Two stage chlorination of titaniferous ore

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

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423 74, 423 75, 423 78, 423 79, 75 1T, C01G 2302

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active

045199884

ABSTRACT:
There is provided an improved process for chlorinating an iron-containing titaniferous ore, such as ilmenite which comprises dividing the ore charge into 2 parts. The first and major part is chlorinated with chlorine or with a mixture of chlorine and FeCl.sub.3 under fluidized bed conditions to yield principally TiCl.sub.4 and FeCl.sub.2. The FeCl.sub.2 is separated out and utilized as a chlorinating agent for the minor part of the ore in an entrained flow chlorinator to yield more TiCl.sub.4 and metallic iron as principal products. This process avoids the need for disposal of FeCl.sub.2 and retains the advantages of conventional chlorination procedures.

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