Innovative Use of Greensand Filter for Iron, Manganese, and Hydrogen Sulfide Removal as Pre-Treatment to Reverse Osmosis This presentation is available to AMTA Members only.Members Please LoginNot a Member? Consider joining AMTASpeakerDustin WhynmanCompanyCarollo EngineersEventAMTA/AWWA Membrane Technology Conference, KnoxvilleSessionAMTA/AWWA Membrane Technology ConferenceDate02/21/23MediaPDFReference-3017