Development of a Dezincing Method for Iron-Containing Wastes by Heat Treatment in a Reducing Atmosphere.

The phase, elemental, and particle-size distributions and the morphology of a dust sample from electric steel-smelting production were studied. The heat-treatment temperature of the sample in a reducing atmosphere at which the greatest weight loss occurred was determined by thermogravimetric analysis. The elemental and phase compositions of the reduced sample were determined. The effect of the processing temperature regime on the degree of zinc removal from the sample was shown. [ABSTRACT FROM AUTHOR]