Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group ivb metal
Patent
1976-06-15
1977-09-06
Vertiz, O. R.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group ivb metal
423633, C01G 2302, C01G 4906
Patent
active
040468542
ABSTRACT:
The recovery of titanium tetrachloride from a mixed titanium tetrachloride/ferric chloride vapor, suitably as produced by the fluidized bed chlorination of an iron containing titaniferous ore such as ilmenite is by treating the vapor with excess oxygen over that required in theory to oxidize the ferric chloride content thereof while maintaining the vapor at a temperature within the range of 500.degree. C to 800.degree. C, removing the resulting ferric oxide particles from the vapor, cooling the vapor to a temperature above the boiling point of titanium tetrachloride to condense residual ferric chloride in the vapor and separating the condensed ferric chloride, and recovering the remaining titanium tetrachloride containing vapor.
The residual ferric chloride, and chlorine remaining in the vapor after recovery of the titanium tetrachloride may be recycled.
REFERENCES:
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patent: 2653708 (1953-09-01), Lane
patent: 2657976 (1953-11-01), Rowe et al.
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patent: 3325252 (1967-06-01), Wikswo
patent: 3865920 (1975-02-01), Dunn
Antipov et al., "Kinetics of the Reaction Between Titanium Tetrachloride and Oxygen" Zh. Prikl. Khim. (1967) 40 (1), pp. 11-15.
Glorge, et al., "Formation of TiO.sub.2 Aerosol from the Combustion Supported Reaction of TiCl.sub.4 and O.sub.2 " Faraday Symposium of the Chemical Society (1973), vol. 7, p. 63.
Hearn Brian E.
Laporte Industries Limited
Vertiz O. R.
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