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Vanadium titanomagnetite (VTM) is recognized as a strategic resource throughout the world.1–3) The Hongge VTM (HVTM) that located in Panxi region of China, is one of the largest VTM resources, besides iron, titanium, and vanadium, there is high content of chromium. The chromium reserve is 900 Mt, accounting for approximately 68% of Chinese total chromium reserve.4,5) Therefore, the utilization of this complex iron ore is imperative. At present, the blast furnace (BF) has been utilized for smelting VTM to produce hot metal and high-titanium slag with the content of TiO2 varying from 22% to 25%, which cannot be effectively utilized through traditional processes and leads to serious environmental pollution.6–8) In the past years, several new processes based on coal-based direct reduction for the comprehensive utilization of VTM or HVTM have been conducted.9–19) Wu et al.9) investigated the influences of smelting temperature, smelting time, and the basicity of metallized pellet on vanadium and iron recovery. Zhao et al.12) surveyed the reduction behavior of FeO·V2O3 and FeO·Cr2O3 during coal-based direct reduction of HVTM. However, the recovery rates of vanadium, Influence of Cr2O3 Addition on the Gas-Based Direct Reduction Behavior of Hongge Vanadium Titanomagnetite Pellet with Simulated Shaft Furnace Gases

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Influence of Cr&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;3&lt;/sub&gt; Addition on the Gas-Based Direct Reduction Behavior of Hongge Vanadium Titanomagnetite Pellet with Simulated Shaft Furnace Gases