KR101450658B1 - 용융 환원법을 이용한 희토류 농축 방법 - Google Patents

용융 환원법을 이용한 희토류 농축 방법 Download PDF

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Publication number
KR101450658B1
KR101450658B1 KR1020120131744A KR20120131744A KR101450658B1 KR 101450658 B1 KR101450658 B1 KR 101450658B1 KR 1020120131744 A KR1020120131744 A KR 1020120131744A KR 20120131744 A KR20120131744 A KR 20120131744A KR 101450658 B1 KR101450658 B1 KR 101450658B1
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KR
South Korea
Prior art keywords
rare earth
melt
iron
slag
ore
Prior art date
Application number
KR1020120131744A
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English (en)
Korean (ko)
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KR20140064426A (ko
Inventor
남철우
김성돈
최영윤
이후인
신선명
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한국지질자원연구원
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Application filed by 한국지질자원연구원 filed Critical 한국지질자원연구원
Priority to KR1020120131744A priority Critical patent/KR101450658B1/ko
Priority to CN201310572168.5A priority patent/CN103834820A/zh
Publication of KR20140064426A publication Critical patent/KR20140064426A/ko
Application granted granted Critical
Publication of KR101450658B1 publication Critical patent/KR101450658B1/ko

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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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/005—Preliminary treatment of scrap
    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
KR1020120131744A 2012-11-20 2012-11-20 용융 환원법을 이용한 희토류 농축 방법 KR101450658B1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020120131744A KR101450658B1 (ko) 2012-11-20 2012-11-20 용융 환원법을 이용한 희토류 농축 방법
CN201310572168.5A CN103834820A (zh) 2012-11-20 2013-11-13 利用熔融还原法的稀土类金属浓缩方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120131744A KR101450658B1 (ko) 2012-11-20 2012-11-20 용융 환원법을 이용한 희토류 농축 방법

Publications (2)

Publication Number Publication Date
KR20140064426A KR20140064426A (ko) 2014-05-28
KR101450658B1 true KR101450658B1 (ko) 2014-10-21

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Application Number Title Priority Date Filing Date
KR1020120131744A KR101450658B1 (ko) 2012-11-20 2012-11-20 용융 환원법을 이용한 희토류 농축 방법

Country Status (2)

Country Link
KR (1) KR101450658B1 (zh)
CN (1) CN103834820A (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10894998B2 (en) * 2016-04-26 2021-01-19 Mintek Processing of iron-rich rare earth bearing ores
IT201600101809A1 (it) * 2016-10-11 2018-04-11 Ecotec Gestione Impianti S R L Procedimento per la preparazione di un concentrato contenente metalli, metalli rari e terre rare da residui generati nella filiera di produzione dell’allumina tramite il processo Bayer, o da materiali di composizione chimica similare, e affinamento del concentrato così ottenibile.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07300331A (ja) * 1994-05-02 1995-11-14 Taiheiyo Kinzoku Kk 金属含有酸化物から有価金属及び無機質繊維を同時に製造する方法
KR20070043316A (ko) * 2005-10-21 2007-04-25 한국지질자원연구원 망간단괴 용융환원 제련시 금속계 폐자원 처리방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1003865B (zh) * 1985-05-21 1989-04-12 包钢稀土一厂 稀土精矿球团(或块)矿热炉制备稀土精矿渣和磷铁
CN1511966B (zh) * 2002-12-30 2011-06-08 北京有色金属研究总院 一种高含铁稀土原矿的选矿工艺
CN101363079A (zh) * 2007-08-10 2009-02-11 有研稀土新材料股份有限公司 一种富铁独居石稀土矿的冶炼方法
CN101787450B (zh) * 2010-01-13 2011-12-14 广州有色金属研究院 一种从稀有金属矿石中富集钽铌、稀土元素、铁和磷的方法
CN102181643A (zh) * 2011-03-29 2011-09-14 内蒙古科技大学 从稀选尾矿中提取稀土的方法
CN102337398B (zh) * 2011-09-21 2013-06-19 沈阳化工大学 稀土尾矿稀土-铁资源分离提取技术

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07300331A (ja) * 1994-05-02 1995-11-14 Taiheiyo Kinzoku Kk 金属含有酸化物から有価金属及び無機質繊維を同時に製造する方法
KR20070043316A (ko) * 2005-10-21 2007-04-25 한국지질자원연구원 망간단괴 용융환원 제련시 금속계 폐자원 처리방법

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Publication number Publication date
KR20140064426A (ko) 2014-05-28
CN103834820A (zh) 2014-06-04

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