BR9203536A - Processo para destruir oxidos de nitrogenio e monoxido de carbono em um produto de combustao - Google Patents

Processo para destruir oxidos de nitrogenio e monoxido de carbono em um produto de combustao

Info

Publication number
BR9203536A
BR9203536A BR929203536A BR9203536A BR9203536A BR 9203536 A BR9203536 A BR 9203536A BR 929203536 A BR929203536 A BR 929203536A BR 9203536 A BR9203536 A BR 9203536A BR 9203536 A BR9203536 A BR 9203536A
Authority
BR
Brazil
Prior art keywords
carbon monoxide
nitrogen oxides
combustion product
destroy
destroy nitrogen
Prior art date
Application number
BR929203536A
Other languages
English (en)
Inventor
Yuejin Li
John Nelson Armor
Original Assignee
Air Prod & Chem
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 Air Prod & Chem filed Critical Air Prod & Chem
Publication of BR9203536A publication Critical patent/BR9203536A/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
    • B01D53/38—Removing components of undefined structure
    • 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
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—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
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/061—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing metallic elements added to the zeolite
    • 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 ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • 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
    • F01N3/10—Exhaust 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
    • F01N3/18—Exhaust 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 characterised by methods of operation; Control
    • F01N3/20—Exhaust 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 characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • 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
    • B01D2255/1023—Palladium
    • 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
    • B01D2255/1025—Rhodium
    • 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
    • B01D2255/2073—Manganese
    • 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
    • B01D2255/20746—Cobalt
    • 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
    • B01D2255/20753—Nickel
    • 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
    • B01D2255/912—HC-storage component incorporated in the catalyst
    • 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
    • F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
    • 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
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/20—Capture or disposal of greenhouse gases of methane
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Toxicology (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Chimneys And Flues (AREA)
  • Treating Waste Gases (AREA)
BR929203536A 1992-08-13 1992-09-11 Processo para destruir oxidos de nitrogenio e monoxido de carbono em um produto de combustao BR9203536A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/929,619 US5260043A (en) 1991-08-01 1992-08-13 Catalytic reduction of NOx and carbon monoxide using methane in the presence of oxygen

Publications (1)

Publication Number Publication Date
BR9203536A true BR9203536A (pt) 1994-03-01

Family

ID=25458169

Family Applications (1)

Application Number Title Priority Date Filing Date
BR929203536A BR9203536A (pt) 1992-08-13 1992-09-11 Processo para destruir oxidos de nitrogenio e monoxido de carbono em um produto de combustao

Country Status (14)

Country Link
US (1) US5260043A (pt)
EP (1) EP0582743A1 (pt)
JP (1) JPH0749095B2 (pt)
KR (1) KR960000013B1 (pt)
CN (1) CN1081931A (pt)
AU (1) AU2215592A (pt)
BR (1) BR9203536A (pt)
CA (1) CA2077202A1 (pt)
FI (1) FI923932A (pt)
MX (1) MX9205218A (pt)
NZ (1) NZ244172A (pt)
PT (1) PT100864A (pt)
TW (1) TW211527B (pt)
ZA (1) ZA926819B (pt)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6042797A (en) * 1997-07-02 2000-03-28 Tosoh Corporation Adsorbent for ethylene, method for adsorbing and removing ethylene and method for purifying an exhaust gas
CA2032799C (en) * 1989-12-21 1996-01-30 Akinori Eshita Catalyst for and method of purifying oxygen-excess exhaust gas
US5407651A (en) * 1991-02-15 1995-04-18 Tosoh Corporation Catalyst for and method of purifying exhaust gas
US5451385A (en) * 1991-08-01 1995-09-19 Air Products And Chemicals, Inc. Control of exhaust emissions from methane-fueled internal combustion engines
US5316661A (en) * 1992-07-08 1994-05-31 Mobil Oil Corporation Processes for converting feedstock organic compounds
US5382280A (en) * 1993-11-16 1995-01-17 Air Products And Chemicals, Inc. Two stage pressure swing adsorption process for producing the less strongly adsorbed component of a feed gas mixture
EP0667182A3 (en) * 1994-02-10 1995-10-18 Riken Kk Exhaust gas purifier and method for cleaning exhaust gas.
FR2723699B1 (fr) * 1994-08-18 1996-10-25 Renault Catalyseurs pour la reduction d'oxydes d'azote
US5547651A (en) * 1995-04-17 1996-08-20 Sol Bleiweis Process for production and use of deactivated gaseous atomic nitrogen for post combustion gas nitric oxide emissions control
ES2162642T3 (es) * 1995-04-17 2002-01-01 Enitecnologie Spa Catalizador de reduccion de oxidos de nitrogeno y procedimiento para la reduccion de oxidos de nitrogeno en un gas de escape.
DE69629258T2 (de) * 1995-10-06 2004-04-22 Enitecnologie S.P.A. Katalysator und Verfahren zur Entfernung von Stickstoffoxiden in Abgas
US6033641A (en) * 1996-04-18 2000-03-07 University Of Pittsburgh Of The Comonwealth System Of Higher Education Catalyst for purifying the exhaust gas from the combustion in an engine or gas turbines and method of making and using the same
JP3643676B2 (ja) * 1997-07-16 2005-04-27 三菱重工業株式会社 ボイラ排ガスの油田への圧入方法
EP1063010B1 (en) * 1998-03-09 2008-07-02 Osaka Gas Company Limited Method for removing methane from exhaust gas
NO982491L (no) * 1998-05-29 1999-11-30 Naturkraft As Fremgangsmåte for å fremstille en gassblanding og anvendelse av den fremstilte gassblandingen
US6143681A (en) * 1998-07-10 2000-11-07 Northwestern University NOx reduction catalyst
AU1235501A (en) * 1999-10-28 2001-05-08 Regents Of The University Of California, The Catalysts for lean burn engine exhaust abatement
US6606856B1 (en) * 2000-03-03 2003-08-19 The Lubrizol Corporation Process for reducing pollutants from the exhaust of a diesel engine
US6612249B2 (en) 2000-03-24 2003-09-02 Unique Patents.Com, Llc Zero NOx gaseous passivation process
DE60143944D1 (de) 2001-09-28 2011-03-10 Sued Chemie Ag Poröser Katalysator, Verfahren und Anordnung zur katalytischen Konversion von Abgasen
KR100453380B1 (ko) * 2001-12-27 2004-10-15 한국가스공사 질소산화물 제거용 공양이온 교환 페리어라이트 촉매 및이를 이용한 질소산화물의 제거방법
US7137382B2 (en) * 2002-11-01 2006-11-21 Visteon Global Technologies, Inc. Optimal wide open throttle air/fuel ratio control
CA2522531C (en) 2003-04-17 2012-07-24 Johnson Matthey Public Limited Company Method of decomposing nitrogen dioxide
US20050100494A1 (en) 2003-11-06 2005-05-12 George Yaluris Ferrierite compositions for reducing NOx emissions during fluid catalytic cracking
US7304011B2 (en) 2004-04-15 2007-12-04 W.R. Grace & Co. -Conn. Compositions and processes for reducing NOx emissions during fluid catalytic cracking
US20050232839A1 (en) 2004-04-15 2005-10-20 George Yaluris Compositions and processes for reducing NOx emissions during fluid catalytic cracking
EP1866088A2 (en) * 2005-02-28 2007-12-19 Catalytic Solutions, Inc. Catalyst and method for reducing nitrogen oxides in exhaust streams with hydrocarbons or alcohols
US7488462B2 (en) * 2005-04-26 2009-02-10 The Ohio State University Multi-stage catalyst systems and uses thereof
BRPI0610326B1 (pt) 2005-04-27 2015-07-21 Grace W R & Co Composições e processos para reduzir emissões de nox durante o craqueamento catalítico de fluído.
US20060277897A1 (en) * 2005-06-08 2006-12-14 Ralph Slone NOx reduction system and method
US7455046B2 (en) * 2005-08-30 2008-11-25 U Chicago Argonne Llc Nitrogen enriched combustion of a natural gas internal combustion engine to reduce NOx emissions
KR100847739B1 (ko) * 2006-08-01 2008-07-23 고등기술연구원연구조합 아산화질소 제거용 촉매와 그 제조방법 및 그 촉매를이용한 아산화질소 제거방법
DE102008062495A1 (de) * 2008-12-16 2010-06-17 Linde-Kca-Dresden Gmbh Verfahren und Vorrichtung zur katalytischen Entstickung von Gasströmen aus Großfeuerungsanlage
AT507773B1 (de) * 2009-07-15 2010-08-15 Scheuch Gmbh Verfahren und vorrichtung zur entstickung von rauchgasen
CN101711991B (zh) * 2009-10-15 2012-07-18 清华大学 一种Fe分子筛复合催化剂及其制备方法
US8323602B2 (en) 2010-07-08 2012-12-04 Air Products And Chemicals, Inc. Treatment of flue gas from an oxyfuel combustion process
CN103097006B (zh) 2010-08-27 2015-04-01 丹麦科技大学 具有铁或铜的丝光沸石型沸石scr催化剂
PL2611524T3 (pl) 2010-09-03 2014-10-31 Univ Danmarks Tekniske Katalizator z heteropolikwasem jako promotorem do SCR NOx z amoniakiem
JP2013099715A (ja) * 2011-11-08 2013-05-23 Hitachi Zosen Corp 燃焼排ガス中の窒素酸化物の除去触媒および同触媒を用いる窒素酸化物の除去方法
US9194266B2 (en) 2012-07-27 2015-11-24 Caterpillar Inc. Exhaust system
WO2014150944A1 (en) 2013-03-15 2014-09-25 Seerstone Llc Methods of producing hydrogen and solid carbon
WO2014151135A2 (en) * 2013-03-15 2014-09-25 Seerstone Llc Direct combustion heating
US10086349B2 (en) 2013-03-15 2018-10-02 Seerstone Llc Reactors, systems, and methods for forming solid products
WO2014151119A2 (en) 2013-03-15 2014-09-25 Seerstone Llc Electrodes comprising nanostructured carbon
US9586823B2 (en) 2013-03-15 2017-03-07 Seerstone Llc Systems for producing solid carbon by reducing carbon oxides
US20160033128A1 (en) * 2013-03-21 2016-02-04 Siemens Aktiengesellschaft Power generation system and method to operate
JP5748894B1 (ja) * 2014-11-07 2015-07-15 三菱重工業株式会社 排ガス処理方法及び脱硝・ｓｏ３還元装置
DE102014226659A1 (de) * 2014-12-19 2016-06-23 Robert Bosch Gmbh Verfahren zum Betreiben eines Methanoxidationskatalysators und Abgasnachbehandlungssystem
DE102015001495A1 (de) * 2015-02-05 2016-08-11 Man Diesel & Turbo Se Brennkraftmaschine und Verfahren zum Betreiben derselben
WO2018022999A1 (en) 2016-07-28 2018-02-01 Seerstone Llc. Solid carbon products comprising compressed carbon nanotubes in a container and methods of forming same
WO2018118416A1 (en) * 2016-12-20 2018-06-28 Exxonmobil Research And Engineering Company Catalyst for fuel upgrading by reforming, methanation and dehydrocracking
EP3580417A4 (en) * 2017-02-13 2020-12-02 Hewlett-Packard Development Company, L.P. FRICTION HINGES
CN109012177B (zh) * 2018-08-29 2023-06-16 华电电力科学研究院有限公司 一种全负荷内燃机氮氧化物控制系统及其工作方法
CN113713608A (zh) * 2021-08-26 2021-11-30 复旦大学 一种用于CO和NOx同时去除的催化剂联用方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3476508A (en) * 1965-10-27 1969-11-04 Exxon Research Engineering Co Catalytic purification treatment of exhaust gas
EP0311066B1 (en) * 1987-10-07 1992-07-01 Tosoh Corporation Process for the production of copper-containing zeolite and the method of application thereof
JPH0763631B2 (ja) * 1988-04-18 1995-07-12 トヨタ自動車株式会社 排気ガス浄化用触媒の製造方法
DE68912262T2 (de) * 1988-10-07 1994-05-11 Sakai Chemical Industry Co Katalysatoren und Verfahren zur Denitrierung.
JPH02291258A (ja) * 1989-05-02 1990-12-03 Tokushima Seiko Kk 製麹装置
JP2928853B2 (ja) * 1989-10-02 1999-08-03 東ソー株式会社 窒素酸化物接触分解触媒及び接触分解方法
US4973399A (en) * 1989-11-03 1990-11-27 Mobil Oil Corporation Catalytic cracking of hydrocarbons
JPH07106300B2 (ja) * 1989-12-08 1995-11-15 財団法人産業創造研究所 燃焼排ガス中の窒素酸化物除去法
JP2850547B2 (ja) * 1990-02-09 1999-01-27 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE69125649T2 (de) * 1990-05-28 1997-09-04 Agency Ind Science Techn Verfahren zum Entfernen von Stickoxiden aus Abgasen
JP2851444B2 (ja) * 1991-01-29 1999-01-27 東ソー株式会社 排気ガス浄化方法
US5407651A (en) * 1991-02-15 1995-04-18 Tosoh Corporation Catalyst for and method of purifying exhaust gas
US5149512A (en) * 1991-08-01 1992-09-22 Air Products And Chemicals, Inc. Catalytic reduction of NOx using methane in the presence of oxygen

Also Published As

Publication number Publication date
KR940003600A (ko) 1994-03-12
MX9205218A (es) 1994-02-28
FI923932A0 (fi) 1992-09-02
PT100864A (pt) 1994-02-28
CN1081931A (zh) 1994-02-16
ZA926819B (en) 1994-03-08
NZ244172A (en) 1994-10-26
US5260043A (en) 1993-11-09
CA2077202A1 (en) 1994-02-14
KR960000013B1 (ko) 1996-01-03
TW211527B (en) 1993-08-21
JPH0749095B2 (ja) 1995-05-31
JPH0686915A (ja) 1994-03-29
EP0582743A1 (en) 1994-02-16
FI923932A (fi) 1994-02-14
AU2215592A (en) 1994-02-17

Similar Documents

Publication Publication Date Title
BR9203536A (pt) Processo para destruir oxidos de nitrogenio e monoxido de carbono em um produto de combustao
BR9202908A (pt) Processo para a destruicao de oxidos de nitrogenio em produtos de combustao
BR9306568A (pt) Processo e composições para aumentar a fixação de carbono em plantas
BR9708533A (pt) Limitado retrorreflexivo artigo e processo para produzir um limitado retrorreflexivo
BR9404470A (pt) Processo para conduçao de combustao com simultânea geraçao reduzida de oxidos de nitrogênio
BR9205025A (pt) Catalisador para a reducao seletiva de oxidos de nitrogenio contidos numa corrente gasosa e aplicacao do referido catalisador
BR9408422A (pt) Processo para a preparação de monóxido de carbono e/ou hidrogênio
DE69535076D1 (de) Kontinuierliches bromierungsverfahren und daraus hergestellte produkte
BR9710862A (pt) Combustivel Útil par combustÆo em motores a diesel e processo para a produ-Æo do mesmo
BR9306333A (pt) Coletor de partícula diesel,cartucho útil em um coletor de partícula diesel e processo para fazer um cartucho que é útil em um coletor de partícula diesel
BR9302494A (pt) Processo e dispositivo para a fabricacao de filtros dobrados em zigue-zague
BR9709239A (pt) Processo e aparelho para a diminuição de nox em correntes gasosas pobres
PT99718A (pt) Processo para a realizacao de combustao em fornalha com producao reduzida de oxidos de azoto
BR8902538A (pt) Processo para combustao de combustivel e oxidante
BR9406985A (pt) Processo para produzir aço em conversor
BR9609762A (pt) Catalisador de hidroconversão processo de hidroconvers o processo para produzir componentes de combustíveis de transporte e composição
EP0350706A3 (en) Process for reducing nitrogen oxides in combustion gases
BR8606831A (pt) Processo para a recuperacao de metal e composicoes utilizaveis no mesmo
BR8900700A (pt) Processo para purificacao de gas de descarga e processo para producao de catalisador de purificacao de gas de descarga
BR8901508A (pt) Sistema e processo para a producao no local de nitrogenio
BR9608193A (pt) Processo para diminuir nox e preparaçao de material catalítico para o mesmo
BR9102058A (pt) Aparelho e processo para introduzir particulas de catalisador em um leito movel de catalisador
ID21192A (id) Alat dan cara kriogenik untuk memproduksi nitrogen dengan kemurnian sangat tinggi
BR9303245A (pt) Processo para inibir a formacao de grelos em culturas agronomicas
BR9509616A (pt) Aperfeiçoamento em processo para produzir um artigo de aço laminado artigo de aço laminado processo para produzir um artigo de aço em chapa de baixo de carbono e artigo de aço em chapa

Legal Events

Date Code Title Description
EE Request for examination
FD5 Application fees: dismissal - article 86 of industrial property law
B15K Others concerning applications: alteration of classification

Ipc: B01D 53/94 (2006.01), B01D 53/86 (2006.0