 제조방법
KR102051861B1 (ko) * 2017-11-03 2019-12-04 한국화학연구원 Ir계 deNOx 촉매 및 그 제조방법
KR102127133B1 (ko) * 2019-11-20 2020-06-26 한국화학연구원 Ir계 deNOx 촉매 및 그 제조방법

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Also Published As

Publication number Publication date
EP2069052A2 (en) 2009-06-17
US20080070778A1 (en) 2008-03-20
WO2008036803A2 (en) 2008-03-27
MX2009002956A (es) 2010-01-29
JP2010504205A (ja) 2010-02-12
RU2009114728A (ru) 2010-10-27
CA2664401A1 (en) 2008-03-27
EP2069052B1 (en) 2012-08-29
WO2008036803A3 (en) 2008-05-08
US7943548B2 (en) 2011-05-17
CN101939083A (zh) 2011-01-05

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