Environmental pollution caused by industrial discharge and agricultural runoff presents a serious ecological challenge, necessitating sustainable remediation strategies aligned with circular bioeconomy principles. This study evaluates the combined application of microbial consortia and green-synthesized nanoparticles for the remediation of heavy metal- and hydrocarbon-contaminated soils. Indigenous microbial strains were isolated, identified, and developed into a consortium comprising efficient degraders. Simultaneously, plant-mediated synthesis of metal oxide nanoparticles was performed and characterized. Batch experiments conducted over 30 days revealed significant enhancement in remediation efficiency, with 72% degradation of petroleum hydrocarbons and 65% removal of heavy metals such as lead and cadmium. Improvements in soil nutrient content and microbial biomass indicated ecological restoration. Additionally, treated biomass showed potential for biofertilizer production, supporting circular bioeconomy goals. The findings highlight an integrated, eco-friendly approach for sustainable waste management and resource recovery.
Pranali Wasate (Fri,) studied this question.
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