Elemental enrichment in unburned carbon during coal combustion in fluidised-bed power stations. The effect of the boiler output

Abstract

Attention was paid to effect of boiler output on trace element (As, Ni, Cr, Cu, Zn, Ge, Sn, Sb, W, Co, Br, Se, Cl, V, and Pb) enrichment/depletion in unburned carbon related to coal and bottom ash at two Czech fluidized-bed power stations combusting bituminous coal and lignite together with limestone owing to desulphurisation of emissions.