Design Calculation Updated — Stp

Sizing Rule: Usually of the total daily flow, providing an HRT of 8 to 12 hours.

$$HLR = \fracADFA$$

The BOD5 removal efficiency is calculated based on the influent and effluent BOD5 concentrations. stp design calculation

After aeration, the water enters a clarifier (sedimentation tank) for solid-liquid separation. Sizing Rule: Usually of the total daily flow,