Process for the roasting and chlorination of finely-divided...

Details Process for the roasting and chlorination of finely-divided... Process for the roasting and chlorination of finely-divided...

C - Chemistry, Metallurgy

21

C

53/114

C21C 1/04 (2006.01) C22B 1/08 (2006.01) C22B 5/14 (2006.01)

Patent

CA 1125031

ABSTRACT OF THE DISCLOSURE Finely-divided iron ores and concentrates which contain non-ferrous metals are roasted and chlorinated in order to vaporize the non-ferrous metals as metal chloride compounds, whereby the finely-divided raw material is oxidized at an elevated temperature to produce an oxide melt, with which a chlorinating reagent and air are mixed in order to vaporize non-ferrous metal chlorides from the iron oxide melt.

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