Chlorination of ores containing alkali or alkaline earth values

Details Chlorination of ores containing alkali or alkaline earth values Chlorination of ores containing alkali or alkaline earth values

C - Chemistry, Metallurgy

22

B

39/46, 53/371.5

C22B 1/08 (2006.01) B01J 19/00 (2006.01) B08B 17/02 (2006.01) C01F 11/28 (2006.01) C01G 23/02 (2006.01) C22B 1/10 (2006.01) C22B 1/26 (2006.01) C22B 5/12 (2006.01) C22B 5/14 (2006.01) C22B 34/12 (2006.01)

Patent

CA 1296531

ABSTRACT OF THE INVENTION The invention pertains to an entrained-downflow chlorination process of fine metalliferous ores particularly containing alkali and/or alkaline earth metals greater than about 0.3% by weight as the oxide. The process includes a quenching step following the chlorination step where the chlorinated products are quenched by liquid cooling fluid spray patterns adapted to prevent solidification of the alkali and/or alkaline earth materials onto the reactor walls. The chlorinator unit of this invention prevents disruption of the chlorination process due to presence of liquids or sticky particles and it contains a quenching spray means disposed below the chlorination zone in the entrained-downflow chlorinator unit, whereby the quenching sprays preventreactor wall buildup.

515300

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