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

1985-08-05

1987-03-24

Metz, Andrew H.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkaline earth metal

423 72, 423 79, 423 84, 423137, 423494, 423496, 423497, 423499, 75 1R, C01F 530

Patent

active

046524347

ABSTRACT:
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 prevent reactor wall buildup.

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