Badania geochemiczne węgli z pokładów warstw wałbrzyskich i białokamieńskich Zagłębia Wałbrzyskiego

Abstract

GEOCBEMICAL INVESTIGATIONS OF COALS FROM SEAMS OF THE WAŁBRZYCH AND BIAŁY KAMIEŃ BEDS IN THE WAŁBRZYCH BASINThe geochemical investigations of coals from the Wałbrzych and the Biały Kamień beds of the Wałbrzych basin were based on the results of complete chemical analyses of coal ashes and on the contents of trace elements such as Cu, Ag, Sn, Ni, Co, Cr, Mo, V, Pb, Zn, Ge, Ga and In.In the coal ashes investigated, a great changes were stated both in occurrences of main components and of trace elements. From the results of K2O determinations and from the value of Na2O:K2O ratio, the coefficients have been obtained, differencing the Wałbrzych seams from the Biały Kamień ones. On the basis of the characteristic concentrations of some trace elements the coal seams were parallelized, or groups of coal seams were distinguished.With the exception of V, Ga and Sn, the concentration coefficients of remaining trace elements have shown a multiple increase of these latter in the coal ashes studied, in relation to their average contents in the sedimentary rocks. According to the values of concentration coefficients, the elements have been arranged in a following succession: Pb>Ag>Mo>Zn>Cu>Ge>Co>Cr>Ni>V>Ga>Sn.