Purification of alkali carbonate containing a fluorine compound

Details Purification of alkali carbonate containing a fluorine compound Purification of alkali carbonate containing a fluorine compound

1975-08-08

1976-09-14

Vertiz, Oscar R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkali metal

23320T, 423421, 423497, C01B 128, C01D 132, C01D 726

Patent

active

039807541

ABSTRACT:
An alkali carbonate containing a fluorine compound is purified by dissolving the crude alkali carbonate in an aqueous solution or suspension of magnesium bicarbonate in order to transfer the fluorine impurity into the resulting colloidal flocculated precipitate whereby the fluorine is substantially separated from the aqueous solution of the alkali carbonate.

REFERENCES:
patent: 1675786 (1928-07-01), Buchner
patent: 1687433 (1928-10-01), Drucker
patent: 1776064 (1930-09-01), Buchner
patent: 2914474 (1959-11-01), Hillyer et al.
Siewko et al., Chemistry, 2nd Edition, McGraw-Hill Book Co., N.Y., N.Y., 1961, p. 543.

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