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The Prestige oil spill. 2. Enhanced biodegradation of a heavy fuel oil under field conditions by the use of an oleophilic fertilizer

AutorJiménez, Núria; Viñas, Marc; Sabaté, Jordi; Díez Salvador, Sergi; Bayona Termens, Josep María; Solanas, Anna M.; Albaigés Riera, Joan
Palabras clavePrestige Oil Spill
Enhanced biodegradation
Heavy fuel
Field conditions
Fecha de publicación10-mar-2006
EditorAmerican Chemical Society
CitaciónEnvironmental Science & Technology 40(8): 2578-2585 (2006)
ResumenA field bioremediation assay using the oleophilic fertilizer S200 was carried out 10 months after the Prestige heavy fuel-oil spill on a beach of the Cantabrian coast (North Spain). The field survey showed that S200 significantly enhanced the biodegradation rate, particularly of high molecular weight n-alkanes, alkylcyclohexanes, and benzenes, and alkylated PAHs, paralleling the results previously found in vitro. The most significant molecular bioremediation indicators were the depletion of diasteranes and C-27 sterane components. Enhanced isomeric selectivity was also observed within the C1-phenanthrenes and dibenzothiophenes. Through the analysis of some target aliphatic and aromatic hydrocarbons a number of chemical indicators for assessing the efficiency of field bioremediation as well as identifying the source of highly weathered samples collected in the area after the spill are defined.
Descripción8 pages, 7 figures, 3 tables.-- PMID: 16683595 [PubMed].-- Printed version published Apr 15, 2006.
First paper of the Prestige oil spill series available at: http://digital.csic.es/handle/10261/11027
Versión del editorhttp://dx.doi.org/10.1021/es052370z
ISSN0013-936x (Print)
1520-5851 (Online)
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