![]() ![]() The vertical flow type sedimentations tanks are generally in circular shape and flow takes place in vertical direction. The maximum permissible velocity in this case is 0.3m/sec. Because they need to flow more distance to settle all suspended particles. These tanks generally in rectangular shape. The flow may be either in horizontal direction or vertical direction. During this flow, suspended particles are settle at the bottom of the tank. ![]() Flow always takes place but with a very small velocity. In this case, water is not allowed to rest. So, one complete action of sedimentation requires 30-40 hours in case of fill and draw type sedimentation tank. After 24 hours, the water is discharged through outlet. In that time, the suspended particles are settled at the bottom of the tank. In case of fill and draw type sedimentation tank, water from inlet is stored for some time. Secondary tank Types of Sedimentation Tanks based on Methods of Operation Fill and Draw Type Sedimentation Tank Types of Sedimentation Tanks based on Locationĭepending upon various factors sedimentation tanks are classified as follows.ī.Types of Sedimentation Tanks based on Shape.Horizontal flow type sedimentation tank.Continuous Flow Type Sedimentation Tank.Types of Sedimentation Tanks based on Methods of Operation.
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