BRPI0717414A2 - Catalisador para reduzir as emissões de nox de uma corrente de gás de escape de um motor de queima pobre, sistema de tratamento de emissões para uma corrente de escape, e, método para preparar um catalisador. - Google Patents

Catalisador para reduzir as emissões de nox de uma corrente de gás de escape de um motor de queima pobre, sistema de tratamento de emissões para uma corrente de escape, e, método para preparar um catalisador.

Info

Publication number
BRPI0717414A2
BRPI0717414A2 BRPI0717414-4A2A BRPI0717414A BRPI0717414A2 BR PI0717414 A2 BRPI0717414 A2 BR PI0717414A2 BR PI0717414 A BRPI0717414 A BR PI0717414A BR PI0717414 A2 BRPI0717414 A2 BR PI0717414A2
Authority
BR
Brazil
Prior art keywords
catalyst
current
preparing
treatment system
nox emissions
Prior art date
Application number
BRPI0717414-4A2A
Other languages
English (en)
Inventor
Gerald Stephen Koermer
Ahmad Moini
Howard Furbeck
Christopher R Castellano
Original Assignee
Basf Catalysts Llc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39125085&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0717414(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Basf Catalysts Llc filed Critical Basf Catalysts Llc
Publication of BRPI0717414A2 publication Critical patent/BRPI0717414A2/pt

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404Removing only nitrogen compounds
    • B01D53/9409Nitrogen oxides
    • B01D53/9413Processes characterised by a specific catalyst
    • B01D53/9418Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48Silver or gold
    • B01J23/50Silver
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04Alumina
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/20Reductants
    • B01D2251/208Hydrocarbons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/104Silver
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/90Physical characteristics of catalysts
    • B01D2255/915Catalyst supported on particulate filters
    • B01D2255/9155Wall flow filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/01Engine exhaust gases
    • B01D2258/012Diesel engines and lean burn gasoline engines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/391Physical properties of the active metal ingredient
    • B01J35/393Metal or metal oxide crystallite size
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24149Honeycomb-like

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
BRPI0717414-4A2A 2006-09-20 2007-09-20 Catalisador para reduzir as emissões de nox de uma corrente de gás de escape de um motor de queima pobre, sistema de tratamento de emissões para uma corrente de escape, e, método para preparar um catalisador. BRPI0717414A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US82626706P 2006-09-20 2006-09-20
US11/857,896 US8173574B2 (en) 2006-09-20 2007-09-19 Catalysts to reduce NOx in an exhaust gas stream and methods of preparation
PCT/US2007/079024 WO2008036813A2 (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
BRPI0717414A2 true BRPI0717414A2 (pt) 2013-11-12

Family

ID=39125085

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0717414-4A2A BRPI0717414A2 (pt) 2006-09-20 2007-09-20 Catalisador para reduzir as emissões de nox de uma corrente de gás de escape de um motor de queima pobre, sistema de tratamento de emissões para uma corrente de escape, e, método para preparar um catalisador.

Country Status (12)

Country Link
US (1) US8173574B2 (pt)
EP (1) EP2069053B1 (pt)
JP (1) JP5734565B2 (pt)
KR (2) KR101485201B1 (pt)
CN (1) CN104667915A (pt)
BR (1) BRPI0717414A2 (pt)
CA (1) CA2664403C (pt)
ES (1) ES2391991T3 (pt)
MX (1) MX2009002957A (pt)
MY (1) MY151808A (pt)
RU (1) RU2009114734A (pt)
WO (1) WO2008036813A2 (pt)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7943548B2 (en) * 2006-09-20 2011-05-17 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
DE202007016125U1 (de) * 2007-11-19 2009-05-28 Burkhardt, Roswitha Rußpartikelfilter mit variabel gesteuerter Rußabbrennung
EP2393754A4 (en) * 2009-01-30 2015-08-26 Basf Corp CATALYST FOR THE PRODUCTION OF AMMONIA FROM HYDROCARBON AND NITROGEN OXIDES
US20100251700A1 (en) * 2009-04-02 2010-10-07 Basf Catalysts Llc HC-SCR System for Lean Burn Engines
US8178064B2 (en) * 2009-05-11 2012-05-15 Basf Corporation Treatment of power utilities exhaust
JP5543150B2 (ja) * 2009-08-07 2014-07-09 エヌ・イーケムキャット株式会社 芳香族ニトロ化合物の選択的水素化触媒、その製造方法および再生方法並びにこれを用いた芳香族ニトロ化化合物の選択的水素化方法
US8476187B2 (en) * 2010-01-06 2013-07-02 General Electric Company Process for preparing catalyst powder
FR2967921A1 (fr) * 2010-11-29 2012-06-01 Peugeot Citroen Automobiles Sa Procede de fabrication d'une composition catalytique de reduction selective des oxydes d'azote et vehicule comprenant une telle composition catalytique
US20120144802A1 (en) * 2010-12-10 2012-06-14 Driscoll James J Exhaust system having doc regeneration strategy
KR20120082697A (ko) 2011-01-14 2012-07-24 삼성전자주식회사 Co2 개질용 촉매 조성물
WO2012111163A1 (ja) * 2011-02-14 2012-08-23 トヨタ自動車株式会社 内燃機関の排気浄化装置
GB201111180D0 (en) * 2011-05-20 2011-08-17 Johnson Matthey Plc System and method for generating NO2
GB201111553D0 (en) * 2011-05-20 2011-08-24 Johnson Matthey Plc NOx reduction catalyst
KR20140122117A (ko) 2013-04-09 2014-10-17 삼성전자주식회사 탄화수소의 이산화탄소 개질용 촉매
JP6365340B2 (ja) 2015-02-23 2018-08-01 株式会社Soken 排ガス浄化触媒
PL3307997T3 (pl) * 2015-06-12 2020-08-24 Basf Corporation Układ oczyszczania gazów spalinowych
CN113316480A (zh) * 2019-01-18 2021-08-27 康明斯排放处理公司 具有增强的抗硫性的经处理的scr催化剂

Family Cites Families (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3554929A (en) * 1967-06-08 1971-01-12 Du Pont High surface area alumina coatings on catalyst supports
US3953368A (en) 1971-11-01 1976-04-27 Exxon Research And Engineering Co. Polymetallic cluster compositions useful as hydrocarbon conversion catalysts
DE2737227A1 (de) 1977-08-18 1979-02-22 Motoren Turbinen Union Formkoerper aus keramik, insbesondere siliciumkeramik und verfahren zu seiner herstellung
US4229319A (en) 1979-06-15 1980-10-21 Uop Inc. Attenuated superactive multimetallic catalytic composite
US4341664A (en) 1979-06-15 1982-07-27 Uop Inc. Hydrocarbon dehydrogenation with an attenuated superactive multimetallic catalytic composite for use therein
DE3264660D1 (en) 1981-07-20 1985-08-14 Ford Motor Co Exhaust gas catalyst
EP0172280B1 (en) 1983-03-14 1988-03-09 E.I. Du Pont De Nemours And Company Catalyst composition
US4539308A (en) 1983-10-05 1985-09-03 Phillips Petroleum Company Olefin metathesis catalyst
DE3663518D1 (en) * 1985-06-28 1989-06-29 Shell Int Research Process for the preparation of a silver-containing catalyst
US6087295A (en) 1992-12-14 2000-07-11 Asec Manufacturing Reduction of NOx in the exhaust gases from internal combustion engines containing excess oxygen
JPH06262078A (ja) * 1993-03-10 1994-09-20 Agency Of Ind Science & Technol 排ガス浄化材及び排ガス浄化方法
EP0667182A3 (en) 1994-02-10 1995-10-18 Riken Kk Exhaust gas purifier and method for cleaning exhaust gas.
JPH10501172A (ja) 1994-06-01 1998-02-03 エイエスイーシー・マニュファクチュアリング・カンパニー 過剰な酸素を含む内燃エンジンからの排気ガス中のNO▲x▼の還元用合金化金属触媒
JPH0824653A (ja) * 1994-07-15 1996-01-30 Riken Corp 排ガス浄化材及び排ガス浄化方法
US5475173A (en) 1994-07-19 1995-12-12 Phillips Petroleum Company Hydrogenation process and catalyst therefor
JPH0857263A (ja) * 1994-08-19 1996-03-05 Riken Corp 排ガス浄化材及び排ガス浄化方法
FR2725638A1 (fr) * 1994-10-13 1996-04-19 Rhone Poulenc Chimie Compositions catalytiques pour la reduction des oxydes d'azote a base de tantale, de vanadium, de niobium ou d'antimoine
JPH08168650A (ja) * 1994-12-15 1996-07-02 Riken Corp 排ガス浄化材及び排ガス浄化方法
FR2729090A1 (fr) * 1995-01-11 1996-07-12 Inst Francais Du Petrole Catalyseurs de reduction selective des oxydes d'azote en azote en milieu oxydant, procede de preparation et utilisation
US5593933A (en) 1995-08-30 1997-01-14 Ford Motor Company Refractory oxides based silver-tungsten lean-NOx catalyst
AU1409397A (en) 1995-12-15 1997-07-14 Ppg Industries, Inc. Ink-jet printing media
JP4058503B2 (ja) * 1996-10-22 2008-03-12 エヌ・イーケムキャット株式会社 排ガス浄化用触媒層、排ガス浄化用触媒被覆構造体およびこれを使用した排ガス浄化方法
DE19653200A1 (de) 1996-12-19 1998-06-25 Basf Ag Verfahren zur Reduktion von Stickoxiden
JP4088357B2 (ja) * 1997-06-12 2008-05-21 財団法人石油産業活性化センター 排ガス浄化方法
US5880196A (en) 1997-06-13 1999-03-09 Ppg Industries, Inc. Inkjet printing media
JPH1134484A (ja) * 1997-07-23 1999-02-09 Mitsubishi Paper Mills Ltd インクジェット用被記録材料
JPH1199319A (ja) * 1997-07-28 1999-04-13 Petroleum Energy Center Found 排ガス浄化方法
US6074973A (en) 1998-03-20 2000-06-13 Engelhard Corporation Catalyzed hydrocarbon trap material and method of making the same
US5980844A (en) * 1998-04-09 1999-11-09 Asec Manufacturing SO2 -tolerant silver oxide catalysts
DE19820828B4 (de) 1998-05-09 2004-06-24 Daimlerchrysler Ag Stickoxidemissionsmindernde Abgasreinigungsanlage
JP2000015099A (ja) * 1998-06-29 2000-01-18 Tokyo Gas Co Ltd NOx含有排ガス浄化用触媒及びNOx含有排ガスの浄化方法
US7232786B2 (en) 1998-09-14 2007-06-19 Shell Oil Company Catalyst composition
GB9919013D0 (en) 1999-08-13 1999-10-13 Johnson Matthey Plc Reactor
JP2001113134A (ja) * 1999-10-20 2001-04-24 Tokyo Gas Co Ltd NOx含有排ガスの浄化方法
GB0020287D0 (en) * 2000-08-17 2000-10-04 Aea Technology Plc The catalytic treatment of gases
KR100442769B1 (ko) * 2001-10-22 2004-08-02 주식회사 제너럴시스템 고효율 은계 촉매 및 그 제조방법
CA2511998C (en) * 2002-12-26 2011-11-22 Idemitsu Kosan Co., Ltd. Method for removing sulfur compound in hydrocarbon-containing gas
US7399729B2 (en) 2003-12-22 2008-07-15 General Electric Company Catalyst system for the reduction of NOx
US7146802B2 (en) * 2004-10-07 2006-12-12 General Motors Corporation Reducing NOx emissions with a staged catalyst
CN100371072C (zh) * 2005-09-30 2008-02-27 清华大学 稀燃汽油车尾气排放氮氧化物选择性还原催化剂制备方法
US7943548B2 (en) 2006-09-20 2011-05-17 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

Also Published As

Publication number Publication date
KR20140139625A (ko) 2014-12-05
JP5734565B2 (ja) 2015-06-17
CA2664403A1 (en) 2008-03-27
EP2069053A2 (en) 2009-06-17
KR101485201B1 (ko) 2015-01-22
CN104667915A (zh) 2015-06-03
CA2664403C (en) 2015-06-09
WO2008036813A2 (en) 2008-03-27
US20080069741A1 (en) 2008-03-20
JP2010504206A (ja) 2010-02-12
KR20090057127A (ko) 2009-06-03
MY151808A (en) 2014-07-14
ES2391991T3 (es) 2012-12-03
US8173574B2 (en) 2012-05-08
MX2009002957A (es) 2009-04-16
WO2008036813A3 (en) 2008-05-08
EP2069053B1 (en) 2012-08-29
RU2009114734A (ru) 2010-10-27

Similar Documents

Publication Publication Date Title
BRPI0717414A2 (pt) Catalisador para reduzir as emissões de nox de uma corrente de gás de escape de um motor de queima pobre, sistema de tratamento de emissões para uma corrente de escape, e, método para preparar um catalisador.
BRPI0717417A2 (pt) 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.
BRPI0921500A2 (pt) sistema catalisador para tratar uma corrente de gás de escapamento, método para preparar um sistema catalisador, e, método para tratar emissões produzidas em uma corrente de gás de escapamento de um motor de queima pobre.
BRPI0807379A2 (pt) Método para tratar emissões produzidas na corrente de gás de escapamento de um veículo de queima pobre ou a diesel, catalisador para a oxidação de amônia, e, sistema de tratamento para uma corrente de escapamento contendo nox.
BRPI0923710A2 (pt) sistema de tratamento de emissões para tratamento de uma corrente de gás, de descarga do motor, e método para tratar uma corrente de gás de descarga do motor.
BRPI0719699A2 (pt) Sistema de tratamento de emissão, e, método para tratar corrente de exaustão de um motor a diesel.
BRPI0719698A2 (pt) Sistema de tratamento de emissão, e, método para tratar corrente de exaustão de um motor a diesel.
BR112015002971A2 (pt) compósito catalisador de oxidação, método para tratar um gás de escape de um motor de combustão pobre, e, sistema para tratamento de emissão de gás de escape de um motor de combustão pobre
BRPI1008393A2 (pt) compósito de catalisador de gás de descarga de motor, e, método e sistema para tratar uma corrente de descarga de motor a diesel
BRPI1015329A2 (pt) "compósito de catalisador de tratamento de gás de escapamento, sistema para tratar uma corrente de escapamento de motor de combustão interna, e, método para tratar gases de escapamento."
BRPI0820803A2 (pt) Sistema de tratamento de emissão para tratamento de uma corrente de escapamento proveniente de um motor, e, métodos de tratamento de uma corrente de escapamento proveniente de um motor a diesel e de tratamento de uma corrente de gás de escapamento proveniente de um motor a diesel
BR112014015601A2 (pt) captador de nox, sistema de escape para motores de combustão interna, e, método para o tratamento de um gás de escape de um motor de combustão interna
BR112012002442A2 (pt) sistema de tratamento para uma corrente de gás de exaustão de motor a gasolina,e,método para o tratamento de gás de exaustão de motor a gasolina.
BRPI0914714A2 (pt) sistema de catalisador/captador de nox pobre e sistema de tratamento de gás de descarga para o tratamento de emissões de gás de descarga
BR112017028256A2 (pt) adsorvedor de nox passivo, sistema de escape para motores de combustão interna, método para reduzir nox em um gás de escape, e, catalisador
BR112014008228A2 (pt) catalisador de oxidação, monólito de substrato catalisado, sistema de escape para um motor de combustão interna de queima pobre, motor de combustão interna de queima pobre, e, método para reduzir ou evitar que um catalisador de redução catalítica seletiva se envenene com platina
BR112013032528A2 (pt) sistema de escape para motores de combustão interna, substrato catalisado, e, método para tratar um gás de escape de um motor de combustão interna
BRPI0924120A2 (pt) método para purificação gás de escape de um motor a diesel em um sistema, e, sistema
BRPI0911557A2 (pt) quemador de baixo nox, forno emissor de baixo nox, e, método para diminuir as emissões de nox de um forno.
BRPI0810133A2 (pt) 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
BRPI1013674A2 (pt) sistema para tratamento de emissões, e, método para converter nox em uma corrente de gás de descarga
BR112014013261A2 (pt) monólito de substrato catalisado para uso no tratamento de gás de escape, sistema de escape para um motor de combustão interna de queima pobre, motor de combustão interna de queima pobre, veículo, e, método para reduzir ou prevenir um catalisador de redução catalítica seletivo
BRPI1015322A2 (pt) artigo catalítico, sistema de tratamento de emissões, e, método de tratar uma corrente de gás de descarga de motor
BRPI0716666A2 (pt) Catalisador de tratamento de gás de escapamento automotivo, e, método de tratar um gás de escapamento automotivo
BRPI0920139A2 (pt) sistema de combustão, método de controle de combustão, e, sistema de combustor.

Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL