Remediation of polychlorinated biphenyls (PCBs) and heavy metals via sustainable removal techniques
The escalating pollution by polychlorinated biphenyls (PCBs) and heavy metals highlights the urgency of finding sustainable remediation methods. Our research therefore aimed to investigate sorption and phytoremediation techniques. Our results indicate the necessity of a complex geochemical survey in contaminated areas. In the most affected sites, we suggest the use of activated charcoal, optimal for both PCBs (98.14%), and heavy metals, alongside ferric oxide, and zeolite. Additionally, we advise the use of hyperaccumulators, Glycine Max, Medicago sativa, and Festuca arundinacea. Contaminants impair chlorophyll content and biophysical parameters, but we recorded an abundance of anthocyanins and flavonoids. Inquiry of PCBs biodegradation and the dechlorination pathways is in progress.
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