FUNGARO, Denise Alves; BRUNO, Mariza. Utilization of zeolites synthesized from coal ash for methylene blue removal from water. Orbital: The Electronic Journal of Chemistry, [S. l.], v. 1, n. 1, p. 49–63, 2008. Disponível em: https://periodicos.ufms.br/index.php/orbital/article/view/15446. Acesso em: 22 jan. 2026.