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Reduction of iron–manganese oxide particles in a lab-scale packed-bed reactor for thermochemical energy storage
Chemical Engineering Science ( IF 4.7 ) Pub Date : 2020-08-01 , DOI: 10.1016/j.ces.2020.115700
Marziyeh Hamidi , Vincent M. Wheeler , Xiang Gao , John Pye , Kylie Catchpole , Alan W. Weimer

Abstract A packed-bed reactor heated with an IR furnace is designed and fabricated for high-temperature thermochemical energy storage (TCES) studies using 0.5–1.0 mm particles composed of iron–manganese oxide with a molar ratio of Fe/Mn 2:1 (Fe67) as the storage material. An axisymmetric, two-dimensional, transient model accounting for heat transfer (conduction, convection, and radiation), mass transfer, and thermochemical reaction kinetics is developed to describe the reduction reaction of Fe67 in the packed-bed reactor. The model and experiments are in good agreement, indicating that the model is useful for providing a fundamental understanding of the process.

中文翻译:

用于热化学储能的实验室规模填充床反应器中铁锰氧化物颗粒的还原

摘要 设计并制造了用 IR 炉加热的填充床反应器,用于高温热化学储能 (TCES) 研究,该反应器使用 0.5-1.0 mm 的铁锰氧化物颗粒,Fe/Mn 的摩尔比为 2:1 ( Fe67)作为储存材料。开发了一个轴对称、二维、瞬态模型,该模型考虑了传热(传导、对流和辐射)、传质和热化学反应动力学,以描述填充床反应器中 Fe67 的还原反应。该模型和实验非常吻合,表明该模型对于提供对该过程的基本理解是有用的。
更新日期:2020-08-01
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