An evaluation of chlorination for the removal of zinc from steelmaking dusts

Jaafar, Izan, Griffiths, Anthony John, Hopkins, A. C., Steer, Julian Mark ORCID: https://orcid.org/0000-0002-3003-4768, Griffiths, Martyn Hywel and Sapsford, Devin James ORCID: https://orcid.org/0000-0002-6763-7909 2011. An evaluation of chlorination for the removal of zinc from steelmaking dusts. Minerals Engineering 24 (9) , pp. 1028-1030. 10.1016/j.mineng.2011.04.026

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Abstract

This paper explores the feasibility of a high temperature chlorination roast for selectively remove Zn from steelmaking dust. Experiments using ammonium chloride as the chlorination reagent indicate promising removal of up to 99% Zn. However, up to 30% of the Fe content of the dust is concomitantly recovered with the Zn, this is an undesirable feature in the process. This paper examines optimisation of Zn recovery and minimisation of Fe recovery during the chlorination roast through variation of parameters such as roasting temperature, time and chlorination agent ratio.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	T Technology > TN Mining engineering. Metallurgy
Uncontrolled Keywords:	Pyrometallurgy; Roasting; Steelmaking dusts; Chlorination; Metal removal
Publisher:	Elsevier
ISSN:	0892-6875
Last Modified:	03 Dec 2022 11:41
URI:	https://orca.cardiff.ac.uk/id/eprint/14041

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