The expediency of recycling zinc-bearing steelmaking dust in cupolas equipped with a gas tract having modern gas-cleaning equipment is evaluated. It is shown that the use of such furnaces to recycle steelmaking dust briquetted with other iron-bearing wastes makes it possible to: recycle all the steelmaking dust formed at a large metallurgical plant; obtain pig iron of acceptable quality without significantly loading the environment; recycle a valuable component of this dust – zinc. The value of the zinc that is recovered will recoup the entire cost of recycling the finely dispersed iron-bearing wastes.
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V. S. Lisin and Yu. S. Yusfin, Environmental-Resource Problems of the XXI Century and Metallurgy [in Russian], Vysshaya Shkola, Moscow (1998).
I. V. Butorina, Foundations for Stable Growth of the Metallurgical Industry [in Russian], Kashtan, Donetsk (2005).
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Translated from Metallurg, No. 10, pp. 54–56, October, 2010.
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Emel’yanova, E.S., Butorina, I.V. Evaluating the feasibility of recycling steelmaking dust in cupolas. Metallurgist 54, 682–685 (2011). https://doi.org/10.1007/s11015-011-9357-y
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DOI: https://doi.org/10.1007/s11015-011-9357-y