Potable water treatment plant and method of maintaining same

摘要: A package plant for treating raw water to yield potable water. The includes an inlet water, followed by ozonator disinfecting the Next is provided up flow roughing filter including a chemically active layer, on top. slow sand follows, which sized and shaped promote growth of biomass purification. removes particulates, contributes removal dissolved organics, protects removing disinfection residuals. In another aspect method maintaining provided, washing draining down through it, providing vigorous agitate top then filter.