Post-treatment of ilmenite ore subjected to selective chlorinati

Details Post-treatment of ilmenite ore subjected to selective chlorinati Post-treatment of ilmenite ore subjected to selective chlorinati

1974-11-15

1976-06-08

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 2, 423 80, 423 85, C22B 100, C01G 2300

Patent

active

039619400

ABSTRACT:
Process for post-treating a chlorinated ilmenite ore which has undergone a selective chlorination treatment in the presence of a solid carbonaceous material, which comprises subjecting the chlorinated ilmenite ore to a magnetic separation in a high magnetic field to separate it into a magnetic portion and non-magnetic portion, subjecting the residual of the solid carbonaceous material concentrated in the non-magnetic portion to flotation, using a frothing agent such as methylisobutylcarbinol and a collector for a sulfide ore such as xanthate, Aerofloat or the like, and washing a gangue value partially liberated from the ilmenite ore with water or suspending it in water in said flotation to separate these materials respectively thereby to produce an artificial rutile with a TiO.sub.2 content of at least 95% as a final product.

REFERENCES:
patent: 2954278 (1960-09-01), Gaskin
patent: 2982613 (1961-05-01), Griffin
patent: 3699206 (1972-10-01), Dunn, Jr.
patent: 3784670 (1974-01-01), Yamada

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