EFFECT OF ADSORPTION CONDITIONS ON THE REMOVAL OF LEAD (II) USING SEWAGE SLUDGE AS ADSORBENT MATERIAL. Journal of Engineering and Sustainable Development, [S. l.], v. 26, n. 3, p. 1–9, 2022. DOI: 10.31272/jeasd.26.3.1. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/923.. Acesso em: 28 apr. 2024.