ORIGINAL RESEARCH
Treatment of Mixed Chemical Wastewater
by a Two-Stage A/O Process for Elimination
of COD Nitrogen and Toxic Matters
Ping Du1, 2, Wenhong Li1, 3, Zhiwei Liang1, Yingxu Chen1, 3, Shangyuan Yang1,
Fuping Yan1
Pol. J. Environ. Stud. 2013;22(1):85-91