NO20014931D0 - Compositions used as NOx trap, based on manganese and alkali or alkaline earth, and their use in the treatment of exhaust gas - Google Patents

Compositions used as NOx trap, based on manganese and alkali or alkaline earth, and their use in the treatment of exhaust gas

Info

Publication number
NO20014931D0
NO20014931D0 NO20014931A NO20014931A NO20014931D0 NO 20014931 D0 NO20014931 D0 NO 20014931D0 NO 20014931 A NO20014931 A NO 20014931A NO 20014931 A NO20014931 A NO 20014931A NO 20014931 D0 NO20014931 D0 NO 20014931D0
Authority
NO
Norway
Prior art keywords
manganese
alkali
treatment
exhaust gas
alkaline earth
Prior art date
Application number
NO20014931A
Other languages
Norwegian (no)
Other versions
NO20014931L (en
Inventor
Thierry Birchem
Catherine Hedouin
Thierry Seguelong
Original Assignee
Rhodia Chimie Sa
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 Rhodia Chimie Sa filed Critical Rhodia Chimie Sa
Publication of NO20014931D0 publication Critical patent/NO20014931D0/en
Publication of NO20014931L publication Critical patent/NO20014931L/en

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
    • B01D53/92—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
    • B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
    • 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
    • B01J23/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the alkali- or alkaline earth metals or beryllium
    • 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
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/32—Manganese, technetium or rhenium
    • B01J23/34—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
    • B01D2255/202—Alkali metals
    • B01D2255/2022—Potassium
    • 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
    • B01D2255/2027—Sodium
    • 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
    • B01D2255/207—Transition metals
    • B01D2255/2073—Manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • B01D2258/012—Diesel engines and lean burn gasoline engines
NO20014931A 1999-04-12 2001-10-10 Compositions used as NOx trap, based on manganese and alkali or alkaline earth, and their use in the treatment of exhaust gas NO20014931L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9904524A FR2791907B1 (en) 1999-04-12 1999-04-12 COMPOSITIONS FOR USE AS A NOx TRAP, BASED ON MANGANESE AND AN ALKALINE OR AN ALKALINE EARTH AND USE IN THE TREATMENT OF EXHAUST GASES
PCT/FR2000/000909 WO2000061289A1 (en) 1999-04-12 2000-04-10 Compositions used as nox trap, based on manganese and an alkaline or alkaline-earth and use for treating exhaust gases

Publications (2)

Publication Number Publication Date
NO20014931D0 true NO20014931D0 (en) 2001-10-10
NO20014931L NO20014931L (en) 2001-12-11

Family

ID=9544272

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20014931A NO20014931L (en) 1999-04-12 2001-10-10 Compositions used as NOx trap, based on manganese and alkali or alkaline earth, and their use in the treatment of exhaust gas

Country Status (10)

Country Link
EP (1) EP1171236A1 (en)
JP (1) JP2002540933A (en)
KR (1) KR20010108495A (en)
CN (1) CN1131724C (en)
BR (1) BR0009752A (en)
CA (1) CA2367536A1 (en)
FR (1) FR2791907B1 (en)
MX (1) MXPA01010287A (en)
NO (1) NO20014931L (en)
WO (1) WO2000061289A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2792547B1 (en) * 1999-04-23 2001-07-06 Rhodia Chimie Sa COMPOSITION FOR USE AS A NOx TRAP, BASED ON MANGANESE AND AN ALKALINE EARTH OR RARE EARTH, AND USE IN THE TREATMENT OF EXHAUST GASES
JP4604374B2 (en) * 2001-03-15 2011-01-05 日産自動車株式会社 Exhaust gas purification device for internal combustion engine
US6727202B2 (en) 2001-08-21 2004-04-27 Engelhard Corporation Enhanced NOx trap having increased durability
FR2841438A1 (en) * 2002-06-26 2004-01-02 Rhodia Elect & Catalysis CIGARETTE COMPRISING A CATALYST FOR THE TREATMENT OF SMOKE
FR2845932A1 (en) * 2002-10-17 2004-04-23 Rhodia Elect & Catalysis Catalyst useful for removing nitrogen oxides from automobile exhaust gases comprises rare-earth-doped alumina, manganese, alkali metal and platinum
DE10251325A1 (en) * 2002-11-05 2004-05-13 Bayer Ag Catalyst and process for the oxidation of hydrocarbons to epoxides
DE10308571B4 (en) * 2003-02-24 2014-05-08 Volkswagen Ag Process for the preparation of a composite material for the storage of nitrogen oxides, composite material produced by the process and its use
JP4746264B2 (en) * 2003-11-17 2011-08-10 三井金属鉱業株式会社 Exhaust gas purification catalyst and exhaust gas purification device for internal combustion engine
WO2006093802A2 (en) * 2005-02-28 2006-09-08 Catalytic Solutions, Inc. Catalyst and method for reducing nitrogen oxides in exhaust streams with hydrocarbons or alcohols
FR2901155B1 (en) 2006-05-16 2008-10-10 Rhodia Recherches & Tech COMPOSITIONS USED IN PARTICULAR FOR TRACING NITROGEN OXIDES (NOX)
CN103071386B (en) * 2013-01-18 2015-02-18 大连理工大学 Plasma-promoted nitrogen oxide storing reducing and removing method
GB201401115D0 (en) 2014-01-23 2014-03-12 Johnson Matthey Plc Diesel oxidation catalyst and exhaust system
GB2540350A (en) * 2015-07-09 2017-01-18 Johnson Matthey Plc Nitrogen oxides (NOx) storage catalyst
US10500562B2 (en) * 2018-04-05 2019-12-10 Magnesium Elektron Ltd. Zirconia-based compositions for use in passive NOx adsorber devices

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL291383A (en) * 1962-04-13 1900-01-01
WO1985004821A1 (en) * 1984-04-16 1985-11-07 Atlantic Richfield Company Hydrocarbon conversion process
US5290530A (en) * 1991-05-31 1994-03-01 Kabushiki Kaisha Riken Method of cleaning exhaust gas
FR2738756B1 (en) * 1995-09-20 1998-12-11 Rhone Poulenc Chimie PROCESS FOR THE TREATMENT OF HIGH OXYGEN CONTENT FOR REDUCING NITROGEN OXIDE EMISSIONS USING A CATALYTIC COMPOSITION COMPRISING MANGANESE OXIDE AND CERIUM AND / OR ZIRCONIUM OXIDE
US5837212A (en) * 1995-09-21 1998-11-17 Ford Global Technologies, Inc. Potassium/manganese nitrogen oxide traps for lean-burn engine operation
JP3377676B2 (en) * 1996-04-05 2003-02-17 ダイハツ工業株式会社 Exhaust gas purification catalyst

Also Published As

Publication number Publication date
NO20014931L (en) 2001-12-11
CN1131724C (en) 2003-12-24
CA2367536A1 (en) 2000-10-19
CN1354686A (en) 2002-06-19
FR2791907B1 (en) 2002-06-21
EP1171236A1 (en) 2002-01-16
FR2791907A1 (en) 2000-10-13
JP2002540933A (en) 2002-12-03
WO2000061289A1 (en) 2000-10-19
MXPA01010287A (en) 2002-09-18
BR0009752A (en) 2002-01-08
KR20010108495A (en) 2001-12-07

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application