DE60205936T2 - Verfahren zur Herstellung von gemischten Oxiden auf Zirkonium-Cer-Basis - Google Patents

Verfahren zur Herstellung von gemischten Oxiden auf Zirkonium-Cer-Basis Download PDF

Info

Publication number
DE60205936T2
DE60205936T2 DE60205936T DE60205936T DE60205936T2 DE 60205936 T2 DE60205936 T2 DE 60205936T2 DE 60205936 T DE60205936 T DE 60205936T DE 60205936 T DE60205936 T DE 60205936T DE 60205936 T2 DE60205936 T2 DE 60205936T2
Authority
DE
Germany
Prior art keywords
cerium
zirconium
mixed
preparation
sup
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
DE60205936T
Other languages
English (en)
Other versions
DE60205936D1 (de
Inventor
Yasuhide Takao
Colin Norman
Gavin Edwards
Ian Chisem
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.)
Magnesium Elektron Ltd
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=DE60205936(T2) "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 DE60205936D1 publication Critical patent/DE60205936D1/de
Application granted granted Critical
Publication of DE60205936T2 publication Critical patent/DE60205936T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00Compounds of zirconium
    • 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
    • B01J23/10Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • 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
    • B01J23/002Mixed oxides other than spinels, e.g. perovskite
    • 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
    • B01J37/03Precipitation; Co-precipitation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/066Zirconium or hafnium; Oxides or hydroxides thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2523/00Constitutive chemical elements of heterogeneous catalysts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/70Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72Crystal-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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving 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)
DE60205936T 2001-11-01 2002-10-30 Verfahren zur Herstellung von gemischten Oxiden auf Zirkonium-Cer-Basis Expired - Lifetime DE60205936T2 (de)

Applications Claiming Priority (2)

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
PCT/GB2002/004915 WO2003037506A1 (en) 2001-11-01 2002-10-30 Process for preparing zirconium-cerium-based mixed oxides

Publications (2)

Publication Number Publication Date
DE60205936D1 DE60205936D1 (de) 2005-10-06
DE60205936T2 true DE60205936T2 (de) 2006-06-14

Family

ID=19151485

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60205936T Expired - Lifetime DE60205936T2 (de) 2001-11-01 2002-10-30 Verfahren zur Herstellung von gemischten Oxiden auf Zirkonium-Cer-Basis

Country Status (12)

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

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003206137A (ja) * 2002-01-11 2003-07-22 Dowa Mining Co Ltd 部分安定化または安定化ジルコニア微粉体とその前駆体およびそれらの製造方法
FR2841547B1 (fr) * 2002-06-26 2005-05-06 Rhodia Elect & Catalysis Composition a base d'oxyde de zirconium et d'oxydes de cerium, de lanthane et d'une autre terre rare, son procede de preparation et son utilisation comme catalyseur
CN100374376C (zh) * 2003-04-30 2008-03-12 镁电子有限公司 锆基氧化物的制备方法和用途
WO2005066101A1 (en) 2003-12-23 2005-07-21 Exxonmobil Chemical Patents Inc. Selective decomposition of ethers
JP4165419B2 (ja) 2004-03-09 2008-10-15 トヨタ自動車株式会社 金属酸化物粒子及び排ガス浄化触媒の製造方法
WO2005102523A1 (en) 2004-04-27 2005-11-03 Toyota Jidosha Kabushiki Kaisha Process for producing metal oxide particle and exhaust gas purifying catalyst
JP4165443B2 (ja) 2004-04-27 2008-10-15 トヨタ自動車株式会社 金属酸化物粒子の製造方法、及び排ガス浄化触媒
JP4660135B2 (ja) 2004-07-26 2011-03-30 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
KR100640583B1 (ko) * 2004-08-16 2006-10-31 삼성전자주식회사 산화세륨 연마 입자 및 그 제조 방법과 cmp용 슬러리조성물 및 그 제조 방법과 이들을 이용한 기판 연마 방법
US7468465B2 (en) * 2005-05-31 2008-12-23 Exxonmobil Chemical Patents Inc. Method of making mixed metal oxide containing sulfur
US7399891B2 (en) 2005-06-08 2008-07-15 Exxonmobil Chemical Patents Inc. Process for alcohol production by selective ether decomposition
JP4789794B2 (ja) * 2005-12-28 2011-10-12 第一稀元素化学工業株式会社 セリウム・ジルコニウム複合酸化物及びその製造方法
GB0602217D0 (en) 2006-02-03 2006-03-15 Magnesium Elektron Ltd Zirconium hydroxide
JP5344805B2 (ja) * 2006-06-20 2013-11-20 第一稀元素化学工業株式会社 ジルコニア系複合酸化物及びその製造方法
JP4928931B2 (ja) * 2006-12-20 2012-05-09 日本電工株式会社 セリア−ジルコニア系複合酸化物及びその製造方法
JP2008289971A (ja) 2007-05-23 2008-12-04 Toyota Motor Corp コアシェル構造体及びその製造方法並びに当該コアシェル構造体を含む排ガス浄化用触媒
FR2917646B1 (fr) * 2007-06-20 2011-06-03 Anan Kasei Co Ltd Oxyde mixte a haute surface specifique de cerium et d'autre terre rare, procede de preparation et utilisation en catalyse
JP2009085944A (ja) * 2007-09-11 2009-04-23 Yamaha Motor Co Ltd ガスセンサ、空燃比制御装置および輸送機器
FR2936514B1 (fr) * 2008-09-30 2011-10-28 Saint Gobain Ct Recherches Poudre d'hydrate de zirconium
BRPI0921967B1 (pt) * 2008-11-21 2017-11-07 Nissan Motor Co., Ltd. Particulate matter purifying material, filtration catalyst for purifying particulate matter using particulate matter purification material and method of regeneration of filter catalyst to purify particulate matter.
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
GB201119871D0 (en) 2011-11-17 2011-12-28 Davy Process Techn Ltd Process
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
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
JP5706546B1 (ja) 2013-06-04 2015-04-22 新日本電工株式会社 セリア−ジルコニア系複合酸化物及びその製造方法
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
JP7506602B2 (ja) 2018-01-08 2024-06-26 パシフィック インダストリアル デベロップメント コーポレイション 酸素貯蔵材料およびその製造方法
JP7403458B2 (ja) 2018-01-08 2023-12-22 パシフィック インダストリアル デベロップメント コーポレイション 酸素貯蔵材料の製造方法
US10500562B2 (en) 2018-04-05 2019-12-10 Magnesium Elektron Ltd. Zirconia-based compositions for use in passive NOx adsorber devices
WO2020061723A1 (en) * 2018-09-24 2020-04-02 Rhodia Operations Mixed oxide with improved reducibility
CN113260595B (zh) * 2019-01-04 2024-04-16 太平洋工业发展公司 纳米晶体级的铈-锆氧化物材料及其制备方法
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 (de) * 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
CN115974549B (zh) * 2022-12-02 2023-08-01 常州大学 一种铈锆固溶体的制备方法以及调控铈锆固溶体铈价态比与氧空位浓度的方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2701471B1 (fr) * 1993-02-10 1995-05-24 Rhone Poulenc Chimie Procédé de synthèse de compositions à base d'oxydes mixtes de zirconium et de cérium, compositions ainsi obtenues et utilisations de ces dernières.
FR2736343B1 (fr) 1995-07-03 1997-09-19 Rhone Poulenc Chimie Composition a base d'oxyde de zirconium et d'oxyde de cerium, procede de preparation et utilisation
US5898014A (en) * 1996-09-27 1999-04-27 Engelhard Corporation Catalyst composition containing oxygen storage components
AU4394097A (en) * 1996-10-15 1998-05-11 Rhodia Inc. Cerium and zirconium oxides, mixed oxides and solid solutions having im proved thermal stability for catalysis of exhaust gas systems and methods of producing
US5723101A (en) * 1996-10-15 1998-03-03 Rhone-Poulenc Inc. Method for producing cerium and zirconium oxides, mixed oxides and solid solutions having improved thermal stability
US5747401A (en) * 1996-10-15 1998-05-05 Rhone-Poulenc Inc. Cerium and zirconium oxides, mixed oxides and solid solutions having improved thermal stability
FR2756819B1 (fr) 1996-12-06 1999-02-19 Rhodia Chimie Sa Composition a base d'oxyde de cerium ou d'oxydes de cerium et de zirconium, sous forme extrudee, son procede de preparation et son utilisation comme catalyseur
US6506705B2 (en) * 1996-12-06 2003-01-14 Rhodia Chimie Composition based on cerium oxide or on cerium and zirconium oxides, in the extruded form, process for the preparation thereof and use thereof as catalyst
US6037305A (en) * 1997-03-03 2000-03-14 Rhodia Chimie Use of Ce/Zr mixed oxide phase for the manufacture of styrene by dehydrogenation of ethylbenzene
FR2770790B1 (fr) 1997-11-10 1999-12-10 Rhodia Chimie Sa Composition a support a base d'un oxyde de cerium, d'un oxyde de zirconium et d'un oxyde de scandium ou de terre rare et utilisation pour le traitement des gaz d'echappement
JP3985111B2 (ja) 1998-04-09 2007-10-03 第一稀元素化学工業株式会社 ジルコニア−セリア組成物の製造方法
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
DE60033328T2 (de) * 1999-03-05 2007-11-22 Daiichi Kigenso Kagaku Kogyo Co. Ltd. Mischoxid auf Basis von Cerium und Zirkonium, Verfahren zu dessen Herstellung; das Mischoxid enthaltender Katalysator und Anwendung des Katalysators zur Abgasreinigung

Also Published As

Publication number Publication date
EP1444036A1 (de) 2004-08-11
CA2465376A1 (en) 2003-05-08
JP2003137550A (ja) 2003-05-14
RU2004116469A (ru) 2005-04-10
CN100420514C (zh) 2008-09-24
CA2465376C (en) 2013-09-17
DE60205936D1 (de) 2005-10-06
US7431910B2 (en) 2008-10-07
JP3946982B2 (ja) 2007-07-18
ATE303203T1 (de) 2005-09-15
KR100922919B1 (ko) 2009-10-22
RU2311956C2 (ru) 2007-12-10
EP1444036B1 (de) 2005-08-31
KR20050042039A (ko) 2005-05-04
US20060088463A1 (en) 2006-04-27
CN1582198A (zh) 2005-02-16
ZA200402829B (en) 2005-02-23
BR0213822A (pt) 2004-08-31
WO2003037506A1 (en) 2003-05-08
BR0213822B1 (pt) 2012-06-26

Similar Documents

Publication Publication Date Title
DE60205936T2 (de) Verfahren zur Herstellung von gemischten Oxiden auf Zirkonium-Cer-Basis
EP0790216B1 (de) Sol-Gel Verfahren zur Gewinnung reiner oder gemischter Zirkoniumoxid-Überzüge, verwendbar als Katalysator oder Katalysatorträger
ES2585235T3 (es) Composición a base de óxido de zirconio y óxido de cerio con reducibilidad elevada y superficie específica estable, procedimiento de preparación y uso en el tratamiento de los gases de escape
DE69724655C5 (de) Zirkonium-cerium-verbundoxid, verfahren zur herstellung und cokatalysator zur reingung von abgas
DE3565518D1 (en) Cerium dioxide with morphological characteristics, and process for its preparation
CN101890353B (zh) 一种高温甲烷化催化剂及其制备方法、用途
FI850673A0 (fi) Ceriumoxid, som har nya morfologiska egenskaper och foerfarande foer framstaellning av densamma.
ATE477216T1 (de) Verfahren zur herstellung von zirkonoxiden und zirkonium enthaltenden mischoxiden
EP2540391A1 (de) Ceriumoxid-Zirconiumoxid-Aluminiumoxid-Zusammensetzung mit verbesserter Wärmebeständigkeit
RU2014102439A (ru) Способ получения композитов из оксида алюминия и смешанных оксидов церия и циркония
DE69515209D1 (de) Hoch reduzierbare Alumine, Ceroxid und Zirconiumoxid Zusammensetzungen, Verfahren zu deren Herstellung und ihre Verwendung zur Herstellung von Katalysatoren
KR20130000419A (ko) 지르코늄, 세륨 및 1종 이상의 다른 희토류의 산화물을 함유하며 특정 다공도를 갖는 조성물, 그의 제조 방법 및 촉매작용에서의 그의 용도
KR950701600A (ko) 무기질 겔의 제조방법(process for making inorganic gels)
WO2004002893A3 (fr) Composition a base d'oxyde de zirconium et d'oxydes de cerium, de lanthane et d'une autre terre rare, son procede de preparation et son utilisation comme catalyseur
DE69710067D1 (de) Zusammensetzung aus ceriumoxid und zirkoniumoxid, verfahren zur herstellung und verwendung in katalyse
BR112014000555B1 (pt) Processo para a preparação de um óxido misto calcinado que compreende os óxidos de al-, ce- e zr-, óxido misto calcinado e uso de uma boemita
ATE554052T1 (de) Verfahren zur herstellung von böhmitischen aluminiumoxiden mit einer hohen alpha- aluminiumoxidumsetzungstemperatur
DE3777216D1 (de) Waessrige kolloidale dispersionen einer cer-iv-verbindung und verfahren zu ihrer herstellung.
RU2010103800A (ru) Способ приготовления катализаторов на носителях из неорганических оксидов
GB2287459B (en) Porous amorphous silica-alumina refractory oxides,their preparation and use as separation membranes
JP2008150312A (ja) 含窒素化合物の製造方法
GB2121698A (en) Catalyst based on gamma alumina
MY131746A (en) Process for preparing zirconium-cerium-based mixed oxides
JP3530937B2 (ja) メタノール合成用触媒
HK1052477A1 (en) Phosphorous-aluminium-mixed oxide catalyst, process for its preparation and use thereof.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition