DE69625237D1 - Zusammensetzung auf der basis von zirkon und ceroxid, verfahren zu seiner herstellung und seine verwendung - Google Patents

Zusammensetzung auf der basis von zirkon und ceroxid, verfahren zu seiner herstellung und seine verwendung

Info

Publication number
DE69625237D1
DE69625237D1 DE69625237T DE69625237T DE69625237D1 DE 69625237 D1 DE69625237 D1 DE 69625237D1 DE 69625237 T DE69625237 T DE 69625237T DE 69625237 T DE69625237 T DE 69625237T DE 69625237 D1 DE69625237 D1 DE 69625237D1
Authority
DE
Germany
Prior art keywords
composition based
mixture
calcination
conclusion
precipitate
Prior art date
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 - Lifetime
Application number
DE69625237T
Other languages
English (en)
Other versions
DE69625237C5 (de
DE69625237T2 (de
Inventor
Maryline Aubert
Thierry Birchem
Gilbert Blanchard
Olivier Touret
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.)
Rhodia Chimie SAS
Original Assignee
Rhodia Chimie SAS
Rhone Poulenc 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9480620&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69625237(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rhodia Chimie SAS, Rhone Poulenc Chimie SA filed Critical Rhodia Chimie SAS
Application granted granted Critical
Publication of DE69625237D1 publication Critical patent/DE69625237D1/de
Publication of DE69625237T2 publication Critical patent/DE69625237T2/de
Anticipated expiration legal-status Critical
Publication of DE69625237C5 publication Critical patent/DE69625237C5/de
Expired - Lifetime legal-status Critical Current

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
    • B01D53/9445—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
    • 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
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C01G25/02—Oxides
    • 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
    • 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
    • B01D2255/20715—Zirconium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/40—Mixed oxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • 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
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Biomedical Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
DE69625237.6T 1995-07-03 1996-06-28 Zusammensetzung auf der basis von zirkon und ceroxid, verfahren zu seiner herstellung und seine verwendung Expired - Lifetime DE69625237C5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9507979A FR2736343B1 (fr) 1995-07-03 1995-07-03 Composition a base d'oxyde de zirconium et d'oxyde de cerium, procede de preparation et utilisation
FR9507979 1995-07-03
PCT/FR1996/001003 WO1997002213A1 (fr) 1995-07-03 1996-06-28 Composition a base d'oxyde de zirconium et d'oxyde de cerium, procede de preparation et utilisation

Publications (3)

Publication Number Publication Date
DE69625237D1 true DE69625237D1 (de) 2003-01-16
DE69625237T2 DE69625237T2 (de) 2003-08-21
DE69625237C5 DE69625237C5 (de) 2020-04-23

Family

ID=9480620

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69625237.6T Expired - Lifetime DE69625237C5 (de) 1995-07-03 1996-06-28 Zusammensetzung auf der basis von zirkon und ceroxid, verfahren zu seiner herstellung und seine verwendung

Country Status (18)

Country Link
US (1) US6214306B1 (de)
EP (1) EP0863846B1 (de)
JP (1) JP3490456B2 (de)
KR (1) KR100431919B1 (de)
CN (1) CN1177764C (de)
AT (1) ATE228970T1 (de)
AU (1) AU720555B2 (de)
BR (1) BR9609435A (de)
CA (1) CA2224409C (de)
DE (1) DE69625237C5 (de)
ES (1) ES2188767T3 (de)
FI (1) FI114909B (de)
FR (1) FR2736343B1 (de)
MX (1) MX9800114A (de)
MY (1) MY114721A (de)
NO (1) NO322625B1 (de)
WO (1) WO1997002213A1 (de)
ZA (1) ZA965464B (de)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
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JP3861385B2 (ja) * 1997-06-27 2006-12-20 株式会社豊田中央研究所 リーン排ガス浄化用触媒
JP4045002B2 (ja) * 1998-02-02 2008-02-13 三井金属鉱業株式会社 複合酸化物及びそれを用いた排ガス浄化用触媒
JP4029233B2 (ja) * 1998-05-11 2008-01-09 第一稀元素化学工業株式会社 セリウム−ジルコニウム系複合酸化物及びその製造方法ならびに排ガス浄化用触媒材料
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JP2002177781A (ja) 2000-12-12 2002-06-25 Ict:Kk 排ガス浄化用触媒
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JP3758601B2 (ja) † 2002-05-15 2006-03-22 トヨタ自動車株式会社 吸蔵還元型ＮＯｘ浄化用触媒
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MY114721A (en) 2002-12-31
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CN1193948A (zh) 1998-09-23
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JP3490456B2 (ja) 2004-01-26
FR2736343A1 (fr) 1997-01-10
JPH10512191A (ja) 1998-11-24
FI114909B (fi) 2005-01-31
CA2224409A1 (fr) 1997-01-23
DE69625237C5 (de) 2020-04-23
NO976144L (no) 1998-03-03
ES2188767T3 (es) 2003-07-01
KR19990028713A (ko) 1999-04-15
ATE228970T1 (de) 2002-12-15
NO322625B1 (no) 2006-11-06
BR9609435A (pt) 1999-05-25
MX9800114A (es) 1998-04-30
NO976144D0 (no) 1997-12-30
KR100431919B1 (ko) 2004-07-16
FI980007A (fi) 1998-02-19
DE69625237T2 (de) 2003-08-21
AU6462196A (en) 1997-02-05
EP0863846B1 (de) 2002-12-04
EP0863846A1 (de) 1998-09-16
US6214306B1 (en) 2001-04-10
ZA965464B (en) 1997-04-24
AU720555B2 (en) 2000-06-01
CA2224409C (fr) 2002-04-09
FI980007A0 (fi) 1998-01-02

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