Removal of Methylene blue from aqueous solution by bioadsorption onto Ricinus communis epicarp Activated Carbon. Chemical Engineering Research Bulletin, [S. l.], v. 13, n. 1, p. 1–5, 2009. DOI: 10.3329/cerb.v13i1.2518. Disponível em: https://www.banglajol.info/index.php/CERB/article/view/2518. Acesso em: 28 jun. 2026.