KR870009041A - 희토류 원소의 분리방법 - Google Patents

희토류 원소의 분리방법 Download PDF

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KR870009041A
KR870009041A KR870002512A KR870002512A KR870009041A KR 870009041 A KR870009041 A KR 870009041A KR 870002512 A KR870002512 A KR 870002512A KR 870002512 A KR870002512 A KR 870002512A KR 870009041 A KR870009041 A KR 870009041A
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rare earth
earth elements
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solution
fractional
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KR930001132B1 (ko
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알랭르브끄
쟝-뤽르로렐
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롱 쁠랑 쉬미
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B59/00—Obtaining rare earth metals
    • 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
    • C01F17/10—Preparation or treatment, e.g. separation or purification
    • C01F17/17—Preparation or treatment, e.g. separation or purification involving a liquid-liquid extraction
    • 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
    • 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
    • C01F17/276—Nitrates
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/28—Amines
    • C22B3/282—Aliphatic amines
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/28—Amines
    • C22B3/288—Quaternary ammonium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/306—Ketones or aldehydes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/32—Carboxylic acids
    • C22B3/324—Naphthenic acids
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/32—Carboxylic acids
    • C22B3/326—Ramified chain carboxylic acids or derivatives thereof, e.g. "versatic" acids
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    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
    • C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
    • C22B3/3846—Phosphoric acid, e.g. (O)P(OH)3
    • Y—GENERAL 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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    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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  • Geochemistry & Mineralogy (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Extraction Or Liquid Replacement (AREA)
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  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

내용 없음

Description

회토류 원소의 분리방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
본 도면은 본 발명의 방법을 수행하기 위한 장치의 한 가지 태양을 도시한 것이다.

Claims (18)

  1. (i) 바스트네사이트의 회화를 실시하고,
    (ii) 회화된 바스트네사이트를 질산용액으로 신중하게 분별 용해하여 불용성잔류물의 형태로 존재하다가 추후 분리되는 세륨과 미량의 토륨을 제외한 네오디뮴 및 3가의 회토류원소들을 분리하고,
    (iii) 상기 단계에서 회수된 회토류원소들의 질산염의 수용액으로 이루어진 수상과, 수불용성 추출제를 함유하는 유기상간에 액체-액체추출을 수행하여 네오디뮴 또는 디디뮴을 분리 및 정제하고, 이어서 유기상중의 네오디뮴 또는 디디뮴을 회수함을 특징으로 하여, 바스트네사이트중에 함유된 회토류원소들로부터 네오디뮴 또는 디디뮴을 분리하는 방법.
  2. 제 1항에 있어서, 바스트네사이트가 회토류원소들의 산화물로 표현된 10중량% 이상의 회토류원소들을 함유함을 특징으로 하는 방법.
  3. 제 1항에 있어서, 바스트네사이트를 농축시켜 회토류원소들의 산화물로 표현된 40내지 75중량%의 회토류원소들을 함유시킴을 특징으로 하는 방법.
  4. 제 1 내지 3항 중 어느 한 항에 있어서, 회화의 온도가 400℃ 이상임을 특징으로 하는 방법.
  5. 제 4항에 있어서, 회화의 온도가 500 내지 800℃내의 범위임을 특징으로 하는 방법.
  6. 제 4 또는 5항에 있어서, 회화의 지속시간이 30분 내지 3시간내의 범위임을 특징으로 하는 방법.
  7. 제 1 내지 6항 중 어느 한 항에 있어서, 신중한 분별용해를 1 내지 14N농도의 질산용액으로 실시함을 특징으로 하는 방법.
  8. 제 7항에 있어서, 신중한 분별용해를 3 내지 9N농도의 질산용액으로 실시함을 특징으로 하는 방법.
  9. 제 1 내지 8항 중 어느 한 항에 있어서, 사용되는 질산의 양이 3가의 회토류원소들의 화학량론적 양 내지 화학량론적 양의 50%과량임을 특징으로 하는 방법.
  10. 제 7 내지 9항 중 어느 한 항에 있어서, 분별용해를 20 내지 90℃내에서 실시함을 특징으로 하는 방법.
  11. 제 10항에 있어서, 분별용해용액중에 체류하는 시간이 30분 내지 2시간임을 특징으로 하는 방법.
  12. 제 1 내지 11항 중 어느 한 항에 있어서, 분별용해 처리를 60℃에서 1시간의 체류시간동안 실시함을 특징으로 하는 방법.
  13. 제 1 내지 12항 중 어느 한 항에 있어서, 분별용해용액으로부터 불용성잔류물을 분리함을 특징으로 하는 방법.
  14. 제 1 내지 13항 중 어느 한 항에 있어서, 분별용해용액이 바스트네사이트중에 처음부터 존재하는 10%미만의 세륨과 90% 이상의 네오디뮴을 포함하는 3가의 회토류원소들을 함유함을 특징으로 하는 방법.
  15. 제 14항에 있어서, 회토류원소들의 산화물로서 표현되는 회토류원소들의 농도가 150 내지 500g/l의 범위 내임을 특징으로 하는 방법.
  16. 제 1 내지 15항 중 어느 한 항에 있어서, pH가 2 내지 4의 범위 내로 될 때까지 회토류원소들의 질산염의 용액에 염기를 가하여 사전중화를 수행하여, 고형의 잔류물중의 불로세륨 및 미량의 토륨이 제거분리 되도록 함을 특징으로 하는 방법.
  17. 제 1항에 있어서, 추출제가 용매화성의 추출제임을 특징으로 하는 방법.
  18. 제 17항에 있어서, 추출제가 트리부틸포스페이트임을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870002512A 1986-03-19 1987-03-19 바스트네사이트중에 함유된 희토류 원소들로부터 네오디뮴 또는 디디뮴을 분리하는 방법 KR930001132B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR8603889A FR2600081A1 (fr) 1986-03-19 1986-03-19 Procede de separation de terres rares
FR8603889 1986-03-19
FR3889/86 1986-03-19

Publications (2)

Publication Number Publication Date
KR870009041A true KR870009041A (ko) 1987-10-22
KR930001132B1 KR930001132B1 (ko) 1993-02-18

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Application Number Title Priority Date Filing Date
KR1019870002512A KR930001132B1 (ko) 1986-03-19 1987-03-19 바스트네사이트중에 함유된 희토류 원소들로부터 네오디뮴 또는 디디뮴을 분리하는 방법

Country Status (10)

Country Link
US (1) US5338520A (ko)
EP (1) EP0238402B1 (ko)
JP (1) JPH0662299B2 (ko)
KR (1) KR930001132B1 (ko)
AT (1) ATE53239T1 (ko)
AU (1) AU600705B2 (ko)
BR (1) BR8701213A (ko)
CA (1) CA1323200C (ko)
DE (1) DE3762978D1 (ko)
FR (1) FR2600081A1 (ko)

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RU2613246C1 (ru) * 2016-06-09 2017-03-15 Акционерное общество "Научно-исследовательский, проектный и конструкторский институт горного дела и металлургии цветных металлов" (АО "Гипроцветмет") Способ извлечения скандия из продуктивных растворов
RU2647398C2 (ru) * 2016-08-04 2018-03-15 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Получение скандийсодержащего концентрата и последующее извлечение из него оксида скандия повышенной чистоты
RU2630183C1 (ru) * 2016-11-11 2017-09-05 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" Способ извлечения скандия из красных шламов
CN107099681B (zh) * 2017-05-16 2018-07-10 广东富远稀土新材料股份有限公司 一种萃取分离钇的方法
RU2684663C1 (ru) * 2018-05-07 2019-04-11 Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" Способ получения концентрата скандия из скандийсодержащего раствора
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ATE53239T1 (de) 1990-06-15
DE3762978D1 (de) 1990-07-05
AU600705B2 (en) 1990-08-23
JPH0662299B2 (ja) 1994-08-17
EP0238402B1 (fr) 1990-05-30
AU7019487A (en) 1987-09-24
KR930001132B1 (ko) 1993-02-18
CA1323200C (fr) 1993-10-19
FR2600081A1 (fr) 1987-12-18
JPS62275020A (ja) 1987-11-30
EP0238402A1 (fr) 1987-09-23
BR8701213A (pt) 1987-12-29
US5338520A (en) 1994-08-16

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