ES2188767T3 - Composicion a base de oxido de circonio y de oxido de cerio, procedimiento de preparacion y utilizacion. - Google Patents

Composicion a base de oxido de circonio y de oxido de cerio, procedimiento de preparacion y utilizacion.

Info

Publication number
ES2188767T3
ES2188767T3 ES96924030T ES96924030T ES2188767T3 ES 2188767 T3 ES2188767 T3 ES 2188767T3 ES 96924030 T ES96924030 T ES 96924030T ES 96924030 T ES96924030 T ES 96924030T ES 2188767 T3 ES2188767 T3 ES 2188767T3
Authority
ES
Spain
Prior art keywords
oxide
mixture
grades
circonious
preparation
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
ES96924030T
Other languages
English (en)
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
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=ES2188767(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rhodia Chimie SAS filed Critical Rhodia Chimie SAS
Application granted granted Critical
Publication of ES2188767T3 publication Critical patent/ES2188767T3/es
Anticipated expiration legal-status Critical
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)

Abstract

LA INVENCION SE REFIERE A UN COMPUESTO A BASE DE OXIDO DE CIRCONIO Y OXIDO DE CERIO QUE POSEE UNA SUPERFICIE ESPECIFICA DE AL MENOS 30 M 2 /G TRAS CALCINACION DURANTE 6 HORAS A 900 (GRADOS) C Y SE PRESENTA EN LA FORMA DE UNA SOLUCION SOLIDA PURA DEL OXIDO DE CERIO EN EL OXIDO DE CIRCONIO. UTILIZANDO OTRO MODO DE REALIZACION, EL COMPUESTO PUEDE INCLUIR ADEMAS UN ELEMENTO DOPANTE Y PRESENTAR UNA SUPERFICIE ESPECIFICA DE AL MENOS 25 M 2 /G PREVIA CALCINACION DURANTE 6 HORAS A 1000 (G RADOS) C. UN PROCEDIMIENTO DE PREPARACION DE ESTOS COMPUESTOS CONSTA DE LA ETAPAS SIGUIENTES: SE PREPARA UNA MEZCLA EN MEDIO LIQUIDO QUE CONTENGA UN COMPUESTO DE CIRCONIO Y UN COMPUESTO DE CERIO IV; SE CALIENTA LA MEZCLA A UNA TEMPERATURA SUPERIOR A 100 (GRADOS) C; SE LLEVA EL MEDIO DE REACCION OBTENIDO TRAS EL CALENTAMIENTO A UN PH BASICO; SE RECUPERA EL PRECIPITADO ASI OBTENIDO; SE CALCINA ESTE; EN SU CASO, SE AÑADE EL ELEMENTO DOPANTE BIEN A LA MEZCLA EN MEDIO LIQUIDO DE PARTIDA BIEN A LA MEZCLA DE REACCION OBTENIDA TRAS EL CALENTAMIENTO.
ES96924030T 1995-07-03 1996-06-28 Composicion a base de oxido de circonio y de oxido de cerio, procedimiento de preparacion y utilizacion. Expired - Lifetime ES2188767T3 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES2188767T3 true ES2188767T3 (es) 2003-07-01

Family

ID=9480620

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96924030T Expired - Lifetime ES2188767T3 (es) 1995-07-03 1996-06-28 Composicion a base de oxido de circonio y de oxido de cerio, procedimiento de preparacion y utilizacion.

Country Status (18)

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

Families Citing this family (91)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2714370B1 (fr) * 1993-12-24 1996-03-08 Rhone Poulenc Chimie Précurseur d'une composition et composition à base d'un oxyde mixte de cérium et de zirconium, procédé de préparation et utilisation.
US5919727A (en) * 1996-11-14 1999-07-06 W. R. Grace & Co.-Conn. Ceric oxide washcoat
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
JP2000167402A (ja) * 1998-12-09 2000-06-20 Daihatsu Motor Co Ltd 排気ガス浄化用触媒
EP1020216B1 (en) * 1999-01-18 2004-06-02 Kabushiki Kaisha Toyota Chuo Kenkyusho Catalyst for purifying exhaust gas
US6335305B1 (en) 1999-01-18 2002-01-01 Kabushiki Kaisha Toyota Chuo Kenkyusho Catalyst for purifying exhaust gas
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
JP3992402B2 (ja) * 1999-05-25 2007-10-17 株式会社コーセー 金属酸化物固溶酸化セリウムからなる紫外線遮断剤並びにそれを配合した樹脂組成物及び化粧料
JP4443685B2 (ja) * 1999-09-10 2010-03-31 三井金属鉱業株式会社 排気ガス浄化用助触媒の製造方法
US20020032123A1 (en) * 2000-02-23 2002-03-14 Ford Global Technologies, Inc. Exhaust gas catalyst and method of manufacturing same
US7081431B2 (en) * 2000-09-08 2006-07-25 Toyota Jidosha Kabushiki Kaisha NOx absorbent and absorption reduction-type NOx purifying catalyst
US6864214B2 (en) * 2000-09-26 2005-03-08 Daihatsu Motor Co., Ltd. Exhaust gas purifying catalyst
JP4564645B2 (ja) * 2000-11-27 2010-10-20 株式会社キャタラー 排ガス浄化用触媒
JP2002177781A (ja) 2000-12-12 2002-06-25 Ict:Kk 排ガス浄化用触媒
DE60211260T2 (de) * 2001-08-30 2007-05-24 Kabushiki Kaisha Toyota Chuo Kenkyusho, Nagakute Mischoxid, Verfahren zu seiner Herstellung und Abgas Reduktions-CO-Katalysator
FR2829129B1 (fr) * 2001-09-03 2004-10-15 Rhodia Elect & Catalysis Composition a reductibilite elevee et a base d'oxyde de cerium, d'oxyde de zirconium et d'un oxyde d'une autre terre rare, son procede de preparation et son utilisation comme catalyseur
JP3946982B2 (ja) * 2001-11-01 2007-07-18 ニッケイ・メル株式会社 ジルコニア・セリア基複合酸化物の製造方法
US7214643B2 (en) 2002-03-22 2007-05-08 Kabushiki Kaisha Toyota Chuo Kenkyusho Metal oxide and method for producing the same, and catalyst
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
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
JP4079717B2 (ja) * 2002-08-05 2008-04-23 株式会社日本自動車部品総合研究所 セラミック触媒体
JP3797313B2 (ja) 2002-10-28 2006-07-19 トヨタ自動車株式会社 金属酸化物粒子の製造法及び排ガス浄化用触媒
FR2852591B1 (fr) * 2003-03-18 2006-06-16 Rhodia Elect & Catalysis Composition a base d'oxyde de zirconium et d'oxyde de cerium a temperature maximale de reductibilite reduite, son procede de preparation et son utilisation comme catalyseur
FR2852592B1 (fr) * 2003-03-18 2007-02-23 Rhodia Elect & Catalysis Compositions a base d'un oxyde de cerium, d'un oxyde de zirconium et, eventuellement d'un oxyde d'une autre terre rare, a surface specifique elevee a 1100 c, leur procede de preparation et leur utilisation comme catalyseur
US7632477B2 (en) 2003-04-30 2009-12-15 Magnesium Elektron, Ltd. Process for preparing zirconium oxides and zirconium-based mixed oxides
FR2859470B1 (fr) * 2003-09-04 2006-02-17 Rhodia Elect & Catalysis Composition a base d'oxyde de cerium et d'oxyde de zirconium a reductibilite et surface elevees, procede de preparation et utilisation comme catalyseur
JP5217072B2 (ja) * 2003-11-14 2013-06-19 トヨタ自動車株式会社 排ガス浄化用触媒およびその製法
CN100410176C (zh) * 2004-01-21 2008-08-13 三井金属鉱业株式会社 氧化物固溶体粉末
US20050163691A1 (en) * 2004-01-23 2005-07-28 C.P. Kelkar NOx reduction composition for use in FCC processes
FR2866871B1 (fr) 2004-02-26 2007-01-19 Rhodia Chimie Sa Composition a base d'oxydes de zirconium, de praseodyme, de lanthane ou de neodyme, procede de preparation et utilisation dans un systeme catalytique
FR2867769B1 (fr) * 2004-03-17 2006-05-05 Rhodia Chimie Sa Composition a base d'oxydes de zirconium, de cerium et d'etain, preparation et utilisation comme catalyseur
FR2868768B1 (fr) 2004-04-07 2007-07-20 Rhodia Chimie Sa Composition a base d'oxydes de zirconium et d'ytrium, procede de preparation et utilisation dans un systeme catalytique
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
CN101031512B (zh) * 2004-08-17 2010-12-01 日产化学工业株式会社 金属氧化物溶胶的制造方法
GB0428555D0 (en) * 2004-12-30 2005-02-09 Magnesium Elektron Ltd Composite material for automotive catalyst applications and method of manufacturing
CN100396616C (zh) * 2005-01-18 2008-06-25 内蒙古科技大学 一种高比表面积纳米铈锆复合氧化物的制备方法
US7704483B2 (en) * 2005-04-29 2010-04-27 Cabot Corporation High surface area tetragonal zirconia and processes for synthesizing same
FR2890577B1 (fr) * 2005-09-12 2009-02-27 Rhodia Recherches & Tech Procede de traitement d'un gaz contenant des oxydes d'azote (nox), utilisant comme piege a nox une composition a base d'oxyde de zirconium et d'oxyde de praseodyme
EP1764346A1 (en) * 2005-09-16 2007-03-21 Omya Development AG Process of preparing mineral material with particular ceria-containing zirconium oxide grinding beads, obtained products and their uses
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
FR2897609B1 (fr) * 2006-02-17 2009-01-16 Rhodia Recherches & Tech Composition a base d'oxydes de zirconium, de cerium, d'yttrium, de lanthane et d'une autre terre rare, procede de preparation et utilisation en catalyse
DK1991354T3 (da) * 2006-02-17 2020-03-16 Rhodia Recherches Et Tech Sammensætning på basis af zirconium-, cerium-, yttrium- og lanthanoxid og et yderligere sjældent jordartsmetals oxid, fremgangsmåde til fremstilling heraf og katalytisk anvendelse heraf
FR2898887B1 (fr) 2006-03-21 2008-05-02 Rhodia Recherches & Tech Composition a base d'oxyde de zirconium et d'oxyde de cerium a reductibilite elevee et a surface specifique stable procede de preparation et utilisation dans le traitement des gaz d'echappement
KR100993706B1 (ko) * 2006-05-15 2010-11-10 로디아 오퍼레이션스 지르코늄, 세륨 및 란타늄의 산화물 및 이트륨, 가돌리늄 또는 사마륨의 산화물 기재 고 비표면 및 환원성 조성물, 그의 제조 방법 및 촉매로서의 용도
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
US7731837B2 (en) * 2006-09-08 2010-06-08 The Penn State Research Foundation Oxidatively regenerable adsorbents for sulfur removal
EP2107093B1 (en) * 2006-12-28 2013-02-13 Kao Corporation Polishing liquid composition
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
EP2276701A4 (en) * 2008-03-27 2017-11-08 Umicore AG & Co. KG Base metal and base metal modified diesel oxidation catalysts
US9403151B2 (en) 2009-01-30 2016-08-02 Umicore Ag & Co. Kg Basic exchange for enhanced redox OS materials for emission control applications
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
US8530372B2 (en) * 2009-07-22 2013-09-10 Basf Corporation Oxygen storage catalyst with decreased ceria reduction temperature
FR2955098B1 (fr) * 2010-01-11 2014-09-05 Rhodia Operations Composition a base d'oxydes de zirconium, de cerium et d'une autre terre rare a temperature maximale de reductibilite reduite, procede de preparation et utilisation dans le domaine de la catalyse.
WO2011094098A2 (en) 2010-01-26 2011-08-04 Bloom Energy Corporation Phase stable doped zirconia electrolyte compositions with low degradation
FR2962431B1 (fr) 2010-07-07 2018-01-19 Rhodia Operations Composition a base d'oxydes de cerium, de niobium et, eventuellement, de zirconium et son utilisation en catlyse.
EP2665555A4 (en) 2010-11-16 2017-03-29 Rhodia Operations Porous inorganic composite oxide
US20130295507A1 (en) * 2010-12-23 2013-11-07 Education On Behalf Of Oregon State University Processes to form aqueous precursors, hafnium and zirconium oxide films, and hafnium and zirconium oxide patterns
FR2972366B1 (fr) 2011-03-08 2016-01-15 Rhodia Operations Procede de traitement d'un gaz contenant des oxydes d'azote (nox) utilisant comme catalyseur une composition a base de zirconium, de cerium et de niobium
RU2588960C2 (ru) 2011-03-18 2016-07-10 Орбит Элюминэ Инк. Способы извлечения редкоземельных элементов из алюминийсодержащих материалов
KR101322678B1 (ko) 2011-04-14 2013-10-30 서울대학교산학협력단 글리세롤의 탈수반응을 통한 아크롤레인 생산 반응용 촉매 및 그 제조방법
WO2012149642A1 (en) 2011-05-04 2012-11-08 Orbite Aluminae Inc. Processes for recovering rare earth elements from various ores
RU2013157943A (ru) 2011-06-03 2015-07-20 Орбит Элюминэ Инк. Способ получения гематита
EP2755918A4 (en) 2011-09-16 2015-07-01 Orbite Aluminae Inc PROCESS FOR PRODUCING TONERDE AND VARIOUS OTHER PRODUCTS
AU2013202318B2 (en) 2012-01-10 2015-11-05 Aem Technologies Inc. Processes for treating red mud
CA2862307C (en) 2012-03-29 2015-12-01 Orbite Aluminae Inc. Processes for treating fly ashes
RU2597096C2 (ru) 2012-07-12 2016-09-10 Орбит Алюминэ Инк. Способы получения оксида титана и различных других продуктов
BR112015006536A2 (pt) 2012-09-26 2017-08-08 Orbite Aluminae Inc processos para preparar alumina e cloreto de magnésio por lixiviação com hcl de vários materiais.
US9534274B2 (en) 2012-11-14 2017-01-03 Orbite Technologies Inc. Methods for purifying aluminium ions
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
JP6739434B2 (ja) 2014-12-22 2020-08-12 パフォーマンス・ポリアミデス，エスアエス シクロアルカンの酸化触媒並びにアルコール及びケトンの製造方法
CN105983403B (zh) * 2015-02-09 2019-01-01 有研稀土新材料股份有限公司 一种铈锆复合氧化物、其制备方法及催化剂的应用
JP6552355B2 (ja) * 2015-09-25 2019-07-31 国立大学法人千葉大学 不飽和アルコールの製造方法及び触媒
JP6727079B2 (ja) * 2015-10-07 2020-07-22 昭和電工株式会社 不飽和アルコール製造用触媒及び不飽和アルコールの製造方法
CN105214492A (zh) * 2015-11-14 2016-01-06 华玉叶 一种家用煤炉烟气净化方法
JP6682650B2 (ja) 2016-04-01 2020-04-15 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 メソポーラスジルコニウム系複合酸化物の製造方法
EP3558514A1 (fr) * 2016-12-23 2019-10-30 Rhodia Operations Oxyde mixte résistant au vieillissement à base de cérium, de zirconium, d'aluminium et de lanthane pour convertisseur catalytique automobile
WO2019136340A1 (en) 2018-01-08 2019-07-11 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
FR3077567A1 (fr) 2018-02-02 2019-08-09 Rhodia Operations Procede de preparation d'un oxyde a base de cerium et/ou de zirconium
FR3077566A1 (fr) 2018-02-02 2019-08-09 Rhodia Operations Procede de preparation d'un oxyde a base de cerium et/ou de zirconium
US11745169B1 (en) * 2019-05-17 2023-09-05 Unm Rainforest Innovations Single atom metal doped ceria for CO oxidation and HC hydrogenation/oxidation
CN114127030B (zh) * 2019-07-30 2024-01-30 第一稀元素化学工业株式会社 氧化锆系复合氧化物以及氧化锆系复合氧化物的制造方法
US11541373B2 (en) 2019-11-19 2023-01-03 Toyota Motor Engineering & Manufacturing North America, Inc. Mixed oxide catalyst for oxygen storage applications and a method for making the catalyst
CN115244006B (zh) * 2020-04-28 2025-02-07 优美科触媒日本有限公司 Ce-Zr复合氧化物及其制造方法以及使用了其的废气净化用催化剂
WO2022248205A1 (en) 2021-05-28 2022-12-01 Rhodia Operations Composition of aluminium oxide and cerium oxide with a particular porosity profile
CN118055806A (zh) 2021-07-30 2024-05-17 罗地亚经营管理公司 氧化铝和氧化铈的组合物
CN116082045B (zh) * 2022-12-15 2024-05-17 先导薄膜材料（广东）有限公司 氧化铟钛钽铈粉末及其制备方法和改善氧化铟钛钽铈性能的方法
CN117509724B (zh) * 2023-09-28 2024-06-21 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

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2590887B1 (fr) * 1985-12-02 1990-09-07 Rhone Poulenc Spec Chim Composition a base d'oxyde de zirconium et procede de preparation
US5008090A (en) * 1987-06-15 1991-04-16 Allied-Signal Inc. Catalytic process for minimizing the H2 S emissions from automotive exhaust
US4760044A (en) * 1987-06-15 1988-07-26 Allied-Signal Inc. Catalyst for minimizing the H2 S emissions from automotive exhaust and method of its manufacture
US5015617A (en) 1988-04-14 1991-05-14 Nippon Shokubai Kagaku Kogyo Co., Ltd. Catalyst for purifying exhaust gas and method for production thereof
US4977129A (en) * 1989-03-13 1990-12-11 W. R Grace & Co.-Conn. Auto exhaust catalyst composition having low H2 S emissions and method of making the catalyst
CA2011484C (en) * 1989-04-19 1997-03-04 Joseph C. Dettling Palladium-containing, ceria-supported platinum catalyst and catalyst assembly including the same
US5254519A (en) * 1990-02-22 1993-10-19 Engelhard Corporation Catalyst composition containing platinum and rhodium components
JP2641108B2 (ja) * 1990-06-21 1997-08-13 大日精化工業株式会社 酸化セリウム微粉体の製造方法
FR2668860B1 (fr) 1990-11-02 1994-02-11 Andre Patinier Prise electrique a deux fiches, a raccordement sans denudage.
JP3145175B2 (ja) * 1992-03-31 2001-03-12 三井金属鉱業株式会社 排ガス浄化用触媒及びその製造方法
FR2699524B1 (fr) * 1992-12-21 1995-02-10 Rhone Poulenc Chimie Composition à base d'un oxyde mixte de cérium et de zirconium, préparation et utilisation.
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.
JP3041662B2 (ja) * 1993-06-21 2000-05-15 三徳金属工業株式会社 酸素吸収・放出能を有する複合酸化物、その製造法、及びその使用方法
FR2714370B1 (fr) * 1993-12-24 1996-03-08 Rhone Poulenc Chimie Précurseur d'une composition et composition à base d'un oxyde mixte de cérium et de zirconium, procédé de préparation et utilisation.

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FI980007L (fi) 1998-02-19
NO322625B1 (no) 2006-11-06
CN1177764C (zh) 2004-12-01
AU720555B2 (en) 2000-06-01
FR2736343B1 (fr) 1997-09-19
DE69625237D1 (de) 2003-01-16
FI980007A0 (fi) 1998-01-02
EP0863846A1 (fr) 1998-09-16
NO976144D0 (no) 1997-12-30
CA2224409A1 (fr) 1997-01-23
CA2224409C (fr) 2002-04-09
ZA965464B (en) 1997-04-24
ATE228970T1 (de) 2002-12-15
AU6462196A (en) 1997-02-05
MX9800114A (es) 1998-04-30
JPH10512191A (ja) 1998-11-24
DE69625237C5 (de) 2020-04-23
DE69625237T2 (de) 2003-08-21
FR2736343A1 (fr) 1997-01-10
WO1997002213A1 (fr) 1997-01-23
JP3490456B2 (ja) 2004-01-26
NO976144L (no) 1998-03-03
MY114721A (en) 2002-12-31
EP0863846B1 (fr) 2002-12-04
FI114909B (fi) 2005-01-31
KR100431919B1 (ko) 2004-07-16
KR19990028713A (ko) 1999-04-15
BR9609435A (pt) 1999-05-25
US6214306B1 (en) 2001-04-10
CN1193948A (zh) 1998-09-23

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