BRPI0508901A - catalisador para o aperfeiçoamento da eficiência da redução de nox em veìculos automotores - Google Patents

catalisador para o aperfeiçoamento da eficiência da redução de nox em veìculos automotores

Info

Publication number
BRPI0508901A
BRPI0508901A BRPI0508901-8A BRPI0508901A BRPI0508901A BR PI0508901 A BRPI0508901 A BR PI0508901A BR PI0508901 A BRPI0508901 A BR PI0508901A BR PI0508901 A BRPI0508901 A BR PI0508901A
Authority
BR
Brazil
Prior art keywords
catalyst
improving
nox reduction
efficiency
self
Prior art date
Application number
BRPI0508901-8A
Other languages
English (en)
Inventor
Stefan Hubig
Kisnaduth Kesore
Ronny M Nnig
Helmut Oswald
Peter Zima
Original Assignee
Gm Global Tech Operations Inc
S & B Ind Minerals Gmbh
Fiat Auto Spa
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 Gm Global Tech Operations Inc, S & B Ind Minerals Gmbh, Fiat Auto Spa filed Critical Gm Global Tech Operations Inc
Publication of BRPI0508901A publication Critical patent/BRPI0508901A/pt

Links

Classifications

    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/049—Pillared clays
    • 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
    • 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
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/202—Hydrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/204—Carbon monoxide
    • 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
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20738—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20761—Copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/92—Dimensions
    • B01D2255/9205—Porosity
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Dispersion Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

CATALISADOR PARA O APERFEIçOAMENTO DA EFIêNCIA DA REDUçãO DE NOX EM VEìCULOS AUTOMOTORES. A presente invenção refere-se a um catalisador para a limpeza de NO~ x~ no fluxo de gases de descarga de veíclos automotores, caracterizado pelo fato de que, o catalisador contém minerais de argila modificados, selecionados do grupo contendo bentonita, esmectita, hectorita, bem como, misturas disto peletizadas, com alumínio, silínio ou titânio (óxidos).
BRPI0508901-8A 2004-03-17 2005-03-12 catalisador para o aperfeiçoamento da eficiência da redução de nox em veìculos automotores BRPI0508901A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004013164A DE102004013164B4 (de) 2004-03-17 2004-03-17 Katalysator zur Verbesserung der Wirksamkeit der NOx-Reduktion in Kraftfahrzeugen
PCT/EP2005/002656 WO2005092499A1 (de) 2004-03-17 2005-03-12 KATALYSATOR ZUR VERBESSERUNG DER WIRKSAMKEIT DER NOx-REDUKTION IN KRAFTFAHRZEUGEN

Publications (1)

Publication Number Publication Date
BRPI0508901A true BRPI0508901A (pt) 2007-08-07

Family

ID=34962278

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0508901-8A BRPI0508901A (pt) 2004-03-17 2005-03-12 catalisador para o aperfeiçoamento da eficiência da redução de nox em veìculos automotores

Country Status (7)

Country Link
US (1) US20070077189A1 (pt)
EP (1) EP1727619A1 (pt)
JP (1) JP2007529300A (pt)
CN (1) CN1953807A (pt)
BR (1) BRPI0508901A (pt)
DE (1) DE102004013164B4 (pt)
WO (1) WO2005092499A1 (pt)

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DE102005010221A1 (de) * 2005-03-05 2006-09-07 S&B Industrial Minerals Gmbh Verfahren zum Herstellen eines katalytisch wirkenden Minerals auf Basis eines Gerüstsilikates
BRPI0810133B1 (pt) 2007-04-26 2023-01-17 Johnson Matthey Public Limited Company Método para converter óxidos de nitrogênio de um gás em nitrogênio, sistema de escapamento para um motor de combustão interna de queima pobre veicular, e, aparelho
US7687423B2 (en) * 2008-06-26 2010-03-30 Uop Llc Selective catalyst for aromatics conversion
CN101444727B (zh) * 2008-12-17 2011-02-02 中材高新材料股份有限公司 用于scr烟气脱硝的整体式蜂窝催化剂的制备方法
CN102744099B (zh) * 2011-04-22 2015-05-20 中国石油天然气股份有限公司 一种重油催化裂化催化剂及制备方法
CN103084182B (zh) * 2011-11-03 2014-11-12 大连理工大学 一种用于烟气脱硝的无钒脱硝催化剂及其制备方法
KR101907147B1 (ko) * 2012-03-28 2018-10-12 현대중공업 주식회사 선박 배가스 정화용 금속필터
CN103708484B (zh) * 2013-12-19 2016-08-24 绍兴文理学院 AlCo复合柱撑粘土、制备方法及其应用
DE102014201263A1 (de) 2014-01-23 2015-07-23 Johnson Matthey Catalysts (Germany) Gmbh Katalysator
DE102014205760A1 (de) * 2014-03-27 2015-10-01 Johnson Matthey Public Limited Company Verfahren zum Herstellen eines Katalysator sowie Katalysator
CN103877929B (zh) * 2014-04-09 2016-04-27 佘洪舟 吸附NOx的吸附剂及制备方法
CN104138761B (zh) * 2014-05-29 2016-01-20 南京工业大学 一种抗硫膜式低温脱硝催化剂及其制备方法
US10184374B2 (en) 2017-02-21 2019-01-22 Umicore Ag & Co. Kg Apparatus and method for desulfation of a catalyst used in a lean burn methane source fueled combustion system
GB201705241D0 (en) 2017-03-31 2017-05-17 Johnson Matthey Catalysts (Germany) Gmbh Catalyst composition
CN108097240B (zh) * 2017-12-26 2019-11-12 常州大学 一种3D纳米花状MnCrOX包覆海泡石低温脱硝催化剂及制备方法

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Also Published As

Publication number Publication date
WO2005092499A1 (de) 2005-10-06
DE102004013164A1 (de) 2005-10-13
EP1727619A1 (de) 2006-12-06
CN1953807A (zh) 2007-04-25
JP2007529300A (ja) 2007-10-25
DE102004013164B4 (de) 2006-10-12
US20070077189A1 (en) 2007-04-05

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