Global current research status and latest development trends in the biochemical treatment stage of petrochemical wastewater treatment are summarized,focusing on process,equipment,and control method.In the light of the nonlinear,time-varying,and lagging characteristics of wastewater treatment processes,various factors affecting the change in dissolved oxygen concentration in aeration tanks are analyzed.The effects of various control algorithms,such as Proportional-Integral-Differential(PID)control,fuzzy control,model predictive control,and neural network control,as well as their combined application in the optimal control of dissolved oxygen concentration are expounded.
petrochemical wastewaterdissolved oxygen concentrationoptimization control
NETL
NSTL
万方数据
