Sand filter

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Water after being treated by this machine can meet the requirement of drinking water standard with turbidity less than 5mg/l. Filtering layer in pressure filter helps cleanse water by removing suspended particles, coagulum, sand, iron, Mn. and colloidal particles that is difficult to be eliminated by ways of precipitation. Suspended particles and solids in industrial waste water can also be well removed. There are two ways for water inlet: Single-layer filter is suitable for water with turbidity over 100mg/l, raw water that hasn’t been coagulation-precipitated (reduce filter speed or circulating period for water with higher turbidity), add coagulant before water flows into this filter; Multi-layer filter is suitable for precipitated water with turbidity between 15-20mg/l. Filtering media are quartz filter, active carbon filter and fiber ball filter etc.