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Slow sand filter

This video shows the working of slow sand filter and its efficiency of filtration and filtration rate. This is a slow sand filter ppt which defines slow sand filter and its process. The slow sand filter is more efficient for the removal of bacteria and dirt. The video discuses about the coefficient of uniformity for slow sand filter and rate of filtration of slow sand filter and its flow rate. The slow sand filter come in the group of gravity filters as it works through the gravitational force and is also called as slow sand gravity filter. The advantage of slow sand filter over rapid sand filter is the efficiency of filtration and less cleaning of filter required. The video also shows the schematic diagram of slow sand filter with all its parts.