GB1074665A - Method for the preparation of aluminium fluoride - Google Patents

Method for the preparation of aluminium fluoride

Info

Publication number
GB1074665A
GB1074665A GB239366A GB239366A GB1074665A GB 1074665 A GB1074665 A GB 1074665A GB 239366 A GB239366 A GB 239366A GB 239366 A GB239366 A GB 239366A GB 1074665 A GB1074665 A GB 1074665A
Authority
GB
United Kingdom
Prior art keywords
aluminium fluoride
stirring
preparation
temperature
acid solution
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.)
Expired
Application number
GB239366A
Inventor
Alfred Schmidt
Ferdinand Weinrotter
Walter Muller
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.)
Osterreichische Stickstoffwerke AG
Patheon Austria GmbH and Co KG
Original Assignee
Chemie Linz AG
Osterreichische Stickstoffwerke 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 Chemie Linz AG, Osterreichische Stickstoffwerke AG filed Critical Chemie Linz AG
Priority to GB239366A priority Critical patent/GB1074665A/en
Publication of GB1074665A publication Critical patent/GB1074665A/en
Expired legal-status Critical Current

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
    • C01F7/00—Compounds of aluminium
    • C01F7/48—Halides, with or without other cations besides aluminium
    • C01F7/50—Fluorides

Abstract

Aluminium fluoride is prepared by heating fluosilicic acid solution to 45-75 DEG C., rapidly adding solid Al(OH)3 so that the temperature of the resulting suspension rises to at least 97 DEG C., maintaining that temperature for 5-15 minutes, rapidly filtering off the precipitated SiO2 and crystallizing out the resulting AlF3. 3H2O from the filtrate at 80-100 DEG C. within 3-6 hours while stirring. The fluosilic acid solution may have a concentration of 15-25% by weight. The Al(OH)3 is used in an amount less than stoichiometric by up to 5%, and is preferably added to the fluosilicic acid within one minute with stirring.
GB239366A 1966-01-18 1966-01-18 Method for the preparation of aluminium fluoride Expired GB1074665A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB239366A GB1074665A (en) 1966-01-18 1966-01-18 Method for the preparation of aluminium fluoride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB239366A GB1074665A (en) 1966-01-18 1966-01-18 Method for the preparation of aluminium fluoride

Publications (1)

Publication Number Publication Date
GB1074665A true GB1074665A (en) 1967-07-05

Family

ID=9738765

Family Applications (1)

Application Number Title Priority Date Filing Date
GB239366A Expired GB1074665A (en) 1966-01-18 1966-01-18 Method for the preparation of aluminium fluoride

Country Status (1)

Country Link
GB (1) GB1074665A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5707406A (en) * 1993-05-06 1998-01-13 Onoda Chemical Industry Co., Ltd. Method of manufacturing aluminum fluoride anhydride
CN115010157A (en) * 2022-06-22 2022-09-06 中石化南京工程有限公司 System and method for producing anhydrous aluminum fluoride by using fluosilicic acid
CN115784239A (en) * 2022-06-24 2023-03-14 科顺防水科技股份有限公司 Preparation method of white carbon black

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5707406A (en) * 1993-05-06 1998-01-13 Onoda Chemical Industry Co., Ltd. Method of manufacturing aluminum fluoride anhydride
CN115010157A (en) * 2022-06-22 2022-09-06 中石化南京工程有限公司 System and method for producing anhydrous aluminum fluoride by using fluosilicic acid
CN115784239A (en) * 2022-06-24 2023-03-14 科顺防水科技股份有限公司 Preparation method of white carbon black
CN115784239B (en) * 2022-06-24 2024-03-19 科顺防水科技股份有限公司 Preparation method of white carbon black

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