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Environmental concern elements in coal and coal combustion residues

Authors : Debasree Saha and Tarit Roychowdhury



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Abstract

Feed coals of studied thermal power plants contain several environmental concern elements (Cu, Cd, Cr, Pb). Enrichment in concentration of these elements in fly and bottom ash takes place during combustion. Combustion residues containing these elements are a potential source for ecological disrupt. Controlled emission technology and discarding process of ashes in power plants are vital from environmental aspect. Appropriate and secure recycling of ashes is a good alternative of its disposal for financial moreover environmental benefit.

Schematic diagram for clean energy generation

 

Keyword

Coal, coal combustion residues, environmental concern elements.