ATE430717T1 - Zusammensetzung auf basis von cer- und zirconiumoxiden mit einer zwischen 900oc und 1000oc stabilen spezifischen oberfläche, herstellungsverfahren dafür und verwendung davon als katalysator - Google Patents

Zusammensetzung auf basis von cer- und zirconiumoxiden mit einer zwischen 900oc und 1000oc stabilen spezifischen oberfläche, herstellungsverfahren dafür und verwendung davon als katalysator

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Publication number
ATE430717T1
ATE430717T1 AT04742267T AT04742267T ATE430717T1 AT E430717 T1 ATE430717 T1 AT E430717T1 AT 04742267 T AT04742267 T AT 04742267T AT 04742267 T AT04742267 T AT 04742267T AT E430717 T1 ATE430717 T1 AT E430717T1
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Austria
Prior art keywords
composition
catalyst
calcination
hours
cerial
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AT04742267T
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English (en)
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Olivier Larcher
David Monin
Emmanuel Rohart
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Rhodia Elect & Catalysis
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Publication of ATE430717T1 publication Critical patent/ATE430717T1/de

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    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
    • 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
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AT04742267T 2003-03-18 2004-03-17 Zusammensetzung auf basis von cer- und zirconiumoxiden mit einer zwischen 900oc und 1000oc stabilen spezifischen oberfläche, herstellungsverfahren dafür und verwendung davon als katalysator ATE430717T1 (de)

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FR0303291A FR2852596B1 (fr) 2003-03-18 2003-03-18 Composition a base d'oxydes de cerium et de zirconium a surface specifique stable entre 900 c et 1000 c, son procede de preparation et son utilisation comme catalyseur
PCT/FR2004/000649 WO2004085314A2 (fr) 2003-03-18 2004-03-17 Composition a base d'oxydes de cerium et de zirconium a surface specifique stable entre 900°c et 1000°c, son procede de preparation et son utilisation comme catalyseur

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WO2004085314A3 (fr) 2004-10-28
WO2004085314A2 (fr) 2004-10-07
EP1603835B1 (de) 2009-05-06
CA2519197A1 (fr) 2004-10-07
KR20050109571A (ko) 2005-11-21
CN1756722A (zh) 2006-04-05
FR2852596A1 (fr) 2004-09-24
JP2006516524A (ja) 2006-07-06
CN100569651C (zh) 2009-12-16
KR100723846B1 (ko) 2007-05-31
EP1603835A2 (de) 2005-12-14
US7939462B2 (en) 2011-05-10
DE602004020977D1 (de) 2009-06-18
US20060263284A1 (en) 2006-11-23
FR2852596B1 (fr) 2007-02-23
CA2519197C (fr) 2018-02-27
JP4459170B2 (ja) 2010-04-28

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