FI912159A0 - Foerfarande foer framstaellning av dubbeloxalater av saellsynta jordartsmetaller och ammonium och anvaendning av dessa oxalater foer framstaellning av saellsynta jordartsmetalloxider, erhaollna dubbeloxalater och oxider. - Google Patents

Foerfarande foer framstaellning av dubbeloxalater av saellsynta jordartsmetaller och ammonium och anvaendning av dessa oxalater foer framstaellning av saellsynta jordartsmetalloxider, erhaollna dubbeloxalater och oxider.

Info

Publication number
FI912159A0
FI912159A0 FI912159A FI912159A FI912159A0 FI 912159 A0 FI912159 A0 FI 912159A0 FI 912159 A FI912159 A FI 912159A FI 912159 A FI912159 A FI 912159A FI 912159 A0 FI912159 A0 FI 912159A0
Authority
FI
Finland
Prior art keywords
saellsynta
och
foer framstaellning
ammonium
oxalater
Prior art date
Application number
FI912159A
Other languages
English (en)
Other versions
FI912159A (fi
Inventor
Bernard-Antoine Dissaux
Loarer Jean-Luc Le
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 FI912159A0 publication Critical patent/FI912159A0/fi
Publication of FI912159A publication Critical patent/FI912159A/fi

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)
FI912159A 1990-05-04 1991-05-03 Foerfarande foer framstaellning av dubbeloxalater av saellsynta jordartsmetaller och ammonium och anvaendning av dessa oxalater foer framstaellning av saellsynta jordartsmetalloxider, erhaollna dubbeloxalater och oxider. FI912159A (fi)

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 (2)

Publication Number Publication Date
FI912159A0 true FI912159A0 (fi) 1991-05-03
FI912159A FI912159A (fi) 1991-11-05

Family

ID=9396346

Family Applications (1)

Application Number Title Priority Date Filing Date
FI912159A FI912159A (fi) 1990-05-04 1991-05-03 Foerfarande foer framstaellning av dubbeloxalater av saellsynta jordartsmetaller och ammonium och anvaendning av dessa oxalater foer framstaellning av saellsynta jordartsmetalloxider, erhaollna dubbeloxalater och oxider.

Country Status (13)

Country Link
US (1) US5518703A (fi)
EP (1) EP0455529B1 (fi)
KR (1) KR0174278B1 (fi)
CN (1) CN1031703C (fi)
AT (1) ATE120176T1 (fi)
BR (1) BR9101788A (fi)
CA (1) CA2041755C (fi)
DE (1) DE69108283T2 (fi)
FI (1) FI912159A (fi)
FR (1) FR2661674B1 (fi)
IE (1) IE911499A1 (fi)
NO (1) NO911727L (fi)
ZA (1) ZA912261B (fi)

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
PL3180290T3 (pl) 2014-08-15 2020-11-02 Rare Earth Salts Separation And Refining Llc Sposób wydzielania i rozdzielania pierwiastków ziem rzadkich
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
EP0455529B1 (fr) 1995-03-22
ATE120176T1 (de) 1995-04-15
CN1031703C (zh) 1996-05-01
EP0455529A1 (fr) 1991-11-06
KR910019910A (ko) 1991-12-19
FR2661674A1 (fr) 1991-11-08
CA2041755A1 (fr) 1991-11-05
ZA912261B (en) 1992-01-29
DE69108283T2 (de) 1995-09-28
NO911727L (no) 1991-11-05
KR0174278B1 (ko) 1999-02-18
CN1056098A (zh) 1991-11-13
US5518703A (en) 1996-05-21
CA2041755C (fr) 1999-12-14
IE911499A1 (en) 1991-11-06
BR9101788A (pt) 1991-12-17
DE69108283D1 (de) 1995-04-27
FI912159A (fi) 1991-11-05
FR2661674B1 (fr) 1994-04-08
NO911727D0 (no) 1991-05-02

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