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Title

Natural Attenuation of fluorene and pyrene in contaminated soils and assisted with hydroxypropyl-B_cyclodextrin. Effect of co-contamination.

AuthorsMadrid Díaz, Fernando ; Millán Ordóñez, Elena; Rubio Bellido, Marina ; Villaverde Capellán, J. ; Morillo González, Esmeralda
Issue Date4-Oct-2016
PublisherUniversidad de Santiago de Compostela
Citation9th European Conference on Pesticides and Related Organic Micropollutants in the Environment and 15th Symposium on Chemistry and Fate of Modern Pesticides (2016)
AbstractThe objective of the present paper was to investigate the mutual effect of the PAHs fluorene and pyrene on their respective biodegradation and dissipation processes on an agricultural soil, and the effect of hydroxypropyl-ß-cyclodextrin (HPBCD), used to increase their bioavailabity, on such processes. Fluorene dissipation was mainly due to abiotic processes, although a small biodegradation was also observed. Fluorene bioavailability did not increase in the presence of HPBCD. On the contrary, pyrene dissipation mainly depended on biotic factors, with endogenous soil microorganisms capable to degrade it. In this case, the presence of HPBCD increased pyrene biodegradation rate. Co-contamination of the soil with both PAHs did not affect fluorene evolution, but inhibited substantially pyrene biodegradation.
DescriptionPóster presentado en el 9th European Conference on Pesticides and Related Organic Micropollutants in the Environment and 15th Symposium on Chemistry and Fate of Modern Pesticides 4 al 7 de Octubre de 2016 en Santiago de Compostela (España)
URIhttp://hdl.handle.net/10261/159401
Identifiersisbn: 978-84-945958-1-3
Appears in Collections:(IRNAS) Libros y partes de libros
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