... from the reaction, flocculating, settling, mud collecting, water harvesting, water distribution, filtration, recoil, sewage and a series of ... causes the Reaction body above 3mm, because water quality, water changing is applicability, the resident time is short ... : Mixed→flocculation→precipitation→filter→waterBackwash Start: backwash water tank→siphon System→filter layerBackwash End: siphon controller ...