Abstract
In many applications, the chemical reaction changes the number of moles of the gas phase and hence affects the gas–solid flow structures and the reaction behavior. This study analyzes the effect of such non-equimolar reaction on the meso-scale reaction rate model. Based on the filter technique and the fine-grid simulation data, a meso-scale reaction rate model is proposed by correcting the model established by Huang et al. (AIChE, 2021, 67 (5)) in which only equimolar reaction is involved. The Reynolds number calculated by the filtered gas–solid slip velocity is found to be an important marker in the correction factor. The effectiveness of the new model is demonstrated by prior tests and also posteriori tests in fluidized beds.
Published Version
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