Effect of Water Gas Shift Reaction on the Non-Isothermal Reduction of Wustite Porous Pellet Using Syngas
Publish Year: 1390
نوع سند: مقاله ژورنالی
زبان: English
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JR_ISSIRAN-8-2_003
تاریخ نمایه سازی: 6 آبان 1402
Abstract:
Effect of water gas shift reaction (CO+H۲O=CO۲+H۲) on wustite reduction has been investigated by a transient, non-isothermal mathematical model based on grain model. In this model, wustite porous pellet is reduced using Syngas, namely a mixture of hydrogen, carbon monoxide, carbon dioxide and water vapor. For this purpose, governing equations containing continuity equation of species and energy equation have numerically been solved by finite volume fully implicit method. The model has been validated by comparing it with experimental data from literature. It was found a good agreement between model results and experimental data. Model results have beenpresented for the pellet reduction including with and without Water Gas Shift Reaction (WGSR). It was foundthat in pellet scale model, the effect of WGSR is not considerable on the rate of wustite reduction and temperaturedistribution inside the pellet. However it affects the distribution of mole fraction of gaseous species considerably.
Keywords:
Water Gas Shift Reaction (WGSR) , Direct reduction , Wustite pellet , Syngas , Reduction rate , Finite volume method
Authors
M. Valipour
Heterogeneous Reactions Research Group, School of Mechanical Engineering, Semnan University, P. O. Box: ۳۵۱۹۶-۴۵۳۹۹, Semnan, Iran
M. Mokhtari
Heterogeneous Reactions Research Group, School of Mechanical Engineering, Semnan University, P. O. Box: ۳۵۱۹۶-۴۵۳۹۹, Semnan, Iran
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