Pemanfaatan lumpur instalasi pengolahan air minum IPAM sebagai koagulan pendukung dalam proses koagulasi flokulasi sedimentasi (studi kasus: intalsasi pengolahan air minum (IPAM) Cibinong, PDAM Tirta Kahuripan, Bogor ) = Utilization of sludge from water treatment plant (WTP) as coagulant aid in coagulation flocculation sedimentation processes (case study: WTP Cibinong, PDAM Tirta Kahuripan, Bogor )