Influence of C/N Ratio on SND and Microbiological Analysis in Catching Bed Biofilm Reactor Using Acrylic Resin Fiber as Carrier Materials in Civil Engineering

Yan Zhang; Zheng Yang Yang; Li Li Wang; Xu Ying Zhao; Huan Guang Liu; Min Zhu

doi:10.4028/www.scientific.net/AMR.568.89

Paper Titles

Exploration of the Strategies in Civil Engineering to the Safety Evaluation and Reinforcement Technique of Wood Structure of Ancient Architecture in Huizhou
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Test of Solidification Characteristics of Grouting and the Effect on Strata Deformation in Shield Tunnelling
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Seismic Damage Analysis and the Study of Reinforcement Measures for RC Frame Structure Building in Civil Engineering
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Influence of C/N Ratio on SND and Microbiological Analysis in Catching Bed Biofilm Reactor Using Acrylic Resin Fiber as Carrier Materials in Civil Engineering
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 568Influence of C/N Ratio on SND and Microbiological...

Influence of C/N Ratio on SND and Microbiological Analysis in Catching Bed Biofilm Reactor Using Acrylic Resin Fiber as Carrier Materials in Civil Engineering

Abstract:

In this study, effect of C/N ratio on denitrification were investigated using four sets of parallel catching bed reactors, which were using acrylic resin fiber (ARF) as carrier materials. The results indicate that this process which was used in wastewater treatment of civil engineering can get better COD and nitrogen removing performance. NH4+-N removal rate reduced with the increasing of C/N ratio, and the average removal rate of COD and the total nitrogen (TN) increased when C/N ratio is increased. When C/N ratio exceeded 12, TN removal rate has no obvious growing. Meanwhile, fluorescent in situ hybridization (FISH) analysis indicated that the biomass in the biofilm were much richer than which in the suspension, and the ammonia oxidizing bacteria have a easy access to be dominant bacterial community in lower C/N ratio.

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Periodical:

Advanced Materials Research (Volume 568)

Pages:

89-93

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.568.89

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Online since:

September 2012

Authors:

Yan Zhang, Zheng Yang Yang, Li Li Wang, Xu Ying Zhao, Huan Guang Liu, Min Zhu

Keywords:

C/N, Carrier Materials, Fish, Microorganism, Wastewater Treatment

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