ZA926819B - Catalytic reduction of NOx and carbon monoxide using methane in the presence of oxygen - Google Patents

Catalytic reduction of NOx and carbon monoxide using methane in the presence of oxygen

Info

Publication number
ZA926819B
ZA926819B ZA926819A ZA926819A ZA926819B ZA 926819 B ZA926819 B ZA 926819B ZA 926819 A ZA926819 A ZA 926819A ZA 926819 A ZA926819 A ZA 926819A ZA 926819 B ZA926819 B ZA 926819B
Authority
ZA
South Africa
Prior art keywords
nox
methane
oxygen
carbon monoxide
catalytic reduction
Prior art date
Application number
ZA926819A
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 ZA926819B publication Critical patent/ZA926819B/xx

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)
ZA926819A 1992-08-13 1992-09-08 Catalytic reduction of NOx and carbon monoxide using methane in the presence of oxygen ZA926819B (en)

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
ZA926819B true ZA926819B (en) 1994-03-08

Family

ID=25458169

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA926819A ZA926819B (en) 1992-08-13 1992-09-08 Catalytic reduction of NOx and carbon monoxide using methane in the presence of oxygen

Country Status (14)

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

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 (de) * 1994-02-10 1995-10-18 Riken Kk Abgasreiniger und Methode zum Reinigen von Abgas.
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 (de) * 1998-03-09 2008-07-02 Osaka Gas Company Limited Verfahren zur entfernung von methan aus abgasen
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 (de) * 2005-02-28 2007-12-19 Catalytic Solutions, Inc. Katalysator und verfahren zur reduktion von stickstoffoxiden in abgasströmen mit kohlenwasserstoffen oder alkoholen
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 (de) * 2017-02-13 2020-12-02 Hewlett-Packard Development Company, L.P. Reibungsscharniere
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 (de) * 1987-10-07 1992-07-01 Tosoh Corporation Verfahren zur Herstellung eines Kupfer enthaltenden Zeoliths und Methode für seine Anwendung
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
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
BR9203536A (pt) 1994-03-01
JPH0749095B2 (ja) 1995-05-31
JPH0686915A (ja) 1994-03-29
EP0582743A1 (de) 1994-02-16
FI923932A (fi) 1994-02-14
AU2215592A (en) 1994-02-17

Similar Documents

Publication Publication Date Title
ZA926819B (en) Catalytic reduction of NOx and carbon monoxide using methane in the presence of oxygen
ZA925779B (en) Catalytic reduction of NOx using methane in the presence of oxygen
DE69322475D1 (de) Verfahren zur katalytischen Umsetzung von Wasserstoff und Kohlenmonoxid
DE69627231D1 (de) Katalysator zur Reduktion von Stickstoffoxiden in oxidierender Atmosphäre und dessen Verwendung
AU582908B2 (en) Method of simultaneous oxidation of carbon monoxide and unburned fuel in methanol-fueled vehicle exhaust
IL116375A0 (en) Reaction of carbon materials with diazonium salts and resultant carbon products
EP0731257A3 (de) Kombinierter Schalldämpfer und katalytischer Umwandler
ZA955578B (en) Process for the preparation of hydrogen and carbon monoxide containing mixtures
ZA9410246B (en) A process for the preparation of carbon monoxide and/or hydrogen
EP0287217A3 (en) Catalyst for simultaneous decomposition of oxides of nitrogen and oxidation of carbon monoxide under cycled operating conditions
GB9412673D0 (en) Catalyst for reduction of carbon dioxide
DE3869035D1 (de) Oxidation von kohlenmonoxid und katalytische zusammensetzung dazu.
SG49196A1 (en) Silver-containing alumina supported catalyst and the catalytic decomposition of dinitrogen monoxide which is pure or present in gas mixture
AU635304B2 (en) Catalyst or catalyst precursor suitable for the preparation of hydrocarbons from carbon monoxide and hydrogen
AU8649891A (en) Reduction of nitrogen oxide and carbon monoxide in effluent gases
AU2117095A (en) Co oxidation promoter and use thereof for catalytic cracking
AU3921889A (en) Carbon monoxide oxidation catalyst
AU7909687A (en) Catalyst for the reduction of nitrogen oxides in waste gases
AU3637093A (en) Gas treatment reductor catalytic systems and oxygen generating catalytic exhaust pipe
AU2707892A (en) Catalyst and process for the catalytic partial oxidation of hydrocarbons
GB2276098B (en) Exhaust system with catalytic converter and pre-heating arrangement therefor
PL332611A1 (en) Catalyst in particular that for nox reduction and nox reduction process
ZA957566B (en) Hot gas line for gases containing hydrogen and carbon monoxide
AU545930B2 (en) Catalytic reduction of carbon monoxide content in a fuel gas
AU3831395A (en) Catalytic conversion of water and carbon dioxide to low cost energy, hydrogen, carbon monoxide, oxygen and hydrocarbons