ES2045162T3 - Procedimiento de obtencion de un oxido de tierra rara trivalente. - Google Patents

Procedimiento de obtencion de un oxido de tierra rara trivalente.

Info

Publication number
ES2045162T3
ES2045162T3 ES88401417T ES88401417T ES2045162T3 ES 2045162 T3 ES2045162 T3 ES 2045162T3 ES 88401417 T ES88401417 T ES 88401417T ES 88401417 T ES88401417 T ES 88401417T ES 2045162 T3 ES2045162 T3 ES 2045162T3
Authority
ES
Spain
Prior art keywords
procedure
obtaining
rare earth
earth oxide
trivalent rare
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
ES88401417T
Other languages
English (en)
Inventor
Claire David
Francoise Seon
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
Rhone Poulenc Chimie SA
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
Application filed by Rhone Poulenc Chimie SA filed Critical Rhone Poulenc Chimie SA
Application granted granted Critical
Publication of ES2045162T3 publication Critical patent/ES2045162T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G99/00—Subject matter not provided for in other groups of this subclass
    • 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
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/218—Yttrium oxides or hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/224—Oxides or hydroxides of lanthanides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/224—Oxides or hydroxides of lanthanides
    • C01F17/229—Lanthanum oxides or hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G17/00—Compounds of germanium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/50—Agglomerated particles
    • 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
    • C01P2006/13—Surface area thermal stability thereof at high temperatures
    • 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
    • C01P2006/14—Pore volume
    • 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
    • C01P2006/16—Pore diameter

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Hard Magnetic Materials (AREA)

Abstract

EL PRESENTE INVENTO TIENE POR OBJETO UN PROCEDIMIENTO DE OBTENCION DE OXIDO DE TIERRA RARA E IGUALMENTE EL PRODUCTO OBTENIDO. EL PROCEDIMIENTO SE CARACTERIZA POR EL HECHO DE QUE CONSISTE EN PREPARAR UN HIDROXIDO NATURAL DE TIERRA RARA POR REACCION DE AL MENOS UNA SAL DE TIERRA RARA Y DE UNA BASE FUERTE EN PRESENCIA DE IONES CARBOXILATO, O POR REACCION DE UN CARBOXILATO DE TIERRA RARA Y DE UNA BASE FUERTE, EN SEPARAR EL PRECIPITADO OBTENIDO, EN LAVARLE, Y EN TRATARLE QUIMICAMENTE. EL DOMINIO DE APLICACION PRIVILEGIADA DEL PRODUCTO OBTENIDO, ES LA CATALISIS
ES88401417T 1987-06-17 1988-06-10 Procedimiento de obtencion de un oxido de tierra rara trivalente. Expired - Lifetime ES2045162T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8708440A FR2616769B1 (fr) 1987-06-17 1987-06-17 Procede d'obtention d'un oxyde de terre rare et produit obtenu

Publications (1)

Publication Number Publication Date
ES2045162T3 true ES2045162T3 (es) 1994-01-16

Family

ID=9352138

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88401417T Expired - Lifetime ES2045162T3 (es) 1987-06-17 1988-06-10 Procedimiento de obtencion de un oxido de tierra rara trivalente.

Country Status (11)

Country Link
US (1) US5496528A (es)
EP (1) EP0297937B1 (es)
JP (1) JPS6452609A (es)
KR (1) KR910004834B1 (es)
CN (1) CN1018819B (es)
AT (1) ATE80864T1 (es)
BR (1) BR8802950A (es)
DE (1) DE3874821T2 (es)
ES (1) ES2045162T3 (es)
FR (1) FR2616769B1 (es)
GR (1) GR3006482T3 (es)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2741281B1 (fr) * 1995-11-22 1998-02-13 Rhone Poulenc Chimie Sol organique comportant au moins un compose oxygene de terre(s) rare(s), procede de synthese du dit sol et utilisation du dit sol pour la catalyse
US5783676C1 (en) * 1996-03-29 2002-03-12 Rhodia Rare Earths Inc Synthesis of solid powdery rare earth carboxylates by a precipitation method
CN1060454C (zh) * 1997-04-10 2001-01-10 同济大学 大比表面积、超细氧化钇的制备方法
US6909024B1 (en) 1999-11-22 2005-06-21 The Dow Chemical Company Process for the conversion of ethylene to vinyl chloride and novel catalyst compositions useful for such process
US6680415B1 (en) * 1999-11-22 2004-01-20 Dow Global Technologies Inc. Oxyhalogenation process using catalyst having porous rare earth halide support
US6933417B1 (en) 1999-11-22 2005-08-23 Dow Global Technologies Inc. Process for vinyl chloride manufacture from ethane and ethylene with partial CHl recovery from reactor effluent
US6797845B1 (en) 1999-11-22 2004-09-28 Dow Global Technologies Inc. Process for vinyl chloride manufacture from ethane and ethylene with immediate HCl recovery from reactor effluent
US6733882B2 (en) * 2000-08-10 2004-05-11 Shin-Etsu Chemical Co., Ltd. Rare earth hydroxide and method for the preparation thereof
US6403523B1 (en) 2000-09-18 2002-06-11 Union Carbide Chemicals & Plastics Technology Corporation Catalysts for the oxidative dehydrogenation of hydrocarbons
US6811760B2 (en) * 2001-03-30 2004-11-02 General Electric Company Inorganic acicular bodies and method for producing same
BR0210049A (pt) * 2001-05-23 2004-08-17 Dow Global Technologies Inc Processo de halogenação oxidativa e deshidrogenação opcional de hidrocarbonetos c3+
US20040152929A1 (en) * 2002-05-08 2004-08-05 Clarke William D Process for vinyl chloride manufacture from ethane and ethylene with air feed and alternative hcl processing methods
JP4836532B2 (ja) * 2005-08-26 2011-12-14 第一稀元素化学工業株式会社 酸化ネオジムゾルの製造方法
US20110101273A1 (en) * 2005-09-16 2011-05-05 Robert Rewick Process and Composition for Making Rare Earth Doped Particles and Methods of Using Them
EP1934142B1 (en) * 2005-09-20 2013-05-01 LG Chem, Ltd. Cerium carbonate powder, method for preparing the same, cerium oxide powder made therefrom, method for preparing the same, and cmp slurry comprising the same
US8361419B2 (en) 2005-09-20 2013-01-29 Lg Chem, Ltd. Cerium carbonate powder, method for preparing the same, cerium oxide powder made therefrom, method for preparing the same, and CMP slurry comprising the same
CN101417229B (zh) * 2007-10-22 2015-03-11 拜耳材料科技(中国)有限公司 用于有机碳酸酯合成的催化剂、其制备方法及其用途
DE102010031099A1 (de) * 2010-07-08 2012-01-12 Technische Universität Berlin Lanthanoid-Oxid und dessen Verwendung als Katalysator zur Umwandlung von Methan in höhere Kohlenwasserstoffe
CN104108737B (zh) * 2014-07-14 2016-08-17 东北大学 铜-稀土纳米花瓣状金属氧化物的合成方法
CN105692677B (zh) * 2016-03-02 2017-05-17 中铝广西国盛稀土开发有限公司 一种复合沉淀法制备大比表面积氧化钕的方法
CN113718423B (zh) * 2021-09-08 2023-03-14 孚韦(内蒙古)安全装备有限公司 一种多孔掺杂稀土抑菌熔喷材料及制备方法

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1011988A (fr) * 1949-05-11 1952-07-02 Centre Nat Rech Scient Procédé de fractionnement des terres rares et particulièrement des terres rares actinifères
FR1232937A (fr) * 1957-09-02 1960-10-12 Perfectionnements apportés aux procédés de séparation des terres rares par précipitation fractionnée de leurs hydroxydes ou sels basiques
GB1425934A (en) * 1972-03-15 1976-02-25 Ici Ltd Alumina
US3914389A (en) * 1974-03-22 1975-10-21 American Cyanamid Co Lanthanum oxidation catalyst and method for utilizing the same
SU833525A1 (ru) * 1979-07-27 1981-05-30 Институт Общей И Неорганической Химии Анбелорусской Ccp Способ получени двуокиси цери
JPS5755651A (en) * 1980-09-21 1982-04-02 Yoshikazu Takahashi Connecting apparatus of telephone set with interphon
KR920000149B1 (ko) * 1983-07-01 1992-01-09 가부시기가이샤 히다찌세이사꾸쇼 내열성촉매 및 그 사용방법
JPS6065706A (ja) * 1983-09-20 1985-04-15 Toshiba Corp 非晶質酸化物の製造方法
FR2559755A1 (fr) * 1984-02-20 1985-08-23 Rhone Poulenc Spec Chim Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention
FR2559754A1 (fr) * 1984-02-20 1985-08-23 Rhone Poulenc Spec Chim Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention
US4605631A (en) * 1984-03-19 1986-08-12 Norton Company Advanced preparation of ceramic powders
US4752459A (en) * 1985-04-09 1988-06-21 Perrer Duncan S Preparation of porous bodies
FR2583737B1 (fr) * 1985-06-20 1987-08-14 Rhone Poulenc Spec Chim Nouveau compose de cerium iv et son procede de preparation.
FR2584388B1 (fr) * 1985-07-03 1991-02-15 Rhone Poulenc Spec Chim Composition a base d'oxyde cerique, sa preparation et ses utilisations
FR2584700B1 (fr) * 1985-07-11 1990-05-11 Rhone Poulenc Spec Chim Procede de preparation de precurseurs d'oxydes de terres rares et produits obtenus
FR2584701B1 (fr) * 1985-07-11 1990-08-31 Rhone Poulenc Spec Chim Nouveau compose du neodyme et son procede de preparation
US4714694A (en) * 1986-06-30 1987-12-22 Engelhard Corporation Aluminum-stabilized ceria catalyst compositions, and methods of making the same
US4755492A (en) * 1986-10-06 1988-07-05 General Electric Company Yttrium oxide ceramic body
FR2608583B1 (fr) * 1986-12-19 1990-12-07 Rhone Poulenc Chimie Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention
FR2608458B1 (fr) * 1986-12-23 1989-03-10 Rhone Poulenc Chimie Catalyseur a base d'oxyde de cerium et procede pour le traitement de gaz industriels contenant des composes du soufre
US4761390A (en) * 1987-02-02 1988-08-02 Raytheon Company Optically transparent yttrium oxide
US4868150A (en) * 1987-12-22 1989-09-19 Rhone-Poulenc Inc. Catalyst support material containing lanthanides
JP3110892B2 (ja) * 1992-09-16 2000-11-20 本田技研工業株式会社 車両用操舵装置
JPH0764559A (ja) * 1993-08-23 1995-03-10 Kawai Musical Instr Mfg Co Ltd 電子楽器の自動伴奏装置

Also Published As

Publication number Publication date
CN1018819B (zh) 1992-10-28
CN1031213A (zh) 1989-02-22
BR8802950A (pt) 1989-01-03
KR910004834B1 (ko) 1991-07-13
EP0297937B1 (fr) 1992-09-23
EP0297937A1 (fr) 1989-01-04
JPS6452609A (en) 1989-02-28
GR3006482T3 (es) 1993-06-21
US5496528A (en) 1996-03-05
ATE80864T1 (de) 1992-10-15
FR2616769A1 (fr) 1988-12-23
DE3874821T2 (de) 1993-02-25
FR2616769B1 (fr) 1990-11-30
DE3874821D1 (de) 1992-10-29
KR890000351A (ko) 1989-03-14

Similar Documents

Publication Publication Date Title
ES2045162T3 (es) Procedimiento de obtencion de un oxido de tierra rara trivalente.
GR3004214T3 (es)
DE69006620D1 (de) Dichtung zur Abschirmung von elektromagnetischen Interferenzen.
ES8500969A1 (es) Un procedimiento para preparar polieter-alcoholes y polieter polioles.
DE3880703D1 (de) Verfahren zur stabilisationsbehandlung von ferromagnetischen metallpulvern.
DE69009670D1 (de) Gerät zur Abschirmung von elektromagnetischen Interferenzen.
DE69129119D1 (en) A process for the production of polyalkylenoxide
ATE68775T1 (de) Verfahren zur gewinnung von cerium(iv)oxid und cerium(iv)oxid mit neuen morphologischen charakteristiken.
GB2235188B (en) Method for reducing the amount of anionic metal-ligand complex in a solution
NO892709L (no) Sjeldent jordmetall-trifluorid og fremgangsmaate for dets fremstilling.
AU6233390A (en) Process for the treatment of ores containing rare earths
DE59103913D1 (de) Vorrichtung zum herstellen von metallmischoxidschichten.
KR0148212B1 (en) Phenylalkan (en)oic acids
DE69000294D1 (de) Verfahren fuer die aufbereitung von schlammhaltigem wasser.
MY117934A (en) Process for the preparation of n-methyl-3-(1-methyl-4- piperidinyl)-1h-indole-5-ethanesulphonamide
GB8922359D0 (en) Process for the preparation of catalysts
HUT72030A (en) Sinthesis of n-acetil neuraminic acid derivates
GB9013845D0 (en) Process
AU591687B2 (en) Rare-earth oxide precursors
DE3664929D1 (en) Process for treating rare-earth ores
BR9104904A (pt) Processo de fabricacao de um oxalato duplo de terras raras e de amonio,processo de fabricacao de oxido de terras raras e oxido de terras raras
GR3020214T3 (en) A method for purifying iron oxide
ZA906487B (en) Process for the treatment of ores containing rare earths
ES8700643A1 (es) Un procedimiento para producir cal viva con tiempo de hidratacion prolongado.
IT8919531A0 (it) Apparecchiatura perfezionata per formare automaticamente avvolgimenti di bobine estremamente allungate, specialmente per magneti dipoli o quadripoli.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 297937

Country of ref document: ES