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Fungal Bioremediation of Creosote-Treated Wood: A Laboratory Scale Study on Creosote Components Degradation by Pleurotus ostreatus Mycelium


A bioremediation system for creosote-treated wood is proposed, based on the detoxifying capability of Pleurotus ostreatus, a ligninolythic fungus. Non-sterilized chipped contaminated wood was mixed at various ratios with wheat straw on which Pleurotus mycelia was grown. At 1:2 initial ratio contaminated wood:wheat straw, chemical analyses demonstrated an almost complete degradation of creosote oil components after 44 days, also confirmed by a significant reduction of ecotoxicity. Lower ratios, i.e. higher amount of contaminated wood, lower system efficiency, although a better creosote degradation was obtained by a stepped up wood addition.

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Correspondence to C. M. Polcaro.

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Polcaro, C.M., Brancaleoni, E., Donati, E. et al. Fungal Bioremediation of Creosote-Treated Wood: A Laboratory Scale Study on Creosote Components Degradation by Pleurotus ostreatus Mycelium. Bull Environ Contam Toxicol 81, 180–184 (2008).

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  • Creosote-treated wood
  • PAH
  • Bioremediation
  • Basidiomycetes