ZA885053B - A process for the production of hydrofluoric acid and anhydrite - Google Patents

A process for the production of hydrofluoric acid and anhydrite

Info

Publication number
ZA885053B
ZA885053B ZA885053A ZA885053A ZA885053B ZA 885053 B ZA885053 B ZA 885053B ZA 885053 A ZA885053 A ZA 885053A ZA 885053 A ZA885053 A ZA 885053A ZA 885053 B ZA885053 B ZA 885053B
Authority
ZA
South Africa
Prior art keywords
anhydrite
production
hydrofluoric acid
hydrofluoric
acid
Prior art date
Application number
ZA885053A
Inventor
Gustaf Kaule
Kaule Gustaf
Hans Rinkes
Rinkes Hans
Johann-Peter Stolle
Stolle Johann-Peter
Hans-Joachim Beck
Beck Hans-Joachim
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6331519&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA885053(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of ZA885053B publication Critical patent/ZA885053B/en

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)
  • Air Supply (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
ZA885053A 1987-07-14 1988-07-13 A process for the production of hydrofluoric acid and anhydrite ZA885053B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873723197 DE3723197A1 (en) 1987-07-14 1987-07-14 METHOD FOR PRODUCING HYDROCHLORIC ACID AND ANHYDRITE

Publications (1)

Publication Number Publication Date
ZA885053B true ZA885053B (en) 1989-04-26

Family

ID=6331519

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA885053A ZA885053B (en) 1987-07-14 1988-07-13 A process for the production of hydrofluoric acid and anhydrite

Country Status (7)

Country Link
EP (1) EP0299306B1 (en)
JP (1) JPS6437403A (en)
BR (1) BR8803528A (en)
DE (2) DE3723197A1 (en)
ES (1) ES2029496T3 (en)
GR (1) GR3004306T3 (en)
ZA (1) ZA885053B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10031562A1 (en) * 2000-06-28 2002-01-10 Bayer Ag Process for the production of hydrogen fluoride in a rotary kiln
JP4599673B2 (en) * 2000-07-10 2010-12-15 ダイキン工業株式会社 Hydrogen fluoride production apparatus and production method
CN101786607B (en) * 2010-02-11 2011-08-17 浙江中宁硅业有限公司 Method for preparing hydrogen fluoride from byproduct generated in the process of producing silane

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1316980A (en) * 1961-04-27 1963-02-01 Allied Chem Process for manufacturing hydrofluoric acid by the action of sulfuric acid on fluorspar
US3719747A (en) * 1971-03-04 1973-03-06 Stauffer Chemical Co Hydrothermal process for making hydrogen fluoride
CH617641A5 (en) * 1975-04-18 1980-06-13 List Heinz Process for preparing hydrofluoric acid
AU513116B2 (en) * 1978-11-24 1980-11-13 Thagard, George F. Jr. Fluid-wall reactors

Also Published As

Publication number Publication date
EP0299306A3 (en) 1989-11-23
GR3004306T3 (en) 1993-03-31
BR8803528A (en) 1989-02-08
EP0299306B1 (en) 1992-03-04
JPS6437403A (en) 1989-02-08
ES2029496T3 (en) 1992-08-16
DE3723197A1 (en) 1989-01-26
DE3868737D1 (en) 1992-04-09
EP0299306A2 (en) 1989-01-18
DE3723197C2 (en) 1989-05-03

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