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Sewage sludge thermal utilization leads to production of fly ash and APC residues which may contain elevated amounts of some metallic or toxic elements (Fe, Zn, Pb, Sn, Au, Hg, Cd, As). Distribution of these elements in studied fly ash and APC residues was unequal and dependent on their melting temperature. Metals in fly ash are present as Fe-rich grains and rims around Si-glass whereas in APC metallic...
Municipal solid waste incineration residues from one of the Polish incineration plants were sampled to characterize the distribution of metallic elements among them. Those elements previously dispersed within the waste mass, as a result of incineration processes were unequally distributed to bottom ash (BA), fly ash (FA) and air pollution control residues (APC) due to their physical properties, form...
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