Chemistry of inorganic compounds – Halogen or compound thereof – Binary fluorine containing compound
Patent
1976-03-25
1977-08-09
Stern, Edward
Chemistry of inorganic compounds
Halogen or compound thereof
Binary fluorine containing compound
423240, C01F 750
Patent
active
040411370
ABSTRACT:
In the production of aluminum fluoride, a fluorine compound is absorbed from a gas containing the fluorine compound into a gas absorbing liquor comprising water containing alumina or hydrated alumina, or an aqueous aluminum fluoride solution containing alumina or hydrated alumina, and the absorbed fluorine compound is reacted with alumina or hydrated alumina to precipitate hydrated aluminum fluoride of high quality.
REFERENCES:
patent: 1851475 (1932-03-01), Zimmermann
patent: 2813000 (1957-11-01), Quittenton
patent: 3836635 (1974-09-01), Reh et al.
patent: 3907971 (1975-09-01), Bohm et al.
Abe Tatsuo
Okamoto Toshiki
Sakakura Takao
Tateno Tatsuo
Stern Edward
Sumitomo Aluminum Smelting Company, Ltd.
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