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FR2279664A1 - Production de fluorure d'hydrogene et de sulfate de calcium - Google Patents

Production de fluorure d'hydrogene et de sulfate de calcium

Info

Publication number
FR2279664A1
FR2279664A1 FR7523204A FR7523204A FR2279664A1 FR 2279664 A1 FR2279664 A1 FR 2279664A1 FR 7523204 A FR7523204 A FR 7523204A FR 7523204 A FR7523204 A FR 7523204A FR 2279664 A1 FR2279664 A1 FR 2279664A1
Authority
FR
France
Prior art keywords
hydrogen fluoride
calcium sulphate
sulphate production
production
calcium
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7523204A
Other languages
English (en)
Other versions
FR2279664B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of FR2279664A1 publication Critical patent/FR2279664A1/fr
Application granted granted Critical
Publication of FR2279664B1 publication Critical patent/FR2279664B1/fr
Granted legal-status Critical Current

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
    • C01F11/46—Sulfates

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)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Treating Waste Gases (AREA)
FR7523204A 1974-07-24 1975-07-24 Production de fluorure d'hydrogene et de sulfate de calcium Granted FR2279664A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2435512A DE2435512A1 (de) 1974-07-24 1974-07-24 Verfahren zur herstellung von fluorwasserstoff und calciumsulfat

Publications (2)

Publication Number Publication Date
FR2279664A1 true FR2279664A1 (fr) 1976-02-20
FR2279664B1 FR2279664B1 (fr) 1979-05-11

Family

ID=5921344

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7523204A Granted FR2279664A1 (fr) 1974-07-24 1975-07-24 Production de fluorure d'hydrogene et de sulfate de calcium

Country Status (12)

Country Link
US (1) US4010245A (fr)
JP (1) JPS5135694A (fr)
AU (1) AU8328275A (fr)
BE (1) BE831585A (fr)
BR (1) BR7504721A (fr)
DE (1) DE2435512A1 (fr)
ES (1) ES439669A1 (fr)
FR (1) FR2279664A1 (fr)
GB (1) GB1521511A (fr)
IN (1) IN143502B (fr)
NL (1) NL7508761A (fr)
ZA (1) ZA754750B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982003848A1 (fr) * 1981-04-28 1982-11-11 Boese Dieter Procede et dispositif pour la fabrication de sulfate de calcium anhydre synthetique et d'acide fluorhydrique pur

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58217402A (ja) * 1982-06-11 1983-12-17 Asahi Glass Co Ltd 弗化水素の製造方法
US4491571A (en) * 1982-06-11 1985-01-01 Asahi Glass Company Ltd. Process for producing hydrogen fluoride
EP0100783A1 (fr) * 1982-08-13 1984-02-22 Heinz List Méthode de l'exécution des procédés endothermiques
FR2564449B1 (fr) * 1984-05-18 1988-06-03 Atochem Procede de fabrication d'acide fluorhydrique par reaction de l'acide sulfurique sur le spath fluor dans un four tournant
DE3913822A1 (de) * 1989-04-26 1990-10-31 Vaw Ver Aluminium Werke Ag Verfahren zur herstellung chloridarmer gipsprodukte
DE19823879C1 (de) * 1998-05-28 1999-08-19 Solvay Fluor & Derivate Flußmittelrecycling
DE10031562A1 (de) 2000-06-28 2002-01-10 Bayer Ag Verfahren zur Herstellung von Fluorwasserstoff in einem Drehrohrofen
CN101600649A (zh) * 2007-02-02 2009-12-09 苏威氟有限公司 由氟化钙和硫酸制备氟化氢
KR20110008251A (ko) * 2008-04-22 2011-01-26 솔베이 플루오르 게엠베하 형석 또는 불화칼슘-함유 폐물질로부터의 불화수소 제조
JP5428594B2 (ja) * 2009-07-06 2014-02-26 ダイキン工業株式会社 フッ化水素の製造方法
CN108609586B (zh) * 2018-08-08 2021-11-02 宣城亨泰电子化学材料有限公司 一种试剂级氢氟酸制作装置
CN112062091A (zh) * 2020-09-18 2020-12-11 宣城亨泰电子化学材料有限公司 一种无水氟化氢生产设备及其生产工艺
CN112142009A (zh) * 2020-09-22 2020-12-29 宜章弘源化工有限责任公司 无水氟化氢生产方法及其设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR85022E (fr) * 1963-01-30 1965-05-28 Electrochimie Soc Perfectionnements aux procédés d'obtention d'acide fluorhydrique
US3607121A (en) * 1969-12-19 1971-09-21 Allied Chem Rotary furnace having recycle provision
BE786915A (fr) * 1971-07-29 1973-01-29 Bayer Ag Production d'acide fluorhydrique et de sulfates metalliques
US3718736A (en) * 1971-09-20 1973-02-27 Allied Chem Process for the manufacture of hydrogen fluoride

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982003848A1 (fr) * 1981-04-28 1982-11-11 Boese Dieter Procede et dispositif pour la fabrication de sulfate de calcium anhydre synthetique et d'acide fluorhydrique pur
US4460551A (en) * 1981-04-28 1984-07-17 Buss Ag Process and device for manufacturing synthetic anhydrous calcium sulphate and pure hydrofluoric acid

Also Published As

Publication number Publication date
ZA754750B (en) 1976-06-30
AU8328275A (en) 1977-01-27
NL7508761A (nl) 1976-01-27
BR7504721A (pt) 1976-07-06
GB1521511A (en) 1978-08-16
FR2279664B1 (fr) 1979-05-11
BE831585A (fr) 1976-01-22
US4010245A (en) 1977-03-01
JPS5135694A (en) 1976-03-26
ES439669A1 (es) 1977-03-16
DE2435512A1 (de) 1976-02-05
IN143502B (fr) 1977-12-10

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Legal Events

Date Code Title Description
ST Notification of lapse