Non-polluting alkali-metal bisulfate system for producing titani

Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group ivb metal

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423 84, 423610, 423633, C01G 23047, C01G 4902

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active

055915060

ABSTRACT:
Alkali-metal bisulfate is employed in a non-polluting and economically-feasible system for producing titanium dioxide pigment from titanium mineral or slag with recycling of alkali-metal bisulfate and ammonia.

REFERENCES:
patent: Re19594 (1935-05-01), Leuchs
patent: 1184131 (1916-05-01), Rossi
patent: 1206798 (1916-12-01), Barton
patent: 1341307 (1920-05-01), Farup
patent: 1695270 (1928-12-01), Barton et al.
patent: 1695341 (1928-12-01), Monk
patent: 3057685 (1962-10-01), Kamlet
patent: 3761563 (1973-09-01), Kaiser et al.

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