WO2009028677A1 - 蛍石の精製方法 - Google Patents

蛍石の精製方法 Download PDF

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Publication number
WO2009028677A1
WO2009028677A1 PCT/JP2008/065568 JP2008065568W WO2009028677A1 WO 2009028677 A1 WO2009028677 A1 WO 2009028677A1 JP 2008065568 W JP2008065568 W JP 2008065568W WO 2009028677 A1 WO2009028677 A1 WO 2009028677A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluorite
smaller
raw material
purification method
caf2
Prior art date
Application number
PCT/JP2008/065568
Other languages
English (en)
French (fr)
Inventor
Toyohisa Fujita
Hiromitsu Takeyasu
Takuya Arase
Original Assignee
The University Of Tokyo
Asahi Glass Co., Ltd.
Daikin Industries, Ltd.
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 The University Of Tokyo, Asahi Glass Co., Ltd., Daikin Industries, Ltd. filed Critical The University Of Tokyo
Publication of WO2009028677A1 publication Critical patent/WO2009028677A1/ja

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
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/02—Froth-flotation processes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride
    • C01B7/192—Preparation from fluorspar
    • 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
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/20—Halides
    • C01F11/22—Fluorides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D2203/00—Specified materials treated by the flotation agents; specified applications
    • B03D2203/02—Ores
    • B03D2203/04—Non-sulfide ores
    • 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
    • C01P2006/80—Compositional purity

Abstract

　新規な蛍石の精製方法、特に蛍石中のヒ素含量を効果的に低減することができる精製方法を提供する。ＣａＦ２を含む原料蛍石を粉砕して平均粒径１０μｍ以下の蛍石超微粒子を得、該蛍石超微粒子を平均泡径１ｍｍ以下の泡による浮遊選鉱に付して、ＣａＦ２の純度が原料蛍石より高い精製蛍石を得る。
PCT/JP2008/065568 2007-08-31 2008-08-29 蛍石の精製方法 WO2009028677A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007226416A JP2009057250A (ja) 2007-08-31 2007-08-31 蛍石の精製方法
JP2007-226416 2007-08-31

Publications (1)

Publication Number Publication Date
WO2009028677A1 true WO2009028677A1 (ja) 2009-03-05

Family

ID=40387387

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/065568 WO2009028677A1 (ja) 2007-08-31 2008-08-29 蛍石の精製方法

Country Status (2)

Country Link
JP (1) JP2009057250A (ja)
WO (1) WO2009028677A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101712014B (zh) * 2009-12-08 2012-03-21 湖南省铸万有实业有限公司 多种类杂质单一型萤石矿选矿方法
CN106391320A (zh) * 2016-11-28 2017-02-15 北京矿冶研究总院 一种高钙型萤石的选矿方法
CN109399687A (zh) * 2018-12-10 2019-03-01 环境保护部南京环境科学研究所 一种利用强酸性含氟废水处理污泥制备氟化钙精矿的方法
CN114100842A (zh) * 2021-11-02 2022-03-01 湖南有色郴州氟化学有限公司 一种低品位萤石降碳降硅提质方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010110088A1 (ja) * 2009-03-25 2010-09-30 国立大学法人東京大学 蛍石の精製方法
CN107381613B (zh) * 2017-08-24 2019-01-04 江西理工大学 一种单相立方体萤石的合成方法
CN110743712A (zh) * 2019-09-11 2020-02-04 西安矿源有色冶金研究院有限公司 一种提高萤石精矿品位的方法
CN112517233A (zh) * 2020-12-21 2021-03-19 龙泉市砩矿有限责任公司 一种萤石加工生产线及其加工工艺

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5095198A (ja) * 1973-12-26 1975-07-29
JPS53125993A (en) * 1977-04-11 1978-11-02 Nippon Mining Co Ltd Method of treating sulfuric acid containing fluorine
JP2005132652A (ja) * 2003-10-29 2005-05-26 Morita Kagaku Kogyo Kk 回収フッ化カルシウムを用いたフッ化水素の製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5095198A (ja) * 1973-12-26 1975-07-29
JPS53125993A (en) * 1977-04-11 1978-11-02 Nippon Mining Co Ltd Method of treating sulfuric acid containing fluorine
JP2005132652A (ja) * 2003-10-29 2005-05-26 Morita Kagaku Kogyo Kk 回収フッ化カルシウムを用いたフッ化水素の製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
QIANG ZHOU ET AL.: "Acidized sodium silicate-an effective modifier in fluorite flotation", MINERALS ENGINEERING, vol. 5, no. 3-5, 13 February 1992 (1992-02-13), pages 435 - 444 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101712014B (zh) * 2009-12-08 2012-03-21 湖南省铸万有实业有限公司 多种类杂质单一型萤石矿选矿方法
CN106391320A (zh) * 2016-11-28 2017-02-15 北京矿冶研究总院 一种高钙型萤石的选矿方法
CN109399687A (zh) * 2018-12-10 2019-03-01 环境保护部南京环境科学研究所 一种利用强酸性含氟废水处理污泥制备氟化钙精矿的方法
CN114100842A (zh) * 2021-11-02 2022-03-01 湖南有色郴州氟化学有限公司 一种低品位萤石降碳降硅提质方法
CN114100842B (zh) * 2021-11-02 2023-10-17 湖南有色郴州氟化学有限公司 一种低品位萤石降碳降硅提质方法

Also Published As

Publication number Publication date
JP2009057250A (ja) 2009-03-19

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