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FR2167780A5 - - Google Patents

Info

Publication number
FR2167780A5
FR2167780A5 FR7300420A FR7300420A FR2167780A5 FR 2167780 A5 FR2167780 A5 FR 2167780A5 FR 7300420 A FR7300420 A FR 7300420A FR 7300420 A FR7300420 A FR 7300420A FR 2167780 A5 FR2167780 A5 FR 2167780A5
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7300420A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Monsanto Co
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Application granted granted Critical
Publication of FR2167780A5 publication Critical patent/FR2167780A5/fr
Expired legal-status Critical Current

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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment
    • 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
    • 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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9463—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick
    • B01D53/9472—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick in different zones
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/10—Oxidants
    • B01D2251/102—Oxygen
    • 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
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1026—Ruthenium
    • 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
    • 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

  • 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)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
FR7300420A 1972-01-07 1973-01-05 Expired FR2167780A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00216224A US3809743A (en) 1972-01-07 1972-01-07 Process for treating automotive exhaust

Publications (1)

Publication Number Publication Date
FR2167780A5 true FR2167780A5 (fr) 1973-08-24

Family

ID=22806250

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7300420A Expired FR2167780A5 (fr) 1972-01-07 1973-01-05

Country Status (6)

Country Link
US (1) US3809743A (fr)
JP (1) JPS4879760A (fr)
AU (1) AU5076673A (fr)
DE (1) DE2300455A1 (fr)
FR (1) FR2167780A5 (fr)
GB (1) GB1404711A (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225884B2 (fr) * 1971-12-29 1977-07-11
JPS5331838B2 (fr) * 1972-04-15 1978-09-05
US3896616A (en) * 1972-04-21 1975-07-29 Engelhard Min & Chem Process and apparatus
US3898181A (en) * 1973-02-08 1975-08-05 Monsanto Co Layered rhodium and nickel
US3914376A (en) * 1973-02-08 1975-10-21 Monsanto Co Layered rhodium and nickel catalyst for NO{HD x {b reduction
US3972837A (en) * 1973-07-03 1976-08-03 Johnson Matthey & Co., Limited Catalyst for purifying automotive exhaust gases
DE2337228A1 (de) * 1973-07-21 1975-02-06 Daimler Benz Ag Brennkraftmaschine mit einer auslassleitung mit reduktionskatalysator und oxydationskatalysator
US3950944A (en) * 1973-11-14 1976-04-20 Toyo Kogyo Co., Ltd. Exhaust gas cleaning system for the internal combustion engine
US3978193A (en) * 1974-01-29 1976-08-31 Gould Inc. Method and apparatus for treating exhaust gases
US3953576A (en) * 1974-02-13 1976-04-27 Standard Oil Company Maximizing conversion of nitrogen oxides in the treatment of combustion exhaust gases
US3922235A (en) * 1974-07-31 1975-11-25 Exxon Research Engineering Co Stabilized ruthenium catalysts for selective reduction of oxides of nitrogen
ZA756805B (en) * 1974-10-30 1976-10-27 Union Carbide Corp Water swellable poly (alkylene oxide)
US4024706A (en) * 1976-01-07 1977-05-24 Ford Motor Company Method of improving the operational capacity of three-way catalysts
US4199938A (en) * 1976-12-26 1980-04-29 Nippon Soken, Inc. Method of operating a three-way catalyst for internal combustion engines
JP2618764B2 (ja) * 1991-04-26 1997-06-11 本田技研工業株式会社 内燃機関の排気浄化方法及び装置
US5577383A (en) * 1991-09-20 1996-11-26 Hitachi, Ltd. Apparatus for controlling internal combustion engine
US6080377A (en) * 1995-04-27 2000-06-27 Engelhard Corporation Method of abating NOx and a catalytic material therefor
US6471924B1 (en) 1995-07-12 2002-10-29 Engelhard Corporation Method and apparatus for NOx abatement in lean gaseous streams
US5792436A (en) * 1996-05-13 1998-08-11 Engelhard Corporation Method for using a regenerable catalyzed trap
US6497848B1 (en) 1999-04-02 2002-12-24 Engelhard Corporation Catalytic trap with potassium component and method of using the same
KR100542911B1 (ko) * 2003-10-25 2006-01-11 한국과학기술연구원 연료전지 자동차에 이용되는 가솔린 개질용 저압차 촉매와 이의 제조방법
DK2054139T3 (da) * 2006-08-01 2011-06-06 Cormetech Inc Fremgangsmåde til behandling af udstødningsgasser
CA2882833C (fr) 2012-08-24 2019-09-17 Robert Alexander Procede et systeme pour ameliorer les economies de carburant et reduire les emissions des moteurs a combustion interne
GB201617349D0 (en) * 2016-10-13 2016-11-30 Johnson Matthey Public Limited Company Oxidation catalyst for hydrocarbons produced by an internal combustion engine
US10400687B2 (en) 2016-10-20 2019-09-03 Dynacert Inc. Management system and method for regulating the on-demand electrolytic production of hydrogen and oxygen gas for injection into a combustion engine
MX2020011316A (es) 2018-04-27 2020-11-18 Dynacert Inc Sistemas y metodos para mejorar la economia de combustible de los motores de combustion interna.

Also Published As

Publication number Publication date
DE2300455A1 (de) 1973-07-12
US3809743A (en) 1974-05-07
JPS4879760A (fr) 1973-10-25
GB1404711A (en) 1975-09-03
AU5076673A (en) 1974-07-11

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Legal Events

Date Code Title Description
ST Notification of lapse