1. Chemical cleaning of RO membranes fouled by wastewater effluent: Achieving higher efficiency with dual-step cleaning Ang, Wui Seng; Yip, Ngai Yin; Tiraferri, Alberto; Elimelech, Menachem 2011 Articles FoulingSewage--Purification--Reverse osmosis processMembranes (Technology)Environmental engineeringMolecular biology