reverse osmosis unit 1) Desalt rate>99.5% 2) Maintain product ... suspended matter, organic matter, colloid and so on3. Carbon filter--Odor, free chloride, organic matter, harmful matter and so ... water treatment includes pre-treatment for sand filter, active carbon filter, softener, micron filter, and the main membrane filtration for Reverse ... feed water 7)Wastewater treatment,ect. reverse osmosis unit