The Adsorption of Copper by SBA-15-CPTMS Mesoporous for Water Remediation Donanta Dhaneswara, Farhan Delayori, Siti Utami, Falah Riski Kuskendrianto, Muhammad Hanif Abdurrahman and Jaka Fajar Fatriansyah E3S Web Conf., 65 (2018) 05007 Published online: 26 November 2018 DOI: 10.1051/e3sconf/20186505007