The introduction of Activated Sludge Models No. 1 (ASM1) in the early 1980s has led to a decade-long experience in applying these models and demonstrating their maturity for the wastewater treatment ...
Activated sludge process is widely applied in wastewater treatment plants (WWTPs) because of low investment, high treatment efficiency and strong adaptability 1. It is reported that about 50% of WWTPs ...