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In this study, vanadiumVanadium titanomagnetiteVanadium titanomagnetite was processed via a gas-based shaft furnaceGas-based shaft furnace reduction–electric furnace smelting route. The feasibility of oxide pelletOxide pellets preparation, gas-based reduction, and electric furnace meltingElectric furnace melting was demonstrated. Oxidized pellets showed excellent strength (RDI+3.15 = 98.58%, RSI = 9.72%), meeting first-grade standards. Under 1000 °C and grade standards. Under 1000°C and PH2/(PH2+PCO) = 0.72, reduced pellets achieved 90.6% metallization with acceptable reduction swelling and pulverization indices. Electric furnace smelting at 1550 °C without reductant yielded high recoveriesRecovery of Fe (99.77%), V (99.6%), and Ti (95.58%) at basicity 0.7 and MgO 13.04%. The vanadium pig iron contained 0.683% V, 0.296% Ti, and 0.199% Si, suitable for steelmaking and vanadium slag blowing. The slag had 52.21% TiO2, surpassing the TiO2 content in titaniumTitanium concentrate, making it a viable feedstock for TiO2 production via the sulfuric acid method. This process demonstrates an efficient pathway for comprehensive utilization of vanadiumVanadium titanomagnetiteVanadium titanomagnetite resources.

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Comprehensive Utilization Vanadium Titanomagnetite via Gas-Based Shaft Furnace Reduction–Electric Furnace Smelting Process

  • 会议论文

  • 发表日期：

    2026年

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  • Jianfa Jing,
  • Chenglei Guo,
  • Jun Zhu

摘要

In this study, vanadiumVanadium titanomagnetiteVanadium titanomagnetite was processed via a gas-based shaft furnaceGas-based shaft furnace reduction–electric furnace smelting route. The feasibility of oxide pelletOxide pellets preparation, gas-based reduction, and electric furnace meltingElectric furnace melting was demonstrated. Oxidized pellets showed excellent strength (RDI+3.15 = 98.58%, RSI = 9.72%), meeting first-grade standards. Under 1000 °C and grade standards. Under 1000°C and PH2/(PH2+PCO) = 0.72, reduced pellets achieved 90.6% metallization with acceptable reduction swelling and pulverization indices. Electric furnace smelting at 1550 °C without reductant yielded high recoveriesRecovery of Fe (99.77%), V (99.6%), and Ti (95.58%) at basicity 0.7 and MgO 13.04%. The vanadium pig iron contained 0.683% V, 0.296% Ti, and 0.199% Si, suitable for steelmaking and vanadium slag blowing. The slag had 52.21% TiO2, surpassing the TiO2 content in titaniumTitanium concentrate, making it a viable feedstock for TiO2 production via the sulfuric acid method. This process demonstrates an efficient pathway for comprehensive utilization of vanadiumVanadium titanomagnetiteVanadium titanomagnetite resources.