Novel honeycomb-like carriers, made of polypropylene, were applied to enhance biomass retention capacity so as to improve Anammox start-up performance in a fixed bed reactor (FBR). The reactor was operated for 3 months. On day 45, Anammox activity appeared. After 61 days' operation, the removal efficiencies of ammonium and nitrite were both over 91% based on 70 mg N L−1 of the influent ammonium and influent nitrite, indicating that a remarkable Anammox activity was attained. A final specific Anammox activity of 0.12 g NH4+-N gVSS−1 d−1 was reached (VSS: volatile suspended solids). The FBR showed a good capacity for resisting shock loading and was more able to resist shock loading of nitrogen concentration than resist hydraulic shock loading. Phylogenetic analysis showed that Candidatus Brocadia anammoxidans' and Candidatus Kuenenia stuttgartiensis' were detected in the mature biofilm, and Candidatus Brocadia anammoxidans' was the dominant Anammox strain. Candidatus Kuenenia stuttgartiensis' played a positive role in the reactor performance, as it could consumed nitrite quickly and efficiently so as to avoid an adverse effect of temporary nitrite accumulation. The results showed that the honeycomb-like carriers were suitable for start-up of Anammox.
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Research Article|
January 20 2016
Start-up performance of Anammox process in a fixed bed reactor (FBR) filled with honeycomb-like polypropylene carriers Available to Purchase
Tao Wang;
1Department of Environmental Engineering, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China E-mail: [email protected]
E-mail: [email protected]
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Boxiong Shen;
Boxiong Shen
1Department of Environmental Engineering, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China E-mail: [email protected]
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Sha Zhang;
Sha Zhang
1Department of Environmental Engineering, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China E-mail: [email protected]
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Zhiqiang Wang;
Zhiqiang Wang
1Department of Environmental Engineering, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China E-mail: [email protected]
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Li Tian
Li Tian
1Department of Environmental Engineering, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China E-mail: [email protected]
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Water Sci Technol (2016) 73 (8): 1848–1854.
Article history
Received:
June 15 2015
Accepted:
January 06 2016
Citation
Tao Wang, Boxiong Shen, Sha Zhang, Zhiqiang Wang, Li Tian; Start-up performance of Anammox process in a fixed bed reactor (FBR) filled with honeycomb-like polypropylene carriers. Water Sci Technol 27 April 2016; 73 (8): 1848–1854. doi: https://doi.org/10.2166/wst.2016.017
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