Low temperature thermal degradation of PCDD/Fs in soil using nanosized particles of zerovalent iron and CaO
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Título: | Low temperature thermal degradation of PCDD/Fs in soil using nanosized particles of zerovalent iron and CaO |
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Autor/es: | Lundin, Lisa | Moltó Berenguer, Julia | Fullana, Andres |
Grupo/s de investigación o GITE: | Residuos, Pirólisis y Combustión |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Ingeniería Química |
Palabras clave: | PCDD/F | Nanosized zerovalent iron | Degradation | Thermal treatment | Contaminated soil |
Área/s de conocimiento: | Ingeniería Química |
Fecha de publicación: | may-2013 |
Editor: | Elsevier |
Cita bibliográfica: | Chemosphere. 2013, 91(6): 740-744. doi:10.1016/j.chemosphere.2013.02.021 |
Resumen: | This study investigated the degradation of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) in contaminated soil using low temperature treatment (200–280 °C) both alone and in combination with nanosized zerovalent iron (nZVI) particles or CaO. Control soil samples and soil fortified with nZVI particles or CaO were treated at 200 and 250 °C in sealed glass ampoules. Treatment of the ampouled samples at 250 °C was more effective than treatment at 200 °C and the reduction in PCDD/F concentration was greatest when soil was treated at 250 °C with nZVI addition (indeed, treatment at 200 °C in the absence of nZVI resulted in increases in total PCDD and PCDD/F concentrations). In larger-scale experiments based on the obtained results, using a rotary furnace, the greatest reduction in total PCDD/F concentration was achieved by treating soil at 280 °C, and adding nZVI to the soil resulted in almost no detectable PCDD/F in the gas phase. |
Patrocinador/es: | Support for this work was provided by the Generalitat Valenciana (Spain: Grant Nos. Prometeo/2009/043/FEDER and ACOM2010/075), the Spanish Ministry of Science and Technology (Grant No. CTQ2008-05520), and the J. Gust. Richert Memorial Fund (financial support for Dr. Lisa Lundin while at the University of Alicante). |
URI: | http://hdl.handle.net/10045/40238 |
ISSN: | 0045-6535 (Print) | 1879-1298 (Online) |
DOI: | 10.1016/j.chemosphere.2013.02.021 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Revisión científica: | si |
Versión del editor: | http://dx.doi.org/10.1016/j.chemosphere.2013.02.021 |
Aparece en las colecciones: | INV - REMAN - Artículos de Revistas INV - I4CE - Artículos de Revistas |
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2013_Lundin_etal_Chemosphere_final.pdf | Versión final (acceso restringido) | 294,81 kB | Adobe PDF | Abrir Solicitar una copia |
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