Bench scale study of moving bed biofilm reactor application as pre-treatment of raw water for water treatment plant (Case study: Pesanggrahan River)Rhefa Fauza Setiani, Setyo Sarwanto Moersidik and Sandyanto AdityosulindroMATEC Web Conf., 270 (2019) 04009DOI: https://doi.org/10.1051/matecconf/201927004009