Osarieme Uyi Osazuwa*; Prayer Osarugue Omorefe; Raphael Ehizogie Ehizokhale; Osamudiamhen Oiwoh; Joy Ehimwenma Ossai and Osagie Alex Osadolor 2025. A Comparative and Optimization Study for Efficient Heavy Metals (Pb and Cu) Removal Using Keratin-Based Coconut Coir Activated Carbon Composite. Journal of Energy Technology and Environment. 7, 1 (Mar. 2025), 38–51. DOI:https://doi.org/10.5281/zenodo.15015758.