FI962586A0 - Koostumuksen esimuoto ja cerium ja zirkoniumin sekaoksidiin perustuva koostumus, menetelmä sen valmistamiseksi ja sen käyttö - Google Patents

Koostumuksen esimuoto ja cerium ja zirkoniumin sekaoksidiin perustuva koostumus, menetelmä sen valmistamiseksi ja sen käyttö

Info

Publication number
FI962586A0
FI962586A0 FI962586A FI962586A FI962586A0 FI 962586 A0 FI962586 A0 FI 962586A0 FI 962586 A FI962586 A FI 962586A FI 962586 A FI962586 A FI 962586A FI 962586 A0 FI962586 A0 FI 962586A0
Authority
FI
Finland
Prior art keywords
composition
precursor
pct
cerium
preparation
Prior art date
Application number
FI962586A
Other languages
English (en)
Swedish (sv)
Other versions
FI962586A (fi
FI107799B (fi
Inventor
Lionel Bonneau
Thierry Chopin
Olivier Touret
Gabriel Vilmin
Original Assignee
Rhone Poulenc Chimie
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=9454362&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI962586(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rhone Poulenc Chimie filed Critical Rhone Poulenc Chimie
Publication of FI962586A publication Critical patent/FI962586A/fi
Publication of FI962586A0 publication Critical patent/FI962586A0/fi
Application granted granted Critical
Publication of FI107799B publication Critical patent/FI107799B/fi

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00Compounds of zirconium
    • C01G25/02Oxides
    • 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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00Compounds of rare earth metals
    • C01F17/20Compounds containing only rare earth metals as the metal element
    • C01F17/206Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/224Oxides or hydroxides of lanthanides
    • C01F17/235Cerium oxides or hydroxides
    • 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
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
    • 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
    • C01P2006/13Surface area thermal stability thereof at high temperatures
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/14Pore volume
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/16Pore diameter
FI962586A 1993-12-24 1996-06-20 Ceriumin ja zirkoniumin sekaoksidiin perustuva koostumus ja sen esimuoto, menetelmät niiden valmistamiseksi sekä koostumuksen käyttö FI107799B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR9315605 1993-12-24
FR9315605A FR2714370B1 (fr) 1993-12-24 1993-12-24 Précurseur d'une composition et composition à base d'un oxyde mixte de cérium et de zirconium, procédé de préparation et utilisation.
FR9401489 1994-12-20
PCT/FR1994/001489 WO1995018068A1 (fr) 1993-12-24 1994-12-20 Precurseur d'une composition et composition a base d'un oxyde mixte de cerium et de zirconium, procede de preparation et utilisation

Publications (3)

Publication Number Publication Date
FI962586A FI962586A (fi) 1996-06-20
FI962586A0 true FI962586A0 (fi) 1996-06-20
FI107799B FI107799B (fi) 2001-10-15

Family

ID=9454362

Family Applications (1)

Application Number Title Priority Date Filing Date
FI962586A FI107799B (fi) 1993-12-24 1996-06-20 Ceriumin ja zirkoniumin sekaoksidiin perustuva koostumus ja sen esimuoto, menetelmät niiden valmistamiseksi sekä koostumuksen käyttö

Country Status (15)

Country Link
US (1) US5908800A (fi)
EP (1) EP0735984B1 (fi)
JP (1) JP3016865B2 (fi)
KR (1) KR100354470B1 (fi)
CN (1) CN1039804C (fi)
AT (1) ATE163905T1 (fi)
AU (1) AU692207B2 (fi)
BR (1) BR9408361A (fi)
CA (1) CA2178834C (fi)
DE (1) DE69409006C5 (fi)
ES (1) ES2117394T3 (fi)
FI (1) FI107799B (fi)
FR (1) FR2714370B1 (fi)
WO (1) WO1995018068A1 (fi)
ZA (1) ZA9410256B (fi)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE69728341T2 (de) * 1996-10-07 2004-12-30 Kabushiki Kaisha Toyota Chuo Kenkyusho Verbundoxid, Verbundoxidträger und Katalysator
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
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
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
CN1094467C (zh) * 1999-02-15 2002-11-20 上海跃龙有色金属有限公司 纳米铈锆复合氧化物、其制备方法及用途
EP1035074B1 (en) * 1999-03-05 2007-02-14 Daiichi Kigenso Kagaku Co., Ltd. Zirconium- and cerium-based mixed oxide, method of production thereof, catalyst material comprising the mixed oxide and use of the catalyst in exhaust gas purification
US6204219B1 (en) * 1999-07-29 2001-03-20 W. R. Grace & Co.-Conn. Thermally stable support material and method for making the same
US6297406B1 (en) 1999-08-03 2001-10-02 Mobil Oil Corporation Production of phenol
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
FR2811908B1 (fr) 2000-07-24 2003-04-04 Rhodia Terres Rares Procede de traitement d'un gaz pour la reduction de l'emission des oxydes d'azote avec un catalyseur a base de rhodium avec du palladium et/ou du platine
US7563746B2 (en) * 2002-02-06 2009-07-21 Umicore Ag & Co. Kg Catalyst and method of making the same
US7041622B2 (en) * 2002-02-06 2006-05-09 Delphi Technologies, Inc. Catalyst, an exhaust emission control device and a method of using the same
JP4132863B2 (ja) * 2002-02-18 2008-08-13 株式会社ノリタケカンパニーリミテド 酸素イオン伝導体成形用原料粉体及びその製造方法
JP4218364B2 (ja) * 2002-03-29 2009-02-04 株式会社豊田中央研究所 金属酸化物の製造方法
US7214643B2 (en) * 2002-03-22 2007-05-08 Kabushiki Kaisha Toyota Chuo Kenkyusho Metal oxide and method for producing the same, and catalyst
US20040147394A1 (en) * 2002-03-28 2004-07-29 Wagner Jon P. Catalyst for production of hydrogen
KR100482646B1 (ko) * 2002-12-13 2005-04-14 한국화학연구원 공침법으로 제조된 천연가스 개질반응용 촉매
JP2004261641A (ja) * 2003-02-12 2004-09-24 Toyota Motor Corp 排ガス浄化用触媒及びその製造方法
US6803135B2 (en) * 2003-02-24 2004-10-12 Chromalloy Gas Turbine Corporation Thermal barrier coating having low thermal conductivity
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
EP1479651B2 (en) 2003-05-21 2017-07-19 Toyota Jidosha Kabushiki Kaisha Method for production of porous composite oxide
KR20040100136A (ko) * 2003-05-21 2004-12-02 한화석유화학 주식회사 금속 산화물의 도핑 방법
CN100376484C (zh) * 2003-12-30 2008-03-26 同济大学 一种纳米铈锆复合氧化物的制备方法及应用
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
JP4432588B2 (ja) * 2004-04-07 2010-03-17 株式会社豊田中央研究所 触媒及び触媒の製造方法
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
US7468465B2 (en) * 2005-05-31 2008-12-23 Exxonmobil Chemical Patents Inc. Method of making mixed metal oxide containing sulfur
US7173158B2 (en) * 2005-05-31 2007-02-06 Exxonmobil Chemical Patents Inc. Mixed metal oxide containing sulfur
JP4979900B2 (ja) * 2005-06-16 2012-07-18 株式会社キャタラー 排ガス浄化用触媒
CN100387522C (zh) * 2005-07-27 2008-05-14 浙江师范大学 高储氧纳米铈基复合氧化物材料的制备工艺
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
GB0609783D0 (en) * 2006-05-17 2006-06-28 Magnesium Elektron Ltd Improved oxygen storage component
EP1894620B2 (en) * 2006-08-22 2023-06-07 Daiichi Kigenso Kagaku Kogyo Co., Ltd. Method to produce a porous zirconia powder
JP5096751B2 (ja) * 2007-01-26 2012-12-12 クラリアント触媒株式会社 物理的強度が改良されたアルキル芳香族化合物脱水素触媒およびその製造方法並びに脱水素化方法
US8173082B1 (en) * 2007-05-14 2012-05-08 Gas Technology Institute JP-8 fuel processor system
CN101998933B (zh) * 2008-02-12 2013-04-03 株式会社三德 复合氧化物
JP5164665B2 (ja) * 2008-04-09 2013-03-21 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
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
KR20130136593A (ko) 2010-03-12 2013-12-12 히타치가세이가부시끼가이샤 슬러리, 연마액 세트, 연마액 및 이것들을 이용한 기판의 연마 방법
JP2011190149A (ja) * 2010-03-15 2011-09-29 Sumitomo Osaka Cement Co Ltd 複合セラミックス粉体およびその製造方法並びに固体酸化物形燃料電池
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.
FR2965189A1 (fr) 2010-09-29 2012-03-30 Rhodia Operations Procede de traitement d'un gaz contenant des oxydes d'azote (nox) utilisant comme catalyseur une composition a base d'oxyde de cerium et d'oxyde de niobium
KR101686949B1 (ko) * 2010-10-19 2016-12-16 삼성전자 주식회사 금속 산화물 살균 촉매 및 이를 이용한 살균처리 장치
KR101886892B1 (ko) 2010-11-22 2018-08-08 히타치가세이가부시끼가이샤 슬러리, 연마액 세트, 연마액, 기판의 연마 방법 및 기판
SG190059A1 (en) * 2010-11-22 2013-06-28 Hitachi Chemical Co Ltd Method for producing abrasive grains, method for producing slurry, and method for producing polishing liquid
KR101476943B1 (ko) 2010-11-22 2014-12-24 히타치가세이가부시끼가이샤 슬러리, 연마액 세트, 연마액, 기판의 연마 방법 및 기판
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
KR101318255B1 (ko) * 2011-11-15 2013-10-15 서울대학교산학협력단 디메틸카보네이트 제조용 갈륨 옥사이드-세륨 옥사이드-지르코늄 옥사이드 복합 촉매 및 상기 촉매를 이용한 디메틸카보네이트의 제조방법
US20140309104A1 (en) 2011-11-16 2014-10-16 Santoku Corporation Composite oxide
WO2013125445A1 (ja) 2012-02-21 2013-08-29 日立化成株式会社 研磨剤、研磨剤セット及び基体の研磨方法
KR102005132B1 (ko) 2012-02-21 2019-07-29 히타치가세이가부시끼가이샤 연마제, 연마제 세트 및 기체의 연마 방법
SG11201407087XA (en) 2012-05-22 2014-12-30 Hitachi Chemical Co Ltd Slurry, polishing-solution set, polishing solution, substrate polishing method, and substrate
US10557059B2 (en) 2012-05-22 2020-02-11 Hitachi Chemical Company, Ltd. Slurry, polishing-solution set, polishing solution, substrate polishing method, and substrate
US9932497B2 (en) 2012-05-22 2018-04-03 Hitachi Chemical Company, Ltd. Slurry, polishing-solution set, polishing solution, substrate polishing method, and substrate
JP5889756B2 (ja) * 2012-09-14 2016-03-22 三井金属鉱業株式会社 排気ガス浄化用触媒担体
EP3087043A4 (en) * 2013-12-23 2017-08-30 Rhodia Operations Inorganic composite oxides and methods of making the same
US10864499B2 (en) 2014-09-05 2020-12-15 Neo Performance Materials (Singapore), PTE. LTD. High porosity cerium and zirconium containing oxide
JP6325010B2 (ja) * 2016-01-28 2018-05-16 第一稀元素化学工業株式会社 アルミナ系複合酸化物及びその製造方法
CN109641758B (zh) 2017-06-30 2021-11-02 第一稀元素化学工业株式会社 氧化铝系复合氧化物及其制造方法
JP7255459B2 (ja) * 2019-11-15 2023-04-11 トヨタ自動車株式会社 排ガス浄化用触媒
CN114177902B (zh) * 2021-12-14 2023-09-15 西华师范大学 一种具有微米级大孔的铈锆固溶体及其制备方法和应用

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5992973A (ja) * 1982-11-15 1984-05-29 株式会社豊田中央研究所 ジルコニア材料およびジルコニア強化方法
JPS59162173A (ja) * 1983-03-07 1984-09-13 東ソー株式会社 ジルコニア焼結体
CA1213874A (en) * 1983-05-12 1986-11-12 Tomohisa Ohata Process for producing honeycomb catalyst for exhaust gas conversion
US4497785A (en) * 1983-11-18 1985-02-05 Union Oil Company Of California Production of rare earth compounds
JPS60110334A (ja) * 1983-11-21 1985-06-15 Nissan Motor Co Ltd 排ガス浄化用触媒の製造方法
JPS60137827A (ja) * 1983-12-23 1985-07-22 Shin Etsu Chem Co Ltd ジルコニア微粉末の製造方法
JPH0635329B2 (ja) * 1984-10-01 1994-05-11 住友化学工業株式会社 酸化ジルコニウム粉体の製造方法
US4668654A (en) * 1985-05-16 1987-05-26 Phillips Petroleum Company Nickel-cerium oxide-zirconium oxide-silica catalysts for hydrogenation of succinic anhydride to butyrolactone
US4639356A (en) * 1985-11-05 1987-01-27 American Cyanamid Company High technology ceramics with partially stabilized zirconia
FR2590887B1 (fr) * 1985-12-02 1990-09-07 Rhone Poulenc Spec Chim Composition a base d'oxyde de zirconium et procede de preparation
US5202300A (en) * 1988-02-18 1993-04-13 Engelhard Corporation Catalyst for purification of exhaust gas
CA1334962C (en) * 1988-04-14 1995-03-28 Tomohisa Ohata Catalyst for purifying exhaust gas and method for production thereof
FR2656861B1 (fr) * 1990-01-05 1992-04-03 Cezus Co Europ Zirconium Zircone stabilisee par les oxydes d'yttrium et de cerium.
US5134109A (en) * 1989-07-07 1992-07-28 Idemitsu Kosan Company Limited Catalyst for reforming hydrocarbon with steam
JP2578219B2 (ja) * 1989-10-18 1997-02-05 日産自動車株式会社 排ガス浄化用触媒の製造方法
US5139992A (en) * 1989-11-08 1992-08-18 Engelhard Corporation Three-way conversion catalyst including a ceria-containing zirconia support
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
JP3190060B2 (ja) * 1991-05-21 2001-07-16 住友大阪セメント株式会社 セリア固溶正方晶ジルコニア微粉末の製造方法
BR9102212A (pt) * 1991-05-29 1993-01-05 Univ Estadual Paulista Julio D Processo de preparacao de zirconia dopada e nao dopada pela rota sol-gel usando nitrato de zirconila como material de partida
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
JP3505235B2 (ja) * 1994-10-05 2004-03-08 株式会社三徳 酸素吸収・放出能を有する複合酸化物
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

Also Published As

Publication number Publication date
FR2714370A1 (fr) 1995-06-30
CA2178834C (fr) 2000-11-07
KR960706453A (ko) 1996-12-09
US5908800A (en) 1999-06-01
DE69409006C5 (de) 2019-08-14
EP0735984B1 (fr) 1998-03-11
JP3016865B2 (ja) 2000-03-06
WO1995018068A1 (fr) 1995-07-06
ES2117394T3 (es) 1998-08-01
BR9408361A (pt) 1997-08-26
FI962586A (fi) 1996-06-20
JPH09506587A (ja) 1997-06-30
CA2178834A1 (fr) 1995-07-06
CN1039804C (zh) 1998-09-16
DE69409006D1 (de) 1998-04-16
CN1137784A (zh) 1996-12-11
EP0735984A1 (fr) 1996-10-09
ZA9410256B (en) 1996-02-06
AU1319495A (en) 1995-07-17
DE69409006T2 (de) 1998-09-24
FR2714370B1 (fr) 1996-03-08
AU692207B2 (en) 1998-06-04
FI107799B (fi) 2001-10-15
KR100354470B1 (ko) 2002-12-26
ATE163905T1 (de) 1998-03-15

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