Influence of Geological Conditions during Peat Accumulation on Trace Element Affinities and Their Behavior during Peat Combustion

The Philippi peat, NE Greece, constitutes one of the largest fossil fuel deposits in the Balkans and its potential use for power generation cannot be ruled out in the future. In this study, the concentrations of 43 trace elements (Ag, As, Ba, Be, Bi, Cd, Ce, Co, Cr, Cs, Cu, Dy, Er, Eu, Ga, Gd, Ge, H...

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Bibliographic Details
Published in:Energy & fuels 2002-11, Vol.16 (6), p.1476-1482
Main Authors: Kalaitzidis, S, Christanis, K, Georgakopoulos, A, Fernández-Turiel, J. L, Papazisimou, S
Format: Article
Language:English
Subjects:
Applied sciences
Combustion of solid fuels
Combustion. Flame
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fuels
Peat
Theoretical studies. Data and constants. Metering
Wood. Peat. Brown coal
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Summary:The Philippi peat, NE Greece, constitutes one of the largest fossil fuel deposits in the Balkans and its potential use for power generation cannot be ruled out in the future. In this study, the concentrations of 43 trace elements (Ag, As, Ba, Be, Bi, Cd, Ce, Co, Cr, Cs, Cu, Dy, Er, Eu, Ga, Gd, Ge, Hf, Ho, La, Li, Mo, Nb, Nd, Ni, Pb, Pr, Rb, Sb, Sc, Sm, Sn, Sr, Ta, Tb, Th, U, V, W, Y, Yb, Zn, and Zr) in the 550 °C peat ashes are determined and related to the concentrations in the bulk peat, to evaluate the behavior of each element during combustion. Mineralogical analysis of the chemically oxidized peat samples revealed that clay minerals, feldspars, quartz, gypsum, and calcite are the dominant mineral phases. The behavior of the trace elements during combustion depends significantly on this mineral composition that, in turn, depends on the depositional conditions during peat accumulation.
ISSN:0887-0624
1520-5029
DOI:10.1021/ef0200673