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Abstract：
The abundance and diversity of anammox bacteria was investigated in two pilot-scale integrated fixed-film activated sludge (IFAS) reactors treating high ammonium wastewater. Reactor A was inoculated with nitrifying sludge, while Reactor B was inoculated with suspended anammox sludge with the dominant anammox bacteria of Candidatus ＇Kuenenia＇. After 180 days＇ operation, the predominate anammox bacteria was Candidatus ＇Brocadia＇ (65%) in the biofilm, while Candidatus ＇Kuenenia＇ (86%) outcompeted with other anammox bacteria in suspended sludge in Reactor A. Candidatus ＇Kuenenia＇ were dominated in suspended sludge through the entire experiment in Reactor B. In contrast, the predominated species shifted from Candidatus ＇Kuenenia＇ (89%) into Candidatus ＇Brocadia＇ (66%) in the biofilm of Reactor B. This study indicated that Candidatus ＇Brocadia＇ preferred to grow in the biofilm, while Candidatus ＇Kuenenia＇ would dominant over other anammox bacteria in the suspended sludge. Further studies are required to identify the internal factors affecting the distribution of anammox bacteria. (C) 2016 Elsevier Ltd. All rights reserved.
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BIORESOURCE TECHNOLOGY
ISSN： 0960-8524
Year： 2016
Volume： 211
Page： 273-279
1 1 . 4 0 0
JCR@2022
ESI Discipline： BIOLOGY & BIOCHEMISTRY;
ESI HC Threshold：238
CAS Journal Grade：1
Cited Count：
WoS CC Cited Count： 70
SCOPUS Cited Count： 81
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 6
