Abstract
Concentrations of 38 elements in brown coal, bottom ash and size fractionated ESP coal ash from the Belchatów I Power Plant were determined by INAA. Based on enrichment factors calculated relatively to iron and average crustal rock composition as a function of particle size the elements are grouped into three classes: Group I, elements that show little or no enrichment in the small particles /Na, Mg, Al, K, Sc, Ti, Mn, Co, Rb, Cs, Ba, La, Ce, Sm, Eu, Lu, and Th/; Group II, elements whose enrichment increases greatly with decreasing particle size /Cl, Zn, As, Se, Br, Cd, Sb, and I/; and Group III, elements whose behaviour is intermediate to that of elements in Group I and II /Ca, V, Cr, Ni, Cu, Ga, Sr, Mo, In, W, and Au/.
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Tomza, U., Kaleta, P. Trace elements in brown coal and its products of combustion. Journal of Radioanalytical and Nuclear Chemistry Letters 107, 1–10 (1986). https://doi.org/10.1007/BF02333256
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DOI: https://doi.org/10.1007/BF02333256