Reduction of COD and BOD concentration in lake water of universitas indonesia with microbial desalination cell system and utilizing bio charcoal as electrodeHidayati Istiqomah, Putri Anggun Puspitarini, Putty Ekadewi, Tania Surya Utami, Rita Arbianti and Heri HermansyahE3S Web Conf., 67 (2018) 01011DOI: https://doi.org/10.1051/e3sconf/20186701011