JPS5322557B2 - - Google Patents

Info

Publication number
JPS5322557B2
JPS5322557B2 JP4236973A JP4236973A JPS5322557B2 JP S5322557 B2 JPS5322557 B2 JP S5322557B2 JP 4236973 A JP4236973 A JP 4236973A JP 4236973 A JP4236973 A JP 4236973A JP S5322557 B2 JPS5322557 B2 JP S5322557B2
Authority
JP
Japan
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
JP4236973A
Other languages
Japanese (ja)
Other versions
JPS49128893A (US20030220297A1-20031127-C00009.png
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 filed Critical
Priority to JP4236973A priority Critical patent/JPS5322557B2/ja
Priority to US05/460,580 priority patent/US3931050A/en
Publication of JPS49128893A publication Critical patent/JPS49128893A/ja
Publication of JPS5322557B2 publication Critical patent/JPS5322557B2/ja
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
    • 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
    • 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
    • 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
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • 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
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0244—Coatings comprising several layers
    • 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
    • B01D2255/1021—Platinum
    • 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
    • B01D2255/202—Alkali metals
    • B01D2255/2025—Lithium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2042—Barium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2063—Lanthanum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
JP4236973A 1973-04-13 1973-04-13 Expired JPS5322557B2 (US20030220297A1-20031127-C00009.png)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP4236973A JPS5322557B2 (US20030220297A1-20031127-C00009.png) 1973-04-13 1973-04-13
US05/460,580 US3931050A (en) 1973-04-13 1974-04-12 Catalyst for purifying exhaust gas from vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4236973A JPS5322557B2 (US20030220297A1-20031127-C00009.png) 1973-04-13 1973-04-13

Publications (2)

Publication Number Publication Date
JPS49128893A JPS49128893A (US20030220297A1-20031127-C00009.png) 1974-12-10
JPS5322557B2 true JPS5322557B2 (US20030220297A1-20031127-C00009.png) 1978-07-10

Family

ID=12634114

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4236973A Expired JPS5322557B2 (US20030220297A1-20031127-C00009.png) 1973-04-13 1973-04-13

Country Status (2)

Country Link
US (1) US3931050A (US20030220297A1-20031127-C00009.png)
JP (1) JPS5322557B2 (US20030220297A1-20031127-C00009.png)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5192545U (US20030220297A1-20031127-C00009.png) * 1975-01-22 1976-07-24
JPS5366886A (en) * 1976-11-27 1978-06-14 Matsushita Electric Ind Co Ltd Catalyst
US4189404A (en) * 1977-01-06 1980-02-19 Engelhard Minerals & Chemicals Corporation Catalyst and process of its preparation
US4206087A (en) * 1977-01-06 1980-06-03 Engelhard Minerals & Chemicals Corporation Catalyst for reducing pollutants in waste gas streams and process for preparing the catalyst
US4101287A (en) * 1977-01-21 1978-07-18 Exxon Research & Engineering Co. Combined heat exchanger reactor
JPS5445262U (US20030220297A1-20031127-C00009.png) * 1978-07-26 1979-03-28
US4276203A (en) * 1979-04-26 1981-06-30 Acurex Corporation Catalytic system and process for producing it
JPS55152551A (en) * 1979-05-15 1980-11-27 Mazda Motor Corp Cleaning catalyst for exhaust gas of automobile
JPS574235A (en) * 1980-06-12 1982-01-09 Toru Mashida Catalytic device
US4480050A (en) * 1982-08-02 1984-10-30 Uop Inc. Exhaust gas oxidation catalyst
US4572904A (en) * 1983-09-27 1986-02-25 Signal Applied Technologies Inc. Lead-tolerant catalyst system for treating exhaust gas containing lead compounds
DE3407172C2 (de) * 1984-02-28 1986-09-04 Degussa Ag, 6000 Frankfurt Einrichtung zur Reinigung der Abgase von Dieselmotoren
JPS6174650A (ja) * 1984-09-18 1986-04-16 Toyota Motor Corp 排気ガス浄化用モノリス触媒
US4650782A (en) * 1984-11-21 1987-03-17 Allied Corporation Lead-tolerant catalyst for treating exhaust gas in the presence of SO2
JPS61268356A (ja) * 1985-01-09 1986-11-27 Nippon Denso Co Ltd 触媒担体へのアルミナの担持方法
DE3512586A1 (de) * 1985-04-06 1986-10-09 Dynamit Nobel Ag, 5210 Troisdorf Abgaskatalysator-traeger aus anorganischen formmassen
GB8620982D0 (en) * 1986-08-29 1986-10-08 Shell Int Research Catalyst preparation
US5024824A (en) * 1987-08-24 1991-06-18 Allied-Signal Inc. Layered automotive catalytic composite
US4868148A (en) * 1987-08-24 1989-09-19 Allied-Signal Inc. Layered automotive catalytic composite
SE462143C (sv) * 1988-03-07 1996-02-19 Heraeus Gmbh W C Katalysator för bilavgasrening, förfarande för framställning därav samt användning därav
JPH02274864A (ja) * 1989-04-17 1990-11-09 Nippon Yakin Kogyo Co Ltd ブレード状酸化物を有するフェライトステンレス鋼及びその製造方法
JP2897367B2 (ja) * 1990-01-12 1999-05-31 日本特殊陶業株式会社 被毒防止体、被毒防止層付触媒及び排気ガス浄化装置
US5334790A (en) * 1992-02-26 1994-08-02 Catalytica Process and catalyst for partially hydrogenating aromatics to produce cycloolefins
US6010673A (en) * 1992-09-21 2000-01-04 Toyota Jidosha Kabushiki Kaisha Method for purifying exhaust gas
DE69427602T2 (de) * 1993-01-11 2001-11-22 Toyota Chuo Kenkyusho Aichi Kk Verfahren zur Reinigung von Abgasen
JP3291086B2 (ja) * 1993-09-24 2002-06-10 トヨタ自動車株式会社 排ガス浄化用触媒及び排ガス浄化方法
EP0661089B1 (en) * 1993-12-28 1998-03-11 Kabushiki Kaisha Riken Device and method for cleaning exhaust gas
US5451558A (en) * 1994-02-04 1995-09-19 Goal Line Environmental Technologies Process for the reaction and absorption of gaseous air pollutants, apparatus therefor and method of making the same
FR2730175B1 (fr) * 1995-02-03 1997-04-04 Inst Francais Du Petrole Catalyseurs de reduction des oxydes d'azote en azote moleculaire dans un milieu surstoechiometrique en composes oxydants, procede de preparation et utilisations
US5874057A (en) * 1995-07-12 1999-02-23 Engelhard Corporation Lean NOx catalyst/trap method
US6165429A (en) * 1997-01-10 2000-12-26 Toyota Jidosha Kabushiki Kaisha Exhaust gas purifying catalyst and exhaust gas purifying method
US6103207A (en) * 1999-04-26 2000-08-15 Ford Global Technologies, Inc. Treating diesel exhaust with a catalytic particulate mixture
DE10037165A1 (de) * 2000-07-20 2002-02-21 Inst Angewandte Chemie Berlin Katalysator für die Entfernung von Kohlenwasserstoffspuren aus Gasströmen
IT1319258B1 (it) * 2000-10-31 2003-09-26 Sued Chemie Mt Srl Catalizzatore per la idrodeclorurazione del tetracloruro di carbonio acloroformio.
SE0203317L (sv) * 2002-11-11 2004-05-12 Perstorp Formox Ab Katalysator för katalytisk oxidation av kolväten
US7230035B2 (en) * 2002-12-30 2007-06-12 Conocophillips Company Catalysts for the conversion of methane to synthesis gas
JP5504834B2 (ja) * 2009-11-13 2014-05-28 トヨタ自動車株式会社 排ガス浄化用触媒
MX2018001287A (es) * 2015-07-30 2018-04-30 Basf Corp Catalizador de oxidacion diesel.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3565830A (en) * 1963-02-07 1971-02-23 Engelhard Min & Chem Coated film of catalytically active oxide on a refractory support

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3397154A (en) * 1963-07-09 1968-08-13 Du Pont Preparation of alumina-supported catalyst compositions and the products thereof
DE1135430B (de) * 1969-06-16 1962-08-30 Engelhard Ind Inc Verfahren zur selektiven Reduktion von Oxyden des Stickstoffs in Abgasgemischen, diebei der Herstellung von Salpetersaeure aus Ammoniak anfallen
US3755534A (en) * 1971-08-12 1973-08-28 Grace W R & Co Catalytic control of auto exhaust emissions
JPS5338714B2 (US20030220297A1-20031127-C00009.png) * 1971-10-04 1978-10-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3565830A (en) * 1963-02-07 1971-02-23 Engelhard Min & Chem Coated film of catalytically active oxide on a refractory support

Also Published As

Publication number Publication date
JPS49128893A (US20030220297A1-20031127-C00009.png) 1974-12-10
US3931050A (en) 1976-01-06

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