Abstract
This paper deals with the study of the gas–liquid mass transfer, coupled with chemical reactions, the gas–liquid-solid mass transfer, and crystallization. Sodium bicarbonate is produced in a bubble column reactor which contains a solution of carbonate and bicarbonate and carbon dioxide gas injected into this column. In this mathematical modeling, a mole balance has been instituted on flows and components through the bubble column. A population balance is utilized to obtain the nucleation and growth formula for the solid phase. Danckwerts theory is utilized for mass transfer between gas and liquid phases. This model can predict the effects of several parameters on the production and size distribution of sodium bicarbonate crystals and also conversion of carbon dioxide. The mathematic simulator model results are compared with the experimental results to valid this model. Effects of different parameters on the production and size distribution of sodium bicarbonate crystals and also absorbent of carbon dioxide are investigated.
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