Functional microbial community composition analysis in the laboratory-scale stable partial nitrifying-ANAMMOX municipal wastewater reactor

doi:10.7523/j.issn.2095-6134.2012.1.006

Abstract

Abstract:

A partial nitrification-ANAMMOX reactor system for domestic wastewater was set up, and the composition of N-related functional bacteria in the activated sludge were studied. During the stable period, the TN removal rate reached to about 80%. In the partial nitrification system, the dominant AOB is Nitrosomonas europaea/Nitrosococcus mobilis cluster-like bacteria, and the dominant NOB are Nitrobacter vulgaris-like bacteria and Nitrospira defluvii-like bacteria. In the anammox reactor, Kuenenia stuttgartiensis-like bacteria is the dominant anammox bacteria. Numerous members of proteobacteria, Chloroflexi, and Bacteroidetes/Chlorobi phylum are found to co-exist with anammox bacteria.

Key words: partial nitrification, anammox, ammonium oxidation bacteria (AOB), nitrite oxidation bacteria (NOB)

CLC Number:

WANG Hui, YI Peng, ZHANG Shu-Jun, LIU Yan-Ping, TAO Ying, ZHOU Jun, LIU Xin-Chun. Functional microbial community composition analysis in the laboratory-scale stable partial nitrifying-ANAMMOX municipal wastewater reactor[J]. , 2012, 29(1): 38-46.

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