ZA754750B - Production of hydrogen fluoride and calcium sulfate - Google Patents

Production of hydrogen fluoride and calcium sulfate

Info

Publication number
ZA754750B
ZA754750B ZA00754750A ZA754750A ZA754750B ZA 754750 B ZA754750 B ZA 754750B ZA 00754750 A ZA00754750 A ZA 00754750A ZA 754750 A ZA754750 A ZA 754750A ZA 754750 B ZA754750 B ZA 754750B
Authority
ZA
South Africa
Prior art keywords
production
calcium sulfate
hydrogen fluoride
fluoride
hydrogen
Prior art date
Application number
ZA00754750A
Other languages
English (en)
Inventor
B Spreckelmeyer
H Guth
W Schabacher
H Rohe
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 ZA754750B publication Critical patent/ZA754750B/xx

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)
ZA00754750A 1974-07-24 1975-07-23 Production of hydrogen fluoride and calcium sulfate ZA754750B (en)

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 (1)

Publication Number Publication Date
ZA754750B true ZA754750B (en) 1976-06-30

Family

ID=5921344

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00754750A ZA754750B (en) 1974-07-24 1975-07-23 Production of hydrogen fluoride and calcium sulfate

Country Status (12)

Country Link
US (1) US4010245A (US07935154-20110503-C00006.png)
JP (1) JPS5135694A (US07935154-20110503-C00006.png)
AU (1) AU8328275A (US07935154-20110503-C00006.png)
BE (1) BE831585A (US07935154-20110503-C00006.png)
BR (1) BR7504721A (US07935154-20110503-C00006.png)
DE (1) DE2435512A1 (US07935154-20110503-C00006.png)
ES (1) ES439669A1 (US07935154-20110503-C00006.png)
FR (1) FR2279664A1 (US07935154-20110503-C00006.png)
GB (1) GB1521511A (US07935154-20110503-C00006.png)
IN (1) IN143502B (US07935154-20110503-C00006.png)
NL (1) NL7508761A (US07935154-20110503-C00006.png)
ZA (1) ZA754750B (US07935154-20110503-C00006.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH646401A5 (de) * 1981-04-28 1984-11-30 Buss Ag Verfahren und einrichtung zur herstellung von synthetischem anhydrit und reiner flusssaeure.
DE3372854D1 (en) * 1982-06-11 1987-09-10 Asahi Glass Co Ltd Process for producing hydrogen fluoride
JPS58217402A (ja) * 1982-06-11 1983-12-17 Asahi Glass Co Ltd 弗化水素の製造方法
EP0100783A1 (de) * 1982-08-13 1984-02-22 Heinz List Verfahren zur Durchführung von endothermen Prozessen
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
MX2009008086A (es) * 2007-02-02 2009-08-12 Solvay Fluor Gmbh Preparacion de fluoruro de hidrogeno a partir de fluoruro de calcio y acido sulfurico.
EP2268573A1 (en) * 2008-04-22 2011-01-05 Solvay Fluor GmbH Preparation of hydrogen fluoride from fluorspar or calcium fluoride containing waste material
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

Also Published As

Publication number Publication date
BE831585A (fr) 1976-01-22
ES439669A1 (es) 1977-03-16
FR2279664B1 (US07935154-20110503-C00006.png) 1979-05-11
DE2435512A1 (de) 1976-02-05
NL7508761A (nl) 1976-01-27
FR2279664A1 (fr) 1976-02-20
IN143502B (US07935154-20110503-C00006.png) 1977-12-10
GB1521511A (en) 1978-08-16
US4010245A (en) 1977-03-01
JPS5135694A (en) 1976-03-26
AU8328275A (en) 1977-01-27
BR7504721A (pt) 1976-07-06

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