Removal of Copper Ions onto Walnut Shells by Using Batch and Continuous Fluidized Bed . Journal of Engineering, [S. l.], v. 19, n. 08, p. 978–991, 2013. DOI: 10.31026/j.eng.2013.08.04. Disponível em: https://joe.uobaghdad.edu.iq/index.php/main/article/view/2260.. Acesso em: 23 jul. 2024.