Performance of Floating wetland to reduce the organic matter in river water Nopi Stiyati Prihatini, Andy Mizwar, Rony Riduan, Chairul Irawan and Yulian Firmana Arifin MATEC Web Conf., 280 (2019) 05013 Published online: 08 May 2019 DOI: 10.1051/matecconf/201928005013