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Journal of Hazardous Materials
Vol. 278, 2014; Page: 189 - 202

Phytoremediation and bioremediation of polychlorinated biphenyls (PCBs): State of knowledge and research perspectives

Laura Passatore, Simona Rossetti, Asha A. Juwarkar, Angelo Massacci

Institute of Agro-environment and Forest Biology (IBAF), National Research Council (CNR), Via Salaria Km 29.300, 00015 Monterotondo (Rome), Italy.

Abstract

This review summarizes the bioremediation and phytoremediation technologies proposed so far to detoxify PCB-contaminated sites. A critical analysis about the potential and limits of the PCB pollution treatment strategies by means of plants, fungi and bacteria are elucidated, including the new insights emerged from recent studies on the rhizosphere potential and on the implementation of simultaneous aerobic and anaerobic biodegradation processes.

The review describes the biodegradation and phytoremediation processes and elaborates on the environmental variables affecting contaminant degradation rates, summarizing the amendments recommended to enhance PCB degradation. Additionally, issues connected with PCB toxicology, actual field remediation strategies and economical evaluation are discussed.

Keywords: Polychlorinated biphenyls; Phytoremediation; Bioremediation; PCB; Biodegradation


 

 

 
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