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Filtration Systems
The surface water contains suspended particles, organic matters etc. To remove suspended particles, the deep bed Filters are used with two different grade of filter sand are used. This helps the. various sizes of suspended particles at various levels. Therefore the pressure drop across the filter bed is less compared to the standard conventional sand filters. The dust holding capacity of the bed depth is more as the two different type of sa.nd create more voids due to different sizes but fine size sand is held between the voids and give fine filtration.
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