Recovery of titanium values from minerals

Details Recovery of titanium values from minerals Recovery of titanium values from minerals

C - Chemistry, Metallurgy

01

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53/156, 23/163

C01G 23/02 (2006.01) B01J 8/32 (2006.01) C22B 1/00 (2006.01) C22B 1/08 (2006.01) C22B 34/12 (2006.01)

Patent

CA 2001751

ABSTRACT A process for chlorinating a fine grained mineral containing titanium dioxide in a fluidized bed comprising adding the fined grained mineral to a fluidized bed comprising a coarse grained material and a source of active carbon. A chlorinating agent is introduced into the fluidizing gas to chlorinate the titanium dioxide and produce titanium tetrachloride. Titanium tetrachloride vapour is recovered from the exit gases. The superficial velocity imparted to the particles comprising the fluidized bed represents a substantial proportion of the terminal velocity of the mineral grains.

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