Structural Evaluation of Silicate Melts by Performing Impedance Measurements and Quasichemical Model Calculations

Harada, Yusuke; Saito, Noritaka; Nakashima, Kouichi

doi:10.1007/s11663-021-02069-x

Cited by 1 publication

(1 citation statement)

References 41 publications

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“…FactSage is a commercially available software that was introduced in 2001 as the fusion of the F*A*C*T/FACT-Win (Thermfact, Canada) and ChemSage (GTT-Technology, Germany) thermochemical packages. FactSage (8.1 version ) uses the ChemSage Gibbs energy minimization routine and has been trusted and utilized by researchers in the field of materials and metallurgy 27) . The equilibrium compositions were calculated using the Equilib module of FactSage 28) based on the conservation of mass and energy and minimization of the total Gibbs free energy.…”

Section: Simulation Methodsmentioning

confidence: 99%

Thermodynamic Analysis of the Reduction of Vanadium-titanium Magnetite by Gasification Gas

2022

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Vanadium-titanium magnetite (VTM) has a high comprehensive utilization value. The gas-based reduction process combined with the electric furnace melting process has the advantages of a high recovery rate of precious metal elements in VTM, low cost, high-energy efficiency, and low environmental pollution. Gasification gas provided by coal gasification technology is a potential reducing agent. Through FACTSAGE calculations and experiments, the reduction thermodynamic properties of VTM oxidized pellets by gasification gas were systematically studied to illustrate the feasibility of the system before practical experiments. The reaction mechanism of the direct reduction of VTM by gasification gas was proved, and the conversion behavior of iron and titanium in the reduction system was also clarified. This work clearly describes the reduction process of VTM oxidation pellets and clarifies the essence of the direct reduction of gas groups of VTM oxidized pellets.

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Section: Simulation Methodsmentioning

confidence: 99%