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ZA906488B - Process for the recovery of rare earth values in gypsums - Google Patents

Process for the recovery of rare earth values in gypsums

Info

Publication number
ZA906488B
ZA906488B ZA906488A ZA906488A ZA906488B ZA 906488 B ZA906488 B ZA 906488B ZA 906488 A ZA906488 A ZA 906488A ZA 906488 A ZA906488 A ZA 906488A ZA 906488 B ZA906488 B ZA 906488B
Authority
ZA
South Africa
Prior art keywords
gypsums
recovery
rare earth
earth values
values
Prior art date
Application number
ZA906488A
Other languages
English (en)
Inventor
Francinet Cailly
Cailly Francinet
Yves Mottot
Mottot Yves
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 ZA906488B publication Critical patent/ZA906488B/xx

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
    • C01F17/288—Sulfides
    • 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
    • C01F17/253—Halides
    • C01F17/265—Fluorides
    • 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
    • C01F17/282—Sulfates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
ZA906488A 1989-09-20 1990-08-16 Process for the recovery of rare earth values in gypsums ZA906488B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8912347A FR2652076B1 (fr) 1989-09-20 1989-09-20 Procede de recuperation des valeurs de terres rares dans les gypses.

Publications (1)

Publication Number Publication Date
ZA906488B true ZA906488B (en) 1991-09-25

Family

ID=9385693

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA906488A ZA906488B (en) 1989-09-20 1990-08-16 Process for the recovery of rare earth values in gypsums

Country Status (8)

Country Link
US (1) US5034201A (xx)
EP (1) EP0419318A1 (xx)
JP (1) JPH03170328A (xx)
AU (1) AU641682B2 (xx)
BR (1) BR9004677A (xx)
CA (1) CA2025675A1 (xx)
FR (1) FR2652076B1 (xx)
ZA (1) ZA906488B (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5030424A (en) * 1989-04-03 1991-07-09 Alcan International Limited Recovery of rare earth elements from Bayer process red mud
RU2148019C1 (ru) * 1998-11-23 2000-04-27 Институт химии и технологии редких элементов и минерального сырья им.И.В.Тананаева Кольского научного центра РАН Способ переработки фосфатного редкоземельного концентрата, выделенного из апатита
RU2258036C1 (ru) * 2004-06-09 2005-08-10 Открытое акционерное общество "СОДА" (ОАО "СОДА") Способ комплексной переработки фосфогипса
RU2337879C1 (ru) * 2007-06-06 2008-11-10 Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра Российской академии наук (ИХТРЭМС КНЦ РАН) Способ переработки фосфогипса, содержащего соединения фосфора и лантаноиды
WO2011126375A1 (en) * 2010-04-07 2011-10-13 Primus.Inter.Pares As Extraction of elements from carbonate-containing minerals
RU2484018C2 (ru) * 2010-07-16 2013-06-10 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" Способ переработки фосфатного редкоземельного концентрата, выделенного из апатита
US8216532B1 (en) 2011-06-17 2012-07-10 Vierheilig Albert A Methods of recovering rare earth elements
RU2487834C1 (ru) * 2011-12-27 2013-07-20 Общество С Ограниченной Ответственностью "Лаборатория Инновационных Технологий" Способ извлечения редкоземельных металлов из фосфогипса
RU2487083C1 (ru) * 2012-04-16 2013-07-10 Федеральное государственное бюджетное учреждение науки Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра Российской академии наук (ИХТРЭМС КНЦ РАН) Способ переработки фосфогипса
FI125550B (en) * 2013-11-22 2015-11-30 Teknologian Tutkimuskeskus Vtt Oy Method for recovering rare earth metals from waste sulphates
CN104357663B (zh) * 2014-11-10 2016-06-15 德阳三汇太阳能发电设备有限公司 一种磷石膏利用方法
FR3086672B1 (fr) * 2018-09-28 2020-11-13 Ocp Sa Procede de purification et de concentration des terres rares a partir du phosphogypse
FR3140379B1 (fr) * 2022-09-30 2024-09-13 Univ Mohamed Vi Polytechnique Procédé de récupération des terres rares et du sulfate de calcium contenus dans un phosphogypse
AU2024235025A1 (en) 2023-03-16 2025-09-18 Universite Mohammed VI Polytechnique Method for recovering rare earths and coproducts from phosphogypsum and phosphoric acid sludge
FR3163953A1 (fr) 2024-06-28 2026-01-02 Ocp Sa Procede d’extraction et de concentration des terres rares a partir du phosphogypse

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3647361A (en) * 1969-12-03 1972-03-07 Molybdenum Corp Two-stage countercurrent leaching process for the recovery of phosphates, yttrium and rare earth values
US4060586A (en) * 1976-06-15 1977-11-29 Pennzoil Company Recovery of fluorides from gypsum
JPS5395900A (en) * 1977-02-02 1978-08-22 Mitsubishi Chem Ind Ltd Production of fine rare earth elements carbonate powder
DE3021839A1 (de) * 1980-06-11 1981-12-24 Chemische Werke Hüls AG, 4370 Marl Verfahren zur verminderung der radioaktivitaet von aus phosphoriten hergestelltem calciumsulfat
US4424196A (en) * 1982-06-29 1984-01-03 United States Gypsum Company Phosphohemihydrate process for purification of gypsum
NZ205348A (en) * 1982-09-02 1985-07-12 Superfos As Converting gypsum into potassium or sodium sulphate by ion exchange
US4421731A (en) * 1982-09-29 1983-12-20 United States Gypsum Company Process for purifying phosphogypsum
DE3307315A1 (de) * 1983-03-02 1984-09-06 Krupp-Koppers Gmbh, 4300 Essen Verfahren zur reinigung von chemiegips
DE3431953A1 (de) * 1984-08-30 1986-03-06 Bison-Werke Bähre & Greten GmbH & Co KG, 3257 Springe Verfahren zum herstellen von formteilen aus gips, insbesondere platten
CA1227339A (en) * 1984-09-17 1987-09-29 Juraj Babjak Process for metal recovery by solvent extraction from caso.sub.4 containing sulfate solutions
FR2575936B1 (fr) * 1985-01-15 1987-02-13 Rhone Poulenc Spec Chim Procede de purification de solutions aqueuses de sels de terres rares par extraction liquide-liquide
NL8601846A (nl) * 1986-07-15 1988-02-01 Stamicarbon Werkwijze voor het verwijderen van zware metalen uit zure fosfaathoudende waterige media.

Also Published As

Publication number Publication date
EP0419318A1 (fr) 1991-03-27
BR9004677A (pt) 1991-09-10
JPH03170328A (ja) 1991-07-23
US5034201A (en) 1991-07-23
AU6265090A (en) 1991-03-28
FR2652076B1 (fr) 1992-03-20
FR2652076A1 (fr) 1991-03-22
AU641682B2 (en) 1993-09-30
CA2025675A1 (fr) 1991-03-21

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