Removal of Zn+2 and Pb+2 from Wastewater by using Natural Nano Montmorillonites. Asian Journal of Engineering and Technology, [S. l.], v. 2, n. 5, 2014. Disponível em: https://ajouronline.com/index.php/AJET/article/view/1717. Acesso em: 17 feb. 2026.