Response Surface Optimisation of a Magnetic Activated Carbon Fixed-Bed Column for Chromium and Lead Removal from Wastewater. BAYERO JOURNAL OF ENGINEERING AND TECHNOLOGY, [S. l.], v. 21, n. 3, p. 80–91, 2026. DOI: 10.67607/3khghf12. Disponível em: https://bjet.ng/index.php/jet/article/view/233. Acesso em: 21 sep. 2026.