ZA200402829B - Process for preparing zirconium-cerium-based mixed oxides. - Google Patents

Process for preparing zirconium-cerium-based mixed oxides.

Info

Publication number
ZA200402829B
ZA200402829B ZA200402829A ZA200402829A ZA200402829B ZA 200402829 B ZA200402829 B ZA 200402829B ZA 200402829 A ZA200402829 A ZA 200402829A ZA 200402829 A ZA200402829 A ZA 200402829A ZA 200402829 B ZA200402829 B ZA 200402829B
Authority
ZA
South Africa
Prior art keywords
cerium
zirconium
mixed oxides
mixed
based mixed
Prior art date
Application number
ZA200402829A
Other languages
English (en)
Inventor
Yasuhide Takayo
Colin Norman
Gavin Edwards
Ian Chisem
Original Assignee
Magnesium Elektron Ltd
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=19151485&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA200402829(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Magnesium Elektron Ltd filed Critical Magnesium Elektron Ltd
Publication of ZA200402829B publication Critical patent/ZA200402829B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • 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
    • 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
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • 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
    • B01J37/03—Precipitation; Co-precipitation
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/066—Zirconium or hafnium; Oxides or hydroxides thereof
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
ZA200402829A 2001-11-01 2004-04-15 Process for preparing zirconium-cerium-based mixed oxides. ZA200402829B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001336703A JP3946982B2 (ja) 2001-11-01 2001-11-01 ジルコニア・セリア基複合酸化物の製造方法

Publications (1)

Publication Number Publication Date
ZA200402829B true ZA200402829B (en) 2005-02-23

Family

ID=19151485

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200402829A ZA200402829B (en) 2001-11-01 2004-04-15 Process for preparing zirconium-cerium-based mixed oxides.

Country Status (12)

Country Link
US (1) US7431910B2 (ko)
EP (1) EP1444036B1 (ko)
JP (1) JP3946982B2 (ko)
KR (1) KR100922919B1 (ko)
CN (1) CN100420514C (ko)
AT (1) ATE303203T1 (ko)
BR (1) BR0213822B1 (ko)
CA (1) CA2465376C (ko)
DE (1) DE60205936T2 (ko)
RU (1) RU2311956C2 (ko)
WO (1) WO2003037506A1 (ko)
ZA (1) ZA200402829B (ko)

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FR2948116B1 (fr) 2009-07-17 2012-05-04 Rhodia Operations Composition a base d'oxyde de cerium et d'oxyde de zirconium de porosite specifique, procede de preparation et utilisation en catalyse
EP2335810B1 (de) * 2009-12-11 2012-08-01 Umicore AG & Co. KG Selektive katalytische Reduktion von Stickoxiden im Abgas von Dieselmotoren
GB201013984D0 (en) 2010-08-20 2010-10-06 Magnesium Elektron Ltd Catalytic purification of gases
US8580701B2 (en) 2010-11-19 2013-11-12 Corning Incorporated Method of controlling Ce:Zr ratio in oxide nanoparticles
CN102513085B (zh) * 2011-11-07 2013-07-24 上海华明高纳稀土新材料有限公司 氧化铈-氧化锆基复合氧化物及其制备方法
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CN102559064B (zh) * 2011-12-15 2014-01-29 上海华明高纳稀土新材料有限公司 铈锆镨固溶体及其制备方法
CN102489281B (zh) * 2011-12-15 2014-01-29 无锡威孚环保催化剂有限公司 介孔氧化锆的一种制备方法
MY158376A (en) 2013-06-04 2016-09-26 Nippon Denko Ceria-zirconia-based composite oxide and method of production of the same
RU2536593C1 (ru) * 2013-09-10 2014-12-27 Федеральное государственное бюджетное учреждение науки Ордена Трудового Красного Знамени Институт химии силикатов им. И.В. Гребенщикова Российской академии наук (ИХС РАН) Способ получения керамики на основе диоксида циркония для реставрационной стоматологии
JP5744274B1 (ja) 2014-03-28 2015-07-08 第一稀元素化学工業株式会社 ジルコニア系多孔質体及びその製造方法
EA027824B1 (ru) * 2015-01-29 2017-09-29 Общество с ограниченной ответственностью "НЭВЗ-Н" Керамический материал и способ его получения
GB201518996D0 (en) 2015-10-27 2015-12-09 Magnesium Elektron Ltd Zirconia-based compositions for use as three-way catalysts
WO2017173018A1 (en) 2016-04-01 2017-10-05 Pacific Industrial Development Corporation Method of making mesoporous zirconium-based mixed oxides
FR3050450A1 (fr) 2016-04-26 2017-10-27 Rhodia Operations Oxyde mixte a base de cerium et de zirconium
EP3687667B1 (en) 2018-01-08 2023-03-01 Pacific Industrial Development Corporation Catalyst comprising ceria-zirconia-oxygen storage material and process for its production
CN111447997B (zh) 2018-01-08 2023-08-01 太平洋工业发展公司 制造用于废气处理的介孔储氧材料的方法、所述储氧材料及其用途
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WO2020061723A1 (en) * 2018-09-24 2020-04-02 Rhodia Operations Mixed oxide with improved reducibility
EP3877337A1 (en) * 2019-01-04 2021-09-15 Pacific Industrial Development Corporation Nanocrystal-sized cerium-zirconium oxide material and method of making the same
KR102255059B1 (ko) * 2020-01-30 2021-05-24 창원대학교 산학협력단 수열합성법을 이용한 대기오염 정화용 고효율 세리아 촉매의 제조방법
KR20220028810A (ko) * 2020-08-31 2022-03-08 주식회사 엘지화학 세리아-지르코니아 복합 산화물의 제조방법, 세리아-지르코니아 복합 산화물, 이를 포함하는 촉매 및 부타디엔의 제조방법
JPWO2022137910A1 (ko) * 2020-12-24 2022-06-30
CN114433063B (zh) * 2022-01-12 2023-04-07 江门市科恒实业股份有限公司 一种铈锆复合氧化物及其制备方法
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Also Published As

Publication number Publication date
RU2004116469A (ru) 2005-04-10
CA2465376C (en) 2013-09-17
RU2311956C2 (ru) 2007-12-10
CN1582198A (zh) 2005-02-16
KR20050042039A (ko) 2005-05-04
JP3946982B2 (ja) 2007-07-18
EP1444036A1 (en) 2004-08-11
DE60205936D1 (de) 2005-10-06
US20060088463A1 (en) 2006-04-27
CN100420514C (zh) 2008-09-24
JP2003137550A (ja) 2003-05-14
EP1444036B1 (en) 2005-08-31
US7431910B2 (en) 2008-10-07
KR100922919B1 (ko) 2009-10-22
DE60205936T2 (de) 2006-06-14
WO2003037506A1 (en) 2003-05-08
ATE303203T1 (de) 2005-09-15
CA2465376A1 (en) 2003-05-08
BR0213822B1 (pt) 2012-06-26
BR0213822A (pt) 2004-08-31

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