ATE268311T1 - Wiederverwertung von feinen calcium fluorid pulvern - Google Patents

Wiederverwertung von feinen calcium fluorid pulvern

Info

Publication number
ATE268311T1
ATE268311T1 AT99958231T AT99958231T ATE268311T1 AT E268311 T1 ATE268311 T1 AT E268311T1 AT 99958231 T AT99958231 T AT 99958231T AT 99958231 T AT99958231 T AT 99958231T AT E268311 T1 ATE268311 T1 AT E268311T1
Authority
AT
Austria
Prior art keywords
calcium fluoride
stage
fluoride powder
fine calcium
recycling fine
Prior art date
Application number
AT99958231T
Other languages
English (en)
Inventor
Jean-Marc Biragnet
John-David Murphy
Henri Kouache
Original Assignee
Atofina
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 Atofina filed Critical Atofina
Application granted granted Critical
Publication of ATE268311T1 publication Critical patent/ATE268311T1/de

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Processing Of Solid Wastes (AREA)
  • Removal Of Specific Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
AT99958231T 1998-12-30 1999-12-02 Wiederverwertung von feinen calcium fluorid pulvern ATE268311T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9816625A FR2788053B1 (fr) 1998-12-30 1998-12-30 Procede de recyclage de poudre fine de fluorure de calcium
PCT/FR1999/002989 WO2000040510A1 (fr) 1998-12-30 1999-12-02 Procede de recyclage de poudre fine de fluorure de calcium

Publications (1)

Publication Number Publication Date
ATE268311T1 true ATE268311T1 (de) 2004-06-15

Family

ID=9534668

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99958231T ATE268311T1 (de) 1998-12-30 1999-12-02 Wiederverwertung von feinen calcium fluorid pulvern

Country Status (10)

Country Link
US (1) US6723139B1 (de)
EP (1) EP1149049B1 (de)
JP (1) JP2002534346A (de)
CN (1) CN1210206C (de)
AT (1) ATE268311T1 (de)
AU (1) AU1564400A (de)
DE (1) DE69917808T2 (de)
ES (1) ES2221465T3 (de)
FR (1) FR2788053B1 (de)
WO (1) WO2000040510A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120082610A1 (en) * 2010-10-02 2012-04-05 Channon Matthew J Fluorspar/Iodide process for reduction,purificatioin, and crystallization of silicon
EP2927202A1 (de) * 2014-04-04 2015-10-07 Paris Sciences et Lettres - Quartier Latin Transparente Metallfluoridkeramik
CN106277005B (zh) * 2016-08-27 2017-08-01 盛隆资源再生（无锡）有限公司 一种从氟化钙污泥资源中回收冰晶石、碳酸钙和硫酸钠的方法
CN110790295B (zh) * 2019-12-11 2022-05-10 合肥工业大学 一种由氟化钙污泥制备高纯氟化钙的方法
CN112850768A (zh) * 2021-02-05 2021-05-28 丁学锋 一种从氟化钙污泥资源中回收粉状氟化钙制品的方法
CN116692918A (zh) * 2023-07-26 2023-09-05 上海太洋科技有限公司 一种由氟化钙污泥回收制备氟化钙的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE155979C (de)
JPS5210893A (en) * 1975-07-16 1977-01-27 Daikin Ind Ltd Process for production of granular fluorite and hydrogen fluoride from the granular fluorite
JPS5217390A (en) * 1975-07-31 1977-02-09 Daikin Ind Ltd Continuous production process and apparatus of refined hydrogen fluori de
DD155979A1 (de) * 1980-03-28 1982-07-21 Dieter Hass Verfahren zur anreicherung von calciumfluorid in calcithaltigen fluoritflotationskonzentraten
JP3264677B2 (ja) * 1990-06-01 2002-03-11 旭硝子株式会社 フッ化水素の製造方法
EP0460524B1 (de) 1990-06-01 1994-08-10 Asahi Glass Company Ltd. Verfahren zur Herstellung von Fluorwasserstoffsäure

Also Published As

Publication number Publication date
CN1210206C (zh) 2005-07-13
CN1337921A (zh) 2002-02-27
DE69917808D1 (de) 2004-07-08
JP2002534346A (ja) 2002-10-15
FR2788053A1 (fr) 2000-07-07
WO2000040510A1 (fr) 2000-07-13
AU1564400A (en) 2000-07-24
EP1149049A1 (de) 2001-10-31
EP1149049B1 (de) 2004-06-02
US6723139B1 (en) 2004-04-20
ES2221465T3 (es) 2004-12-16
FR2788053B1 (fr) 2001-03-16
DE69917808T2 (de) 2005-06-09

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Legal Events

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