Differentiate between slow sand filter and rapid gravity filter


Asked by admin @ in Environmental Sciences viewed by 210 People


Differentiate between slow sand filter and rapid gravity filter

Answered by admin @



Hi ❤

A flow of between 4 – 21 m/h can be expected from a rapid sand filter, which is somewhere between 20 and 50 times faster than the range of slow sand filtration. ... Pre-treatment is usually necessary for rapid sand filtration. Such treatment could include coagulation and flocculation, followed by sedimentation.


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