Aluminum-fluorine compound manufacture

Details Aluminum-fluorine compound manufacture Aluminum-fluorine compound manufacture

1983-07-21

1985-04-02

Hearn, Brian E.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

423489, 423462, C01F 100, C01B 700, C01B 719

Patent

active

045086893

ABSTRACT:
Method for improving yield of solid, sodium-poor fluoride material from an aqueous solution having ionic species containing sodium, aluminum and fluorine, including neutralizing the solution incompletely to precipitate aluminum fluoride hydroxide hydrate in preference to sodium-containing compounds such as chiolite or cryolite.

REFERENCES:
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patent: 386704 (1888-07-01), Grabau
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patent: 3493331 (1970-02-01), Vancil et al.
patent: 3825659 (1974-07-01), Harrison et al.
patent: 3941874 (1976-03-01), Payne
patent: 4041137 (1977-08-01), Abe et al.
patent: 4248849 (1981-02-01), Skaria et al.
patent: 4399113 (1983-08-01), Tosaka et al.
Basic Fluorides of Aluminum, Cowley and Scott, J. Am. Chem. Soc. 70, 105 (1948).

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