DK2720980T3 - Sammensætning baseret på oxider af cerium, zirconium og en anden sjælden jordart med høj reducerbarhed, fremgangsmåde til fremstilling og anvendelse inden for katalyseområdet - Google Patents

Sammensætning baseret på oxider af cerium, zirconium og en anden sjælden jordart med høj reducerbarhed, fremgangsmåde til fremstilling og anvendelse inden for katalyseområdet Download PDF

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DK2720980T3
DK2720980T3 DK12731334.4T DK12731334T DK2720980T3 DK 2720980 T3 DK2720980 T3 DK 2720980T3 DK 12731334 T DK12731334 T DK 12731334T DK 2720980 T3 DK2720980 T3 DK 2720980T3
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catalym
cerium
zirconium
oxides
procedure
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DK12731334.4T
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English (en)
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Simon Ifrah
Julien Hernandez
Dominique Horbez
Lama Itani
Emmanuel Rohart
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Rhodia Operations
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    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00Compounds of zirconium
    • C01G25/02Oxides
    • 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
    • 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
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    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/32Manganese, technetium or rhenium
    • B01J23/34Manganese
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/83Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/40Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61Surface area
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61Surface area
    • B01J35/61310-100 m2/g
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/03Precipitation; Co-precipitation
    • B01J37/031Precipitation
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    • B01J37/06Washing
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/34Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
    • B01J37/341Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
    • B01J37/343Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of ultrasonic wave energy
    • 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
    • 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
    • C01F17/229Lanthanum oxides or hydroxides
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    • 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
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00Compounds of zirconium
    • C01G25/006Compounds containing, besides zirconium, two or more other elements, with the exception of oxygen or hydrogen
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B01D2255/00Catalysts
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    • B01D2255/2063Lanthanum
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    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/206Rare earth metals
    • B01D2255/2065Cerium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B01D2255/20715Zirconium
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B01D2255/00Catalysts
    • B01D2255/90Physical characteristics of catalysts
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    • B01D2255/9207Specific surface
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B01D53/944Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
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    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
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    • 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
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  • Optics & Photonics (AREA)
  • Toxicology (AREA)
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  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
DK12731334.4T 2011-06-17 2012-06-13 Sammensætning baseret på oxider af cerium, zirconium og en anden sjælden jordart med høj reducerbarhed, fremgangsmåde til fremstilling og anvendelse inden for katalyseområdet DK2720980T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1101867A FR2976574B1 (fr) 2011-06-17 2011-06-17 Composition a base d'oxydes de cerium, de zirconium et d'une autre terre rare a reductibilite elevee, procede de preparation et utilisation dans le domaine de la catalyse.
PCT/EP2012/061179 WO2012171947A1 (fr) 2011-06-17 2012-06-13 Composition a base d'oxydes de cerium, de zirconium et d'une autre terre rare a reductibilite elevee, procede de preparation et utilisation dans le domaine de la catalyse

Publications (1)

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DK2720980T3 true DK2720980T3 (da) 2021-12-20

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DK12731334.4T DK2720980T3 (da) 2011-06-17 2012-06-13 Sammensætning baseret på oxider af cerium, zirconium og en anden sjælden jordart med høj reducerbarhed, fremgangsmåde til fremstilling og anvendelse inden for katalyseområdet

Country Status (12)

Country Link
US (1) US10369547B2 (da)
EP (1) EP2720980B1 (da)
JP (1) JP6042423B2 (da)
KR (1) KR102022300B1 (da)
CN (2) CN103619758A (da)
CA (1) CA2836005C (da)
DK (1) DK2720980T3 (da)
FR (1) FR2976574B1 (da)
PL (1) PL2720980T3 (da)
RU (1) RU2610080C2 (da)
WO (1) WO2012171947A1 (da)
ZA (1) ZA201309412B (da)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5883425B2 (ja) * 2013-10-04 2016-03-15 株式会社豊田中央研究所 セリア−ジルコニア系複合酸化物及びその製造方法、並びにそのセリア−ジルコニア系複合酸化物を用いた排ガス浄化用触媒
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
FR3050450A1 (fr) 2016-04-26 2017-10-27 Rhodia Operations Oxyde mixte a base de cerium et de zirconium
MY192732A (en) * 2016-05-18 2022-09-05 Rhodia Operations Cerium oxide particles and method for production thereof
FR3067948A1 (fr) * 2017-06-23 2018-12-28 Rhodia Operations Procede de preparation de nanoparticules d'un compose du fer et/ou du cerium
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
WO2020061723A1 (en) * 2018-09-24 2020-04-02 Rhodia Operations Mixed oxide with improved reducibility
CN113226989A (zh) * 2018-12-28 2021-08-06 罗地亚经营管理公司 氧化铈颗粒及其生产方法
CN113646069B (zh) 2019-04-10 2023-09-22 米其林集团总公司 用于生产基于弹性体的复合物的强力混合工具
CN111135836B (zh) * 2020-01-03 2023-04-21 神华新能源有限责任公司 一种铜锆铈复合氧化物催化剂及其制备方法
CN111569892B (zh) * 2020-05-29 2022-11-29 包头稀土研究院 铈基固溶体及其制备方法和用途
CN112076740A (zh) * 2020-09-17 2020-12-15 有研稀土新材料股份有限公司 一种元素梯度分布的铈锆基复合氧化物及其制备方法
RU2766540C1 (ru) * 2021-05-27 2022-03-15 Евгений Олегович Бакшеев Способ производства оксидных композиций церия-циркония и редкоземельных элементов

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570087B1 (fr) 1984-09-13 1986-11-21 Rhone Poulenc Spec Chim Procede d'oxydation electrolytique et ensemble d'electrolyse pour sa mise en oeuvre
FR2748740B1 (fr) * 1996-05-15 1998-08-21 Rhone Poulenc Chimie Composition a base d'oxyde de cerium et d'oxyde de zirconium a haute surface specifique et a capacite elevee de stockage d'oxygene, procede de preparation et utilisation en catalyse
JP3262044B2 (ja) * 1996-10-07 2002-03-04 株式会社豊田中央研究所 複合酸化物担体および複合酸化物含有触媒
EP0834348B1 (en) 1996-10-07 2004-03-31 Kabushiki Kaisha Toyota Chuo Kenkyusho Composite oxide, composite oxide carrier and catalyst
WO1998045212A1 (en) 1997-04-04 1998-10-15 Rhodia Rare Earths Inc. CERIUM OXIDES, ZIRCONIUM OXIDES, Ce/Zr MIXED OXIDES AND Ce/Zr SOLID SOLUTIONS HAVING IMPROVED THERMAL STABILITY AND OXYGEN STORAGE CAPACITY
US6528451B2 (en) * 2001-03-13 2003-03-04 W.R. Grace & Co.-Conn. Catalyst support material having high oxygen storage capacity and method of preparation thereof
EP1464622A1 (en) * 2003-03-17 2004-10-06 Umicore AG & Co. KG An oxygen storage material, comprising Cerium oxide and at least one other oxide of a metal, process for its preparation and its application in a catalyst
FR2852596B1 (fr) * 2003-03-18 2007-02-23 Rhodia Elect & Catalysis Composition a base d'oxydes de cerium et de zirconium a surface specifique stable entre 900 c et 1000 c, 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
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
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
JP3812578B2 (ja) * 2004-09-03 2006-08-23 マツダ株式会社 排ガス浄化触媒及び同触媒用酸素吸蔵材
EP1632288B1 (en) 2004-09-03 2012-06-20 Mazda Motor Corporation Exhaust gas purification catalyst and oxygen storage component for the same
GB0428555D0 (en) 2004-12-30 2005-02-09 Magnesium Elektron Ltd Composite material for automotive catalyst applications and method of manufacturing
RU2398629C2 (ru) * 2006-02-17 2010-09-10 Родиа Операсьон Композиция на основе оксидов циркония, церия, иттрия, лантана и другого редкоземельного элемента, способ получения и применение в катализе
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
FR2908761B3 (fr) * 2006-11-16 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,a haute reductibilite,procede de preparation et utilisation en catalyse
FR2900920B1 (fr) * 2006-05-15 2008-07-11 Rhodia Recherches & Tech Composition a base d'oxides de zirconium, de cerium, de lanthane et d'yttrium, de gadolinium ou de samarium, a surface specifique stable, procede de preparation et utilisation comme catalyseur
US7985388B2 (en) 2006-10-02 2011-07-26 Nanomaterials Technology Pte Ltd Process for making nano-sized and micro-sized precipitate particles
JP5376292B2 (ja) * 2008-11-07 2013-12-25 株式会社豊田中央研究所 金属化合物のコロイド溶液およびその製造方法
FR2959735B1 (fr) * 2010-05-06 2012-06-22 Rhodia Operations Composition a base d'oxydes de zirconium, de cerium d'au moins une autre terre rare, a porosite specifique, procede de preparation et utilisation en catalyse.

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CA2836005C (fr) 2020-09-15
CA2836005A1 (fr) 2012-12-20
JP2014516910A (ja) 2014-07-17
WO2012171947A1 (fr) 2012-12-20
US10369547B2 (en) 2019-08-06
ZA201309412B (en) 2022-09-28
KR102022300B1 (ko) 2019-09-19
CN103619758A (zh) 2014-03-05
US20140205522A1 (en) 2014-07-24
CN111498899A (zh) 2020-08-07
EP2720980A1 (fr) 2014-04-23
FR2976574B1 (fr) 2013-05-31
EP2720980B1 (fr) 2021-09-29
KR20140031942A (ko) 2014-03-13
PL2720980T3 (pl) 2022-02-14
RU2610080C2 (ru) 2017-02-07
JP6042423B2 (ja) 2016-12-14
FR2976574A1 (fr) 2012-12-21
RU2014101338A (ru) 2015-07-27

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