AT482766T - Double-layered three-way catalyst - Google Patents

Double-layered three-way catalyst

Info

Publication number
AT482766T
AT482766T AT07005547T AT07005547T AT482766T AT 482766 T AT482766 T AT 482766T AT 07005547 T AT07005547 T AT 07005547T AT 07005547 T AT07005547 T AT 07005547T AT 482766 T AT482766 T AT 482766T
Authority
AT
Austria
Prior art keywords
layered
double
way catalyst
catalyst
way
Prior art date
Application number
AT07005547T
Other languages
German (de)
Inventor
Martin Roesch
Dieter Lindner
Raoul Klingmann
Patrizia Decola
Joerg-Michael Richter
Marcus Schmidt
Original Assignee
Umicore Ag & Co Kg
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 Umicore Ag & Co Kg filed Critical Umicore Ag & Co Kg
Priority to EP07005547A priority Critical patent/EP1974809B1/en
Publication of AT482766T publication Critical patent/AT482766T/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/024Multiple impregnation or coating
    • B01J37/0244Coatings comprising several layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts 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
    • B01J23/56Platinum group metals
    • B01J23/63Platinum group metals with rare earths or actinides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • B01D2255/1021Platinum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • B01D2255/1023Palladium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • B01D2255/1025Rhodium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/204Alkaline earth metals
    • B01D2255/2042Barium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/40Mixed oxides
    • B01D2255/407Zr-Ce mixed oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/90Physical characteristics of catalysts
    • B01D2255/902Multilayered catalyst
    • B01D2255/9022Two layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/44Palladium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/46Ruthenium, rhodium, osmium or iridium
    • B01J23/464Rhodium
    • Y02A50/2324
    • Y02T10/22
AT07005547T 2007-03-19 2007-03-19 Double-layered three-way catalyst AT482766T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07005547A EP1974809B1 (en) 2007-03-19 2007-03-19 Double layer three-way catalytic converter

Publications (1)

Publication Number Publication Date
AT482766T true AT482766T (en) 2010-10-15

Family

ID=38051385

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07005547T AT482766T (en) 2007-03-19 2007-03-19 Double-layered three-way catalyst

Country Status (10)

Country Link
US (1) US9517462B2 (en)
EP (1) EP1974809B1 (en)
JP (1) JP5156823B2 (en)
KR (1) KR101337934B1 (en)
CN (1) CN101616734B (en)
AT (1) AT482766T (en)
BR (1) BRPI0809401A2 (en)
DE (1) DE502007005188D1 (en)
RU (1) RU2009138372A (en)
WO (1) WO2008113445A1 (en)

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DE102010014468B4 (en) 2010-04-09 2013-10-31 Umicore Ag & Co. Kg Process for the reduction of nitrous oxide in the exhaust aftertreatment of lean burn engines
KR101241421B1 (en) * 2010-12-14 2013-03-11 오덱(주) Palladium basedautomotive catalyst with asymmetric structure and manufacturing method thereof
JP5827477B2 (en) * 2011-03-10 2015-12-02 株式会社エフ・シー・シー Catalyst production method
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CN104968430B (en) * 2013-01-31 2018-05-08 优美科触媒日本有限公司 Exhaust gas purification catalyst and the exhaust gas purifying method using the catalyst
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DE102014204682A1 (en) 2014-03-13 2015-10-01 Umicore Ag & Co. Kg Catalyst system for reducing noxious gases from gasoline internal combustion engines
DE102014206455A1 (en) 2014-04-03 2015-10-08 Umicore Ag & Co. Kg Regeneration process for exhaust aftertreatment systems
US9604175B2 (en) 2014-06-06 2017-03-28 Clean Diesel Technologies, Inc. Three-way catalyst systems including Nb—Zr—Al-mixed oxide supports, Ba—Pd, and Rh—Fe material compositions
EP3045226A1 (en) 2015-01-19 2016-07-20 Umicore AG & Co. KG Double layer three-way catalytic converter with improved ageing resistance
CN104857974A (en) * 2015-05-27 2015-08-26 华东理工大学 Palladium-only catalyst for purifying automobile tail gas and preparation method of palladium-only catalyst
JP6820869B2 (en) * 2015-06-24 2021-01-27 ビーエーエスエフ コーポレーション Layered automotive catalyst complex
US20180280878A1 (en) * 2015-09-24 2018-10-04 Cataler Corporation Catalyst for exhaust gas purification, method for producing same and exhaust gas purification apparatus comprising said catalyst
WO2017082563A1 (en) * 2015-11-10 2017-05-18 희성촉매 주식회사 Exhaust purification catalyst for stoichiometrically operated gasoline engine
DE102017100518A1 (en) 2016-02-04 2017-08-10 Umicore Ag & Co. Kg System and process for exhaust gas purification while avoiding nitrous oxide
JP6378222B2 (en) 2016-02-12 2018-08-22 トヨタ自動車株式会社 Exhaust gas purification catalyst device, exhaust gas purification system, and deterioration detection method of exhaust gas purification catalyst device
CN105797721B (en) * 2016-04-05 2019-01-25 无锡威孚环保催化剂有限公司 A kind of preparation method of high palladium content three-way catalyst
US9919294B2 (en) * 2016-04-27 2018-03-20 Ford Global Technologies, Llc Phosphorus tolerant catalyst washcoat structure
DE102016207484A1 (en) * 2016-05-02 2017-11-02 Umicore Ag & Co. Kg Diesel oxidation catalyst
JP6753811B2 (en) * 2017-04-19 2020-09-09 トヨタ自動車株式会社 Exhaust gas purification catalyst
US10293303B2 (en) * 2017-07-28 2019-05-21 Thrivaltech, Llc Modular plasma reformer treatment system
JP2019069402A (en) * 2017-10-06 2019-05-09 トヨタ自動車株式会社 Exhaust gas purification catalyst for automobile
EP3501648A1 (en) 2017-12-19 2019-06-26 Umicore Ag & Co. Kg Catalytically active particle filter
DE102018108346A1 (en) 2018-04-09 2019-10-10 Umicore Ag & Co. Kg Coated wall flow filter
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DE102018111246A1 (en) 2018-05-09 2019-11-14 Umicore Ag & Co. Kg Method for coating a wall-flow filter
US10781735B2 (en) 2018-05-18 2020-09-22 Umicore Ag & Co Kg Exhaust emission reduction system having an HC-trap and NOx-trap combination designed for operating under strategic lean conditions
US20190353067A1 (en) 2018-05-18 2019-11-21 Umicore Ag & Co. Kg Exhaust treatment systems and methods involving oxygen supplementation and hydrocarbon trapping
CN108940280A (en) * 2018-07-17 2018-12-07 无锡威孚环保催化剂有限公司 A kind of gasoline car three-way catalyst and preparation method thereof
DE102018127957A1 (en) 2018-11-08 2020-05-14 Umicore Ag & Co. Kg Particle filter with multiple coatings
DE102019100097A1 (en) 2019-01-04 2020-07-09 Umicore Ag & Co. Kg Process for the production of catalytically active wall flow filters
DE102019100099A1 (en) 2019-01-04 2020-07-09 Umicore Ag & Co. Kg Process for the production of catalytically active wall flow filters

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Also Published As

Publication number Publication date
US9517462B2 (en) 2016-12-13
US20100135879A1 (en) 2010-06-03
RU2009138372A (en) 2011-04-27
KR101337934B1 (en) 2013-12-09
KR20090128418A (en) 2009-12-15
JP2010521301A (en) 2010-06-24
CN101616734B (en) 2012-11-07
BRPI0809401A2 (en) 2014-09-09
WO2008113445A1 (en) 2008-09-25
EP1974809A1 (en) 2008-10-01
DE502007005188D1 (en) 2010-11-11
JP5156823B2 (en) 2013-03-06
CN101616734A (en) 2009-12-30
EP1974809B1 (en) 2010-09-29

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