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Characterization of municipal solid waste incineration residues from facilities with different air pollution control systems
Alba, N; Gassó Domingo, Santiago; Lacorte Avila, M. Teresa; Baldasano Recio, José María
Universitat Politècnica de Catalunya. Departament de Ciència dels Materials i Enginyeria Metal·lúrgica; Universitat Politècnica de Catalunya. POLYCOM - Polimers i compòsits: tecnologia
Municipal Solid Waste incinerator residues produced in two types of facilities were exhaustively characterized: granulometry, mineralogy, chemical composition, leaching behavior, and elemental distribution as a function of particle size. Air Pollution Control (APC) residues coming from a semi-dry scrubber have shown higher solubility than fly ashes originating in an Electrostatic Precipitator (ESP), as well as higher contents in volatile metals (Cd, Hg). Different metal speciation and distribution as a function of particle size have been found in fly ashes (ESP residues) and APC residues. In APC residues, heavy metals (with the exception of Hg) show a parabolic distribution with maxima in the smallest and largest particles, following the same profile as soluble salts. Metal distribution for APC residues exhibits that metals generally are not associated with silicate aluminate matrix. Results show the effect of adding lime to APC residues in metal speciation and distribution.
Peer Reviewed
Àrees temàtiques de la UPC::Desenvolupament humà i sostenible
Integrated solid waste management
Municipal solid waste incinerator residues
Residus sòlids urbans -- Incineració
info:eu-repo/semantics/publishedVersion
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