Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group ivb metal
Patent
1980-12-15
1982-11-16
Andrews, M. J.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group ivb metal
423 84, 423610, 423611, 423 85, C01G 23047
Patent
active
043594492
ABSTRACT:
The instant invention relates to a process for the preparation of titanium dioxide from an ore comprising titanium oxides which comprises the steps of fluorinating said ore to convert the titanium oxides to titanium fluorides; and, contacting said titanium fluorides with an alkaline material at conditions whereby said titanium fluorides are converted to titanium dioxide. The ore may be an ilmenite ore and the fluorination may be carried out by contacting said ilmenite ore with a fluosilicate salt as sodium fluosilicate.
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Hard Robert A.
Prieto Martin A.
Andrews M. J.
Baran Robert J.
Occidental Research Corporation
Zimmerman J. J.
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