A model for gas-solid reactions with structural changes in the presence of inert solids

Prasannan, P. C. ; Ramachandran, P. A. ; Doraiswamy, L. K. (1985) A model for gas-solid reactions with structural changes in the presence of inert solids Chemical Engineering Science, 40 (7). pp. 1251-1261. ISSN 0009-2509

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/000925...

Related URL: http://dx.doi.org/10.1016/0009-2509(85)85084-3

Abstract

A mathematical model is developed to account for the effect of inert material present in the solid in noncatalytic gas-solid reactions accompanied by significant structural changes. This model finds application in the desulfurization of flue gases using dolomite, chlorination of ilmenite, etc. where the naturally occurring ores contain inert materials in the solid matrix. The results show that the asymptotic conversion is increased by the presence of inerts and an optimum inert content exists for which the gas uptake and the utilization of the active solid material are maximum.

Item Type:Article
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ID Code:22811
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