Oria-Usifo, E.E. 2026. THE COMBINED ADSORPTION POTENTIAL OF BANANA AND ORANGE PEELS FOR HEAVY METAL AND HYDROCARBON REMOVAL FROM OILFIELD PRODUCED WATER: AN OPTIMIZED AND SUSTAINABLE APPROACH. International Journal of Renewable Energy and Environment. 4, 2 (Jul. 2026), 420–441. DOI:https://doi.org/10.5281/.