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Environmental eng. Sedimentation tanks A sedimentation tank has a depth of 3 meters. To ensure 100%...

Environmental eng.

Sedimentation tanks

A sedimentation tank has a depth of 3 meters. To ensure 100% particle removal given settling velocity 0.4 m/hr,

a) what is the minimum hydraulic retention time?

b) What is the minimum length of the sedimentation tank given a horizontal velocity 8 m/hr?

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