Three cateqories of boiler are conunonly used in power-qeneration The various types of residues are qenerated. Fiqure 12 is a residual-flow diaqram showinq staqes where Previously1 however, some of the ash constituents miqht be dissolved in

The quantities of wastewater in contact with coal-derived traceĮlements are small in comparison with those of other waste streams noted Â¢ flue-qas desulfurization (FGD) sludqe resultinq from the removal Â¢ fly ash, captured in emission-control devices and/or emitted to Residues from coal-fired power-qeneration plants in qeneral can be Zinc mobilized by coal use are quite small, in each instance equivalent Product mobilization, amounts of chromium, copper, lead, nickel, and Mobilization of antimony, cadmium, fluorine, mercury, and molybdenumįrom coal use is 3 to 6 percent of the amounts mobilized in the form of Respectively, of those mobilized by industrial and consumer products. The amounts ofīoron, barium, and cobalt mobilized are 39, 22, and 17 percent, Mobilized throuqh industrial and consumer products. Mobilized throuqh coal use are one to two times qreater than those

Show that the amounts of beryllium, lithium, selenium, and vanadium Industrial and consumer products, are presented in Table 15. Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages.Įstimated total amounts of trace elements mobilized in the environmentįrom coal use in 1975, compared with those mobilized in the form of

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