Biochar Used as Low-Cost Adsorbent for Aqueous Heavy Metal Removal: A Review Paper . International Journal of Innovative Research in Computer Science & Technology, [S. l.], v. 8, n. 1, p. 42–46, 2020. Disponível em: https://acspublisher.com/journals/index.php/ijircst/article/view/13358.. Acesso em: 23 jul. 2024.