Pengaruh Dosis Koagulan Dan Waktu Pengendapan Pasca Flokulasi Dalam Pengolaha…

SUMMARY The Maredan clay is a relatively new clay of concern to the field of research. Maredan natural clay contained Al2O3 26.186% and Fe2O3 6.452%, and it’s potential as a source of liquid coagulant. Liquid coagulant was obtained by clay calcination stage at 700oC for 1 hour and leaching process using H2SO4 0,2 mol at 100oC for 2 hours. Liquid coagulant was analyzed levels of Al3+ and Fe…