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Contribution To Environmental Protection By Reducing Pollutants Emissions During Municipal Solid Wastes Incineration

Journal: International Journal of Scientific & Technology Research (Vol.3, No. 1)

Publication Date:

Authors : ; ; ; ; ; ; ; ;

Page : 315-323

Keywords : Index Terms Incineration; modeling; municipal solid wastes; pollutants; thermal treatment; turbulent regime; radiative transfer.;

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Abstract

Abstract The purpose of this study is to contribute to environmental protection by reducing pollutants emission during municipal solid waste incineration. This paper presents the mathematical model for predicting the thermal treatment of the fumes produced by the combustion of municipal solid waste in turbulent regime before discharge into the atmosphere. Forced turbulent equations associated to radiative transfer equation are proposed and solved. The standard k-epsilon model was used for the modeling of the turbulence phenomena in the incinerator. The turbulence-chemistry interaction is depicted by Eddy-Dissipation model. Discrete ordinate method is used for the modeling of the radiative heat transfer. The equations are solved using an implicit scheme based on the finite volume method. The results show that the thermal treatment process is more efficient with low Reynolds number. The radiative transfer intensifies convective transfers and increases the temperature of the smoke. This transfer mode enhances the thermo destruction process effectiveness.

Last modified: 2014-08-17 18:48:53