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Minerals 2018, 8(7), 263; https://doi.org/10.3390/min8070263

Effect of TiO2 on the Sintering Behavior of Chromium-Bearing Vanadium–Titanium Magnetite

1
School of Metallurgy, Northeastern University, Shenyang 110819, China
2
School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan 114051, China
*
Author to whom correspondence should be addressed.
Received: 6 May 2018 / Revised: 15 June 2018 / Accepted: 20 June 2018 / Published: 23 June 2018
(This article belongs to the Special Issue Towards Sustainability in Extractive Metallurgy)
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Abstract

The sintering pot test was used to investigate the effect of TiO2 on the sintering behavior of chromium-bearing vanadium–titanium magnetite (CVTM) sinter. The main characterization methods of X-ray fluorescence (XRF), X-ray diffraction (XRD), scanning electron microscopy-energy disperse spectroscopy (SEM-EDS), and metallographic microscopy were employed. In this study, yield, tumbler index (TI), vertical sintering speed, productivity, reduction degradation index (RDI), and reduction index (RI) were tested and calculated. The yield first increases from 82.87% to 84.37% and then decreases to 83.65%, vertical sintering speed first increases from 17.00 mm·min−1 to 23.45 mm·min−1 and then decreases to 20.61 mm·min−1, and productivity first increases from 2.33 t·m−2·h−1 to 3.14 t·m−2·h−1 and then decreases to 2.69 t·m−2·h−1 with increasing TiO2 content. The TI increases from 45.81% to 52.09%, and RDI increases from 74.99% to 96.74%, while RI decreases from 67.92% to 47.15% with increasing TiO2 content. View Full-Text
Keywords: titanium dioxide; chromium-bearing vanadium–titanium magnetite; sinter; sintering behavior titanium dioxide; chromium-bearing vanadium–titanium magnetite; sinter; sintering behavior
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Tang, W.; Yang, S.; Cheng, G.; Gao, Z.; Yang, H.; Xue, X. Effect of TiO2 on the Sintering Behavior of Chromium-Bearing Vanadium–Titanium Magnetite. Minerals 2018, 8, 263.

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