What flow velocity should piping from flocculators to sedimentation basins achieve?

The appropriate flow velocity for piping from flocculators to sedimentation basins is typically between 0.5 to 1.5 feet per second. This range ensures that the flocculated material remains in suspension for an adequate time during the transition to the sedimentation basin. If the flow velocity is too low, there is a risk that the floc may settle prematurely, which can reduce the efficiency of the sedimentation process. Conversely, if the velocity is too high, it can lead to excessive turbulence, disrupting the settling process and compromising the quality of the treated water.

The specified range strikes a balance, allowing for efficient transport while maintaining the integrity of the flocculent material, which is critical for achieving optimal sedimentation results in water treatment processes.