Emissions of toxic pollutants from co-combustion of demolition and construction wood and household waste fuel blends

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Título: Emissions of toxic pollutants from co-combustion of demolition and construction wood and household waste fuel blends
Autor/es: Edo Giménez, María del Mar | Ortuño García, Nuria | Persson, Per-Erik | Conesa, Juan A. | Jansson, Stina
Grupo/s de investigación o GITE: Residuos, Energía, Medio Ambiente y Nanotecnología (REMAN)
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Ingeniería Química
Palabras clave: POPs | PCDD | RDF | Food waste | Pellet stove
Área/s de conocimiento: Ingeniería Química
Fecha de publicación: jul-2018
Editor: Elsevier
Cita bibliográfica: Chemosphere. 2018, 203: 506-513. doi:10.1016/j.chemosphere.2018.03.203
Resumen: Four different types of fuel blends containing demolition and construction wood and household waste were combusted in a small-scale experimental set-up to study the effect of fuel composition on the emissions of polychlorinated dibenzo-p-dioxins (PCDDs), dibenzofurans (PCDFs), biphenyls (PCBs), chlorobenzenes (PCBzs), chlorophenols (PCPhs) and polycyclic aromatic hydrocarbons (PAHs). Two woody materials, commercial stemwood (ST) and demolition and construction wood (DC) were selected because of the differences in their persistent organic pollutants (POPs), ash and metals content. For household waste, we used a municipal solid waste (MSW) and a refuse-derived fuel (RDF) from MSW with 5–20 wt% and up to 5 wt% food waste content respectively. No clear effect on the formation of pollutants was observed with different food waste content in the fuel blends tested. Combustion of ST-based fuels was very inefficient which led to high PAH emissions (32 ± 3.8 mg/kgfuel). The use of DC clearly increased the total PCDD and PCDF emissions (71 ± 26 μg/kgfuel) and had a clear effect on the formation of toxic congeners (210 ± 87 ng WHO2005-TEQ/kgfuel). The high PCDD and PCDF emissions from DC-based fuels can be attributed to the presence of material contaminants such as small pieces of metals or plastics as well as timber treated with chromated copper arsenate preservatives and pentachlorophenol in the DC source.
Patrocinador/es: The authors would like to acknowledge Bio4Energy, a strategic research environment appointed by the Swedish government, for supporting this work. Support for this work was also provided by the CTQ2013-41006-R and CTQ2016-76608-R projects from the Ministry of Economy and Competitiveness and the PROMETEOII/2014/007 project from the Valencian Community Government (Spain).
URI: http://hdl.handle.net/10045/74879
ISSN: 0045-6535 (Print) | 1879-1298 (Online)
DOI: 10.1016/j.chemosphere.2018.03.203
Idioma: eng
Tipo: info:eu-repo/semantics/article
Derechos: © 2018 Elsevier Ltd.
Revisión científica: si
Versión del editor: https://doi.org/10.1016/j.chemosphere.2018.03.203
Aparece en las colecciones:INV - REMAN - Artículos de Revistas

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