Particulates generated in electric furnace (ef) steelmaking constitute approximately 1 to 2 pct of the charge. This flue dust is a rich source of zinc (values are substantially higher than in ore), but although there are several processes for recovering the metal, none are considered economic in the United States. This report reviews extraction technology and presents results of Bureau of Mines reduction-volatilization tests on pelletized ef dusts which achieved high recoveries of zinc. The data are sufficiently encouraging to warrant consideration of ef dusts as raw material for primary zinc smelters.
IH; Report of Investigations
NTIS Accession No.
Electric furnace steelmaking dusts--a zinc raw material
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