BRPI0508877A - processo para aperfeiçoamento da eficácia da redução do nox em veìculos automotores - Google Patents

processo para aperfeiçoamento da eficácia da redução do nox em veìculos automotores

Info

Publication number
BRPI0508877A
BRPI0508877A BRPI0508877-1A BRPI0508877A BRPI0508877A BR PI0508877 A BRPI0508877 A BR PI0508877A BR PI0508877 A BRPI0508877 A BR PI0508877A BR PI0508877 A BRPI0508877 A BR PI0508877A
Authority
BR
Brazil
Prior art keywords
improving
effectiveness
self
nox reduction
propelled vehicles
Prior art date
Application number
BRPI0508877-1A
Other languages
English (en)
Inventor
Stefan Hubig
Ronny M Nning
Helmut Oswald
Peter Zima
Original Assignee
Gm Global Tech Operations Inc
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, Fiat Auto Spa filed Critical Gm Global Tech Operations Inc
Publication of BRPI0508877A publication Critical patent/BRPI0508877A/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
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
    • F01N13/0097—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

"PROCESSO PARA APERFEIçOAMENTO DA EFICáCIA DA REDUçãO DO NOx EM VEìCULOS AUTOMOTORES". A presente invenção refere-se a um processo para redução de NOx no fluxo de gás de descarga de um veículo automotor por meio de um catalisador e é caracterizado pelo fato de que no catalisador existe um material absorvente de NOx.
BRPI0508877-1A 2004-03-17 2005-03-12 processo para aperfeiçoamento da eficácia da redução do nox em veìculos automotores BRPI0508877A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004013165A DE102004013165A1 (de) 2004-03-17 2004-03-17 Verfahren zur Verbesserung der Wirksamkeit der NOx-Reduktion in Kraftfahrzeugen
PCT/EP2005/002655 WO2005088091A1 (de) 2004-03-17 2005-03-12 Verfahren zur verbesserung der wirksamkeit der nox-reduktion in kraftfahrzeugen

Publications (1)

Publication Number Publication Date
BRPI0508877A true BRPI0508877A (pt) 2007-09-04

Family

ID=34966630

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0508877-1A BRPI0508877A (pt) 2004-03-17 2005-03-12 processo para aperfeiçoamento da eficácia da redução do nox em veìculos automotores

Country Status (7)

Country Link
US (1) US20070081934A1 (pt)
EP (1) EP1727973A1 (pt)
JP (1) JP2007529299A (pt)
CN (1) CN100526618C (pt)
BR (1) BRPI0508877A (pt)
DE (1) DE102004013165A1 (pt)
WO (1) WO2005088091A1 (pt)

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GB0617070D0 (en) * 2006-08-30 2006-10-11 Johnson Matthey Plc Low Temperature Hydrocarbon SCR
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
JP2008291673A (ja) * 2007-05-22 2008-12-04 Nissan Diesel Motor Co Ltd エンジンの排気浄化装置
DE102007030895A1 (de) * 2007-07-03 2009-01-08 Süd-Chemie AG Abgaskatalysator für Salzsäure-haltige Abgase
EP2296790B1 (de) * 2008-05-07 2018-03-14 Umicore AG & Co. KG Verfahren zur verminderung von stickoxiden in kohlenwasserstoffhaltigen abgasen unter verwendung eines scr-katalysators auf basis eines molekularsiebes
EP2138681B1 (de) 2008-06-27 2019-03-27 Umicore AG & Co. KG Verfahren und Vorrichtung zur Reinigung von Dieselabgasen
US10583424B2 (en) * 2008-11-06 2020-03-10 Basf Corporation Chabazite zeolite catalysts having low silica to alumina ratios
US9662611B2 (en) * 2009-04-03 2017-05-30 Basf Corporation Emissions treatment system with ammonia-generating and SCR catalysts
US8513153B2 (en) * 2009-04-22 2013-08-20 Uto Environmental Products Limited Fuel additive
EP2335810B1 (de) * 2009-12-11 2012-08-01 Umicore AG & Co. KG Selektive katalytische Reduktion von Stickoxiden im Abgas von Dieselmotoren
EP2465606A1 (de) 2010-12-16 2012-06-20 Umicore Ag & Co. Kg Zeolith-basierter Katalysator mit verbesserter katalytischer Aktivität zur Reduktion von Stickoxiden
JP5966263B2 (ja) * 2011-06-30 2016-08-10 いすゞ自動車株式会社 ディーゼルエンジンの排ガス浄化装置及び浄化方法
EP3744427B1 (en) * 2012-02-06 2026-01-28 Basf Se Process and apparatus for the treatment of gas streams containing nitrogen oxides
US9999879B2 (en) 2013-05-30 2018-06-19 Corning Incorporated Formed ceramic substrate composition for catalyst integration
CN103920392B (zh) * 2014-04-17 2016-08-17 山东大学 一种利用贫富氧交替反应进行烟气脱硝的工艺
SE539895C2 (sv) * 2014-08-14 2018-01-02 Scania Cv Ab Avgasefterbehandlingssystem innefattande ett element med en yta av pelarförsedd lera
US10792616B2 (en) 2015-08-14 2020-10-06 Basf Corporation Ion exchanged synthetic phyllosilicate as SCR catalyst
CN107159191B (zh) * 2017-05-26 2020-01-24 四川大学 基于柱撑粘土的负载型脱硝催化剂及其制备方法
DK201700681A1 (en) * 2017-12-01 2019-06-20 HANS JENSEN GREENTECH ApS A Selective Catalytic Reduction System and a Method for NOx Reduction
KR102095858B1 (ko) * 2017-12-26 2020-04-02 한국과학기술원 세슘과 스트론튬을 동시에 제거하는 층상점토광물 기반 흡착제 및 그 제조방법
DE102019208859A1 (de) 2019-06-18 2020-12-24 Skw Stickstoffwerke Piesteritz Gmbh Verfahren zur kontinuierlichen Herstellung reiner Harnstofflösungen durch Verwertung von Prozesswasser

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Also Published As

Publication number Publication date
CN1977095A (zh) 2007-06-06
US20070081934A1 (en) 2007-04-12
EP1727973A1 (de) 2006-12-06
JP2007529299A (ja) 2007-10-25
WO2005088091A1 (de) 2005-09-22
CN100526618C (zh) 2009-08-12
DE102004013165A1 (de) 2005-10-06

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Legal Events

Date Code Title Description
B25M Entry on limitation or onus of patent assignment [chapter 25.13 patent gazette]

Free format text: ANOTADO O GRAVAME - CONTRATO DE GARANTIA DE PROPRIEDADE INTELECTUAL CELEBRADO ENTRE: O TITULAR E UNITED STATES DEPARTMENT OF THE TREASURY, CONFORME REQUERIDO NA PETICAO NO 018090007413/SP DE 13/02/2009, DE ACORDO COM O ART. 59, II DA LPI.

B25M Entry on limitation or onus of patent assignment [chapter 25.13 patent gazette]

Free format text: LIBERADO O GRAVAME - CONTRATO DE GARANTIA DE PROPRIEDADE INTELECTUAL CELEBRADO ENTRE: O TITULAR E UNITED STATES DEPARTMENT OF THE TREASURY, CONFORME REQUERIDO NA PETICAO NO 018100004490/SP DE 11/02/2010, DE ACORDO COM O ART. 59, II DA LPI.

B25M Entry on limitation or onus of patent assignment [chapter 25.13 patent gazette]

Free format text: ANOTADO O GRAVAME - CONTRATO DE GARANTIA DE PROPRIEDADE INTELECTUAL CELEBRADO ENTRE: O TITULAR E THE UNITED STATES DEPARTMENT OF THE TREASURY, CONFORME REQUERIDO NA PETICAO NO 018100004875/SP DE 12/02/2010, DE ACORDO COM O ART. 59, II DA LPI.

B25M Entry on limitation or onus of patent assignment [chapter 25.13 patent gazette]

Free format text: ANOTADO O SEGUNDO GRAVAME - CONTRATO DE GARANTIA DE PROPRIEDADE INTELECTUAL CELEBRADO ENTRE O TITULAR E UAW RETIREE MEDICAL BENEFITS TRUST, CONFORME REQUERIDO NA PET NO 018100004899-SP, DE 12/02/2010, DE ACORDO COM O ART. 59, II DA LPI.

B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

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B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

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