HUSSAIN AL-JANABI , A. O. The Enhancement of Heavy Metal Adsorption from Wastewaters: Nano-Modifications, Biochar, Biomass Modification, Modifications by Metal Ions and Technique Using Organic-Inorganic Polymers. Journal of Current Medical Research and Opinion, [S. l.], v. 9, n. 05, p. 4817–4837, 2026. DOI: 10.52845/CMRO/2026/9-5-4. Disponível em: https://cmro.in/index.php/jcmro/article/view/1185. Acesso em: 29 may. 2026.