Table 7 Operational conditions of Muharram Aisha WWTP after optimization processes.

From: Simulation study of a practical approach to enhance cadmium removal via biological treatment by controlling the concentration of MLSS

Parameter

Value

Flowrate (Q)

13,000 m3/day

Sludge retention tank (SRT)

28 days

Hydraulic retention time (HRT)

10 h

Mix liquor suspended solid (MLSS)

4500 mg/L

Food/microorganism (F/M) ratio

0.09 kg BOD/kg MLVSS day

Dissolved oxygen (DO)

2–3 mg/L

Return activated sludge (RAS)

100%

Sludge volume index (SVI)

110 mL/g