Sequential extraction partitioning of trace and nutrient elements in ashes from biomass firing district heating plants
1 Environmental Process Engineering Laboratory, Institute of Chemical Process Fundamentals, Academy of Sciences of the Czech Republic, v. v. i., Rozvojová 135/2, 165 02 Prague 6 Suchdol, Czech Republic
2 Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcká 129, 165 21 Prague 6, Czech Republic
Four different ashes from three district heating plants firing biomass were studied with the respect to their potential application as soil fertilizers. Major and trace elements content and some important characteristics of the studied ashes are also presented. Five stage sequential extraction procedure was used for the determination of distribution and speciation of As, Ca, Cd, Cr, Cu, K, Mg, Na, Ni, Pb and Zn in studied ash samples.
Key words: Heavy metals / ashes / biomass / sequential extraction
© Owned by the authors, published by EDP Sciences, 2013
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