Expulsion of cadmium from a simulated wastewater using CKD as adsorbent: Optimization with isotherm study. Periodicals of Engineering and Natural Sciences, [S. l.], v. 9, n. 2, p. 998–1015, 2021. DOI: 10.21533/pen.v9.i2.802. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/802. Acesso em: 30 apr. 2026.