Synthesis and Characterization of Biochar and Nano-Biochar Composites Derived from Biomass (Colutea cilicica) for the Removal of Cationic Dyes from Aqueous Solutions. The Eurasia Proceedings of Science, Technology, Engineering and Mathematics, [S. l.], v. 38, p. 423–432, 2025. DOI: 10.55549/epstem.1241. Disponível em: https://epstem.net/index.php/epstem/article/view/1241. Acesso em: 18 jan. 2026.