ZA725225B - Production of hydrogen fluoride and metal sulfates - Google Patents

Production of hydrogen fluoride and metal sulfates

Info

Publication number
ZA725225B
ZA725225B ZA725225A ZA725225A ZA725225B ZA 725225 B ZA725225 B ZA 725225B ZA 725225 A ZA725225 A ZA 725225A ZA 725225 A ZA725225 A ZA 725225A ZA 725225 B ZA725225 B ZA 725225B
Authority
ZA
South Africa
Prior art keywords
production
hydrogen fluoride
metal sulfates
sulfates
metal
Prior art date
Application number
ZA725225A
Other languages
English (en)
Inventor
E Eipeltauer
H Lauss
B Speckelmeyer
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 ZA725225B publication Critical patent/ZA725225B/xx

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
    • 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

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)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Glass Compositions (AREA)
ZA725225A 1971-07-29 1972-07-28 Production of hydrogen fluoride and metal sulfates ZA725225B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2138015A DE2138015A1 (de) 1971-07-29 1971-07-29 Verfahren zur herstellung von fluorwasserstoff und metallsulfaten

Publications (1)

Publication Number Publication Date
ZA725225B true ZA725225B (en) 1973-04-25

Family

ID=5815218

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA725225A ZA725225B (en) 1971-07-29 1972-07-28 Production of hydrogen fluoride and metal sulfates

Country Status (12)

Country Link
US (1) US3825655A (de)
AU (1) AU460198B2 (de)
BE (1) BE786915A (de)
CA (1) CA974029A (de)
DD (1) DD97637A5 (de)
DE (1) DE2138015A1 (de)
ES (1) ES405293A1 (de)
FR (1) FR2147319A1 (de)
GB (1) GB1394133A (de)
IT (1) IT968284B (de)
NL (1) NL7210463A (de)
ZA (1) ZA725225B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2330728B2 (de) * 1973-06-16 1977-08-11 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung eines synthetischen anhydrits einheitlicher qualitaet und dessen verwendung
DE2435512A1 (de) * 1974-07-24 1976-02-05 Bayer Ag Verfahren zur herstellung von fluorwasserstoff und calciumsulfat
US4132765A (en) * 1975-06-26 1979-01-02 E. I. Du Pont De Nemours And Company Recovery of fluoride values
US4233281A (en) * 1978-06-09 1980-11-11 Occidental Chemical Company Recovery of hydrogen fluoride from metallic fluoride salts
JPS56500926A (de) * 1979-07-06 1981-07-09
US4402922A (en) * 1981-12-14 1983-09-06 United States Gypsum Company Process for rapid conversion of fluoroanhydrite to gypsum
US4491571A (en) * 1982-06-11 1985-01-01 Asahi Glass Company Ltd. Process for producing hydrogen fluoride
US4743271A (en) * 1983-02-17 1988-05-10 Williams Technologies, Inc. Process for producing a clean hydrocarbon fuel
US4695290A (en) * 1983-07-26 1987-09-22 Integrated Carbons Corporation Integrated coal cleaning process with mixed acid regeneration
US4477425A (en) * 1983-12-15 1984-10-16 Florida Progress Corporation Production of anhydrous hydrogen fluoride from low-grade metallic fluorides and sulfuric acid
US4753033A (en) * 1985-03-24 1988-06-28 Williams Technologies, Inc. Process for producing a clean hydrocarbon fuel from high calcium coal
US5180569A (en) * 1990-12-31 1993-01-19 Phosphate Engineering And Construction Company Process for the production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acid
US5531975A (en) * 1990-12-31 1996-07-02 Phosphate Engineering And Construction Co., Inc. Process for the production of phosphoric acid and calcium fluoride
EP2118000B1 (de) * 2007-02-02 2011-05-25 Solvay Fluor GmbH Herstellung von fluorwasserstoff aus calciumfluorid und schwefelsäure
MX2010011628A (es) * 2008-04-22 2010-12-21 Solvay Fluor Gmbh Preparacion de fluoruro de hidrogeno a partir de material residual que contiene fluorita o fluoruro de calcio.
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
CN101920980B (zh) * 2010-05-18 2012-01-25 中萤集团有限公司 生产无水氟化氢、干法氟化铝的能源综合利用系统及其方法
CN101913565B (zh) * 2010-08-12 2013-01-23 衢州市鼎盛化工科技有限公司 一种以萤石粉和硫酸生产氟化氢的方法
CN103350984B (zh) * 2013-07-09 2015-08-12 安徽锦洋氟化学有限公司 一种无水氟化氢生产设备
CN103350985B (zh) * 2013-07-09 2015-08-12 安徽锦洋氟化学有限公司 一种无水氟化氢生产方法
US10934166B2 (en) 2014-07-11 2021-03-02 Daikin Industries, Ltd. Method for producing hydrogen fluoride
CN112274986B (zh) * 2020-10-14 2022-06-17 太仓中化环保化工有限公司 一种氢氟酸有机物料回收装置

Also Published As

Publication number Publication date
CA974029A (en) 1975-09-09
ES405293A1 (es) 1975-07-01
FR2147319A1 (de) 1973-03-09
GB1394133A (en) 1975-05-14
NL7210463A (de) 1973-01-31
DE2138015A1 (de) 1973-02-08
AU460198B2 (en) 1975-04-17
US3825655A (en) 1974-07-23
AU4495172A (en) 1974-01-31
BE786915A (fr) 1973-01-29
DD97637A5 (de) 1973-05-12
IT968284B (it) 1974-03-20

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