Process for recovery of zinc from the dust of an iron-...

Details Process for recovery of zinc from the dust of an iron-... Process for recovery of zinc from the dust of an iron-...

C - Chemistry, Metallurgy

22

B

53/325

C22B 7/00 (2006.01) C22B 7/02 (2006.01) C22B 19/30 (2006.01)

Patent

CA 1098323

ABSTRACT OF THE DISCLOSURE The zinc-containing dust from an iron-making (blast) furnace or a steel-refining (e.g. converter) furnace is recovered and extracted with water saturated with carbon dioxide to solubilize the zinc. The zinc solubilized in the CO2 - saturated water is then precipitated by the elimination of carbon dioxide therefrom.

257541

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