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Start-up and long-term operation of the Anammox process in a fixed bed reactor (FBR) filled with novel non-woven ring carriers

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期刊论文
First Author:
Wang, Tao
Correspondence Author:
Zhang, HM (reprint author), Dalian Univ Technol, Sch Environm & Biol Sci & Technol, MOE, Key Lab Ind Ecol & Environm Engn, Dalian 116024, Peoples R China.
Co-author:
Zhang, Hanmin,Yang, Fenglin,Li, Yifei,Zhang, Guangyi
Date of Publication:
2013-04-01
Journal:
CHEMOSPHERE
Included Journals:
SCIE、EI、PubMed
Document Type:
J
Volume:
91
Issue:
5
Page Number:
669-675
ISSN No.:
0045-6535
Key Words:
Anammox; FBR; Non-woven ring carrier; Semi-quantitative FISH
Abstract:
A novel kind of non-woven ring carriers was used to improve a fixed bed reactor (FBR) as Anammox reactor. The improved FBR was operated for about 1 year. The Anammox activity occurred on day 39. On day 367, the maximum total nitrogen removal rate reached 9.2 kg N m(-3) d(-1). FISH analysis showed that Anammox bacteria predominated in the mature sludge and accounted for 78% of the total bacteria. Phylogenetic analysis further showed that Candidatus Kuenenia stuttgartiensis occupied 70% of Anammox bacteria, which benefited keeping the stability of Anammox reactor. The FBR was proved to be a suitable reactor for start-up and long-term operation of Anammox process. Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.

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