ORIGINAL RESEARCH
Influential Factors on Activated Sludge
Deterioration in Anoxic-Oxic (A/O) Biological
Treatment of Coking Wastewater
Chun-hui Zhang, Hai-dong Hu, Jun Chen, Wen-wen Zhang, Yuan-jie Guo, Ke Ning
Pol. J. Environ. Stud. 2013;22(6):1877-1880