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Metals 2016, 6(6), 138; doi:10.3390/met6060138

Designing of Synergistic Waste Mixtures for Multiphase Reactive Smelting

1
Institute for Technology of Nuclear and Other Mineral Raw Materials, 86 Franchet d’ Esperey St., Belgrade 11000, Serbia
2
Faculty of Technology and Metallurgy, University of Belgrade, 4 Carnegie St., Belgrade 11000, Serbia
3
The Innovation Center at Faculty of Technology and Metallurgy, University of Belgrade, 4 Carnegie St., Belgrade 11000, Serbia
*
Authors to whom correspondence should be addressed.
Academic Editor: Corby G. Anderson
Received: 29 March 2016 / Revised: 20 May 2016 / Accepted: 24 May 2016 / Published: 8 June 2016
(This article belongs to the Special Issue Recycling of Metals)
View Full-Text   |   Download PDF [3948 KB, uploaded 8 June 2016]   |  

Abstract

Electric arc furnace (EAF) dust, together with a mill scale and coke were smelted in a laboratory electric arc furnace. These metallurgical wastes consist of a many different phases and elements, making the reaction process complex. Thermo-chemical analysis of the reactions in metal, slag, and gas phases was done, and used for modeling of the mixture composition and energy consumption required for smelting. Modelling was performed with the software named RikiAlC. The crude ZnO, slag, and metal phase were analyzed using the atomic absorption spectrometry (AAS), the optical emission spectrometry with inductively coupled plasma (ICP-OES), the X-ray diffraction (XRD), the scanning electron microscopy (SEM) equipped with energy dispersive spectrometry (EDS), and reflected and transmitted light microscopy. Also, in order to follow the behavior of this process the exhausted gases were monitored. The synergetic effects of the designed mixture may be recognized in minimizing energy consumption for the smelting process, improving the product yield efficiency, and reducing the negative environmental effects. View Full-Text
Keywords: EAF dust; mill scale; DC electric arc furnace; synergistic waste EAF dust; mill scale; DC electric arc furnace; synergistic waste
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Manojlović, V.; Kamberović, Ž.; Sokić, M.; Gavrilovski, M.; Korać, M. Designing of Synergistic Waste Mixtures for Multiphase Reactive Smelting. Metals 2016, 6, 138.

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