Table 3: The organic treatment efficiency of landfill leachate by aerobic activated sludge process.

ProcessesCOD of leachateRemoval rateReference

SBR1348 mg/lCOD 80%–85%
BOD 99%
[23]
SBR1040 mg/L–4870 mg/LCOD 70%[24]
MBR2200 mg/LCOD 60%[25]
MBR5445 mg/LCOD 98.1%–99.25%[26]
AO2000 mg/L–3000 mg/LCOD 40%[17]