A STUDY ON ACTIVATION PROCESS OF RED MUD 1 TO USE AS AN ARSENIC ADSORBENT. ASEAN Engineering Journal, [S. l.], v. 1, n. 4, p. 66–72, 2010. DOI: 10.11113/aej.v1.15316. Disponível em: https://journals.utm.my/aej/article/view/15316.. Acesso em: 6 apr. 2025.