Process for the preparation of alkali metal fluotitanates

Details Process for the preparation of alkali metal fluotitanates Process for the preparation of alkali metal fluotitanates

1986-06-26

1988-10-25

Doll, John

Chemistry of inorganic compounds

Halogen or compound thereof

Plural metal or metal and ammonium containing

423 72, 423 82, C01D 302, C01G 2302

Patent

active

047803029

ABSTRACT:
Process for the preparation of alkali metal fluotitanates by fluorination of a titanium ore, reaction with an alkali metal compound, precipitation and separation of the formed alkali metal fluotitanates, wherein the titanium ore is mixed with a hydrofluosilicate solution, the resulting suspension is evaporated at a temperature of 90.degree.-110.degree. C., the residue is subsequently taken up in water or in a mineral acid and the residue solution is neutralized with an alkali metal compound.

REFERENCES:
patent: 3956147 (1976-05-01), Becker et al.
patent: 4359449 (1982-11-01), Hard et al.
patent: 4497779 (1985-02-01), Kramer et al.
Hackh's Chemical Dictionary, 4th ed., Grant, ed. McGraw-Hill Book Co., 1969, pp. 66, 275, 332.
Chemical Engineers' Handbook, 5th ed., Perry & Chilton, eds., McGraw-Hill Book Co., 1973, pp. 8-12, 21-30.

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