The coking wastewater effluent used in this study was obtained from an activated sludge system based on anaerobic–anoxic–oxic (A2/O) process located in Magang Steel Factory in Ma’anshan, China. The effluent quality of the A2/O process is shown in
The coking wastewater effluent used in this study was obtainedfrom an activated sludge system based on anaerobic–anoxic–oxic(A2/O) process located in Magang Steel Factory in Ma’anshan,China. The effluent quality of the A2/O process is shown in