Bioresource Technology 249 (2018) 1062–1065 Contents lists available at ScienceDirect Bioresource Technology journal homepage: www.elsevier.com/locate/biortech Short Communication Rapid nitriﬁcation process upgrade coupled with succession of the microbial community in a full-scale municipal wastewater treatment plant (WWTP) ⁎ ⁎ Fang Liu, Xiaomin Hu , Xin Zhao , Huixuan Guo, Yan Zhao, Binhui Jiang Department of Environmental Engineering, School of Resource and Civil Engineering, Northeastern University, Shenyang 110819, China GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: Bioaugmentation was used to upgrade the nitriﬁcation process in a full-scale municipal WWTP with an A /O Nitriﬁcation system. A mixture of nitrifying bacteria was inoculated into the bioreactor for a ﬁnal concentration of 1% (v/v). Bioaugmentation The upgrade process took 25 days, and the NH -N removals reached 94.6% (increased at least by 75%). The Full-scale municipal WWTP + eﬄuent concentrations of COD and NH -N stabilized at < 30 mg/L and < 4 mg/L even when the corre- Nitrifying bacteria mixture sponding inﬂuent concentrations were over 300 mg/L and 60 mg/L, which met the ﬁrst-class requirement of the Microbial community structure National Municipal Wastewater Discharge Standards of China (COD≤ 50 mg/L, NH -N≤ 5 mg/L). The suc- cession of the microbial
Bioresource Technology – Elsevier
Published: Feb 1, 2018
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