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BR9101788A - Processo de fabricacao de um oxalato duplo de terras raras e de amonio,oxalato duplo de amonio e de terra rara e oxido de terras raras - Google Patents

Processo de fabricacao de um oxalato duplo de terras raras e de amonio,oxalato duplo de amonio e de terra rara e oxido de terras raras

Info

Publication number
BR9101788A
BR9101788A BR919101788A BR9101788A BR9101788A BR 9101788 A BR9101788 A BR 9101788A BR 919101788 A BR919101788 A BR 919101788A BR 9101788 A BR9101788 A BR 9101788A BR 9101788 A BR9101788 A BR 9101788A
Authority
BR
Brazil
Prior art keywords
rare
oxalate
ammonium
double
land
Prior art date
Application number
BR919101788A
Other languages
English (en)
Inventor
Bernard-Antoine Dissaux
Jean-Luc Le Loarer
Bernard Pacaud
Michel Ries
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
Application filed by Rhone Poulenc Chimie filed Critical Rhone Poulenc Chimie
Publication of BR9101788A publication Critical patent/BR9101788A/pt

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/41—Preparation of salts of carboxylic acids
    • C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
    • 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
    • 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
    • C01F17/229—Lanthanum 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
    • C01F17/241—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion containing two or more rare earth metals, e.g. NdPrO3 or LaNdPrO3
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • 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
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • 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
    • C01P2006/21—Attrition-index or crushing strength of granulates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Television Signal Processing For Recording (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
BR919101788A 1990-05-04 1991-05-03 Processo de fabricacao de um oxalato duplo de terras raras e de amonio,oxalato duplo de amonio e de terra rara e oxido de terras raras BR9101788A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9005654A FR2661674B1 (fr) 1990-05-04 1990-05-04 Procede de fabrication d'oxalates doubles de terres rares, et d'ammonium et leurs utilisations pour la fabrication d'oxydes de terres rares, oxalates doubles et oxydes obtenus.

Publications (1)

Publication Number Publication Date
BR9101788A true BR9101788A (pt) 1991-12-17

Family

ID=9396346

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919101788A BR9101788A (pt) 1990-05-04 1991-05-03 Processo de fabricacao de um oxalato duplo de terras raras e de amonio,oxalato duplo de amonio e de terra rara e oxido de terras raras

Country Status (13)

Country Link
US (1) US5518703A (pt)
EP (1) EP0455529B1 (pt)
KR (1) KR0174278B1 (pt)
CN (1) CN1031703C (pt)
AT (1) ATE120176T1 (pt)
BR (1) BR9101788A (pt)
CA (1) CA2041755C (pt)
DE (1) DE69108283T2 (pt)
FI (1) FI912159A7 (pt)
FR (1) FR2661674B1 (pt)
IE (1) IE911499A1 (pt)
NO (1) NO911727L (pt)
ZA (1) ZA912261B (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1022767C (zh) * 1990-07-18 1993-11-17 北京有色金属研究总院 含稀土的硬质合金的制造方法
JPH0710730B2 (ja) * 1990-11-22 1995-02-08 信越化学工業株式会社 希土類元素酸化物の製造方法
JPH07309623A (ja) * 1994-05-18 1995-11-28 Shin Etsu Chem Co Ltd 角状希土類元素蓚酸アンモニウム複塩および角状希土類元素酸化物の製造方法
FR2739373B1 (fr) * 1995-09-29 1997-10-31 Rhone Poulenc Fibres Procede de preparation de catalyseurs d'ammoxydation
CN1043216C (zh) * 1996-04-11 1999-05-05 上海跃龙有色金属有限公司 大比表面积稀土氧化物及其制备方法
US5951958A (en) * 1996-07-10 1999-09-14 Shin-Etsu Chemical Co., Ltd. Method for the preparation of rare earth phosphate of low overstoichiometric phosphorous content
EP3180290B1 (en) 2014-08-15 2020-04-22 Rare Earth Salts Separation and Refining LLC Method for extraction and separation of rare earth elements
WO2018022129A1 (en) * 2016-07-27 2018-02-01 Iowa State University Research Foundation, Inc. Separating rare earth metal oxalates
CN106986760A (zh) * 2017-02-28 2017-07-28 上海大学 利用磁场制备大尺寸草酸稀土的方法
US11155897B2 (en) 2017-11-09 2021-10-26 University Of Kentucky Research Foundation Low-cost selective precipitation circuit for recovery of rare earth elements from acid leachate of coal waste
CN108408757B (zh) * 2018-03-15 2020-06-23 益阳鸿源稀土有限责任公司 一种高纯超细氧化钪粉末的制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1208565A (en) * 1966-10-10 1970-10-14 Johnson Matthey Co Ltd Improvements in and relating to phosphors
FI46249C (fi) * 1970-09-15 1973-02-12 Kemira Oy Menetelmä ceriumoksidin valkoisuuden parantamiseksi
JPS5395911A (en) * 1977-02-01 1978-08-22 Mitsubishi Chem Ind Ltd Preparation of fine rare earth oxalate powder
JPS5528905A (en) * 1978-08-18 1980-02-29 Mitsubishi Chem Ind Ltd Preparation of fine powder of ammonium yttrium oxalate
US4375453A (en) * 1981-12-28 1983-03-01 Allied Corporation Recovery of gadolinium and gallium oxides
JPS6360108A (ja) * 1986-08-29 1988-03-16 Sumitomo Metal Mining Co Ltd ガドリニウムの分離回収方法
JPH0627004B2 (ja) * 1987-05-26 1994-04-13 三菱マテリアル株式会社 １２面体の結晶形を有する酸化スカンジウムの製造方法

Also Published As

Publication number Publication date
FI912159L (fi) 1991-11-05
FI912159A7 (fi) 1991-11-05
DE69108283D1 (de) 1995-04-27
EP0455529A1 (fr) 1991-11-06
CA2041755C (fr) 1999-12-14
ATE120176T1 (de) 1995-04-15
CN1031703C (zh) 1996-05-01
IE911499A1 (en) 1991-11-06
FI912159A0 (fi) 1991-05-03
NO911727D0 (no) 1991-05-02
FR2661674A1 (fr) 1991-11-08
ZA912261B (en) 1992-01-29
FR2661674B1 (fr) 1994-04-08
DE69108283T2 (de) 1995-09-28
US5518703A (en) 1996-05-21
NO911727L (no) 1991-11-05
KR0174278B1 (ko) 1999-02-18
KR910019910A (ko) 1991-12-19
CN1056098A (zh) 1991-11-13
EP0455529B1 (fr) 1995-03-22
CA2041755A1 (fr) 1991-11-05

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Legal Events

Date Code Title Description
FD3 Appl. lapsed due to non-payment of renewal fee