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Proceedings of Symposium on Energy Engineering in the 21^{st} Century (SEE2000) Volume I-IV

ISBN Print: **1-56700-132-7 **

In a wet desulfurization process NaOH solution is sprayed into flue duct, small droplets are then formed and react directly with gaseous SO_{2} in FG. In this paper a two-phase mathematical model based on dual film mass transfer theory and boundary layer theory on the surface of droplet is proposed to describe the reacting processes between the gaseous SO_{2} and a single droplet Then according to the droplet diameter distribution function, a set of formulas to estimate the binding capability of droplets on SO_{2} and to predict the desulfurization efficiency are established. Through numerical calculation, key factors such as pH value of droplets, the ratio of spraying NaOH solution volume to the volume of FG, etc. are analyzed and discussed. Additionally, a SO_{2} removal pilot experiment is carried out on the flue duct of a coal-fired industrial boiler with steam capacity of 10T/h to test the SO_{2} removal rate.

A. Budyka

V. Kirichenko ISBN Print: 978-1-56700-241-6

ISBN Online: 978-1-56700-240-9

Thermal Radiation in Disperse Systems: An Engineering Approach Leonid Dombrovsky

Dominique Baillis ISBN Print: 978-1-567000-268-3

ISBN Online: 978-1-56700-351-2