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CANON process for nitrogen removal from effluents of municipal sewage treatment plants

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Abstract

The feasibility and performance of nitrogen removal from municipal sewage were investigated through the completely autotrophic nitrogen removal over nitrite (CANON) process in a continuous reactor. CANON process was successfully started up with the transformation of nitrogen into gas by mass-balance analysis. For the synthetic wastewater (up to 480 mg NH4 +-N/(L · d)), removal rates of the ammonia nitrogen and total nitrogen (TN) were about 80% and 55%, respectively, at 1.25 h hydraulic retention time (HRT). For the secondary effluent of municipal sewage, the effluent concentrations of NH4 +-N and TN were below 5 mg/L and 9 mg/L, respectively. It is in accordance with the water quality standard for scenic environment with the reuse of urban recycling water (GB/T 18921-2002).

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Authors and Affiliations

  1. College of Environmental Science and Engineering, Nankai University, Tianjin, 300071, China

    Xinhong Peng  (彭新红), Libo Wu  (吴立波), Hongbing Yu  (于宏兵), Lina Ai  (艾丽娜) & Lixia Fu  (付丽霞)

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  1. Xinhong Peng  (彭新红)
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  2. Libo Wu  (吴立波)
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  3. Hongbing Yu  (于宏兵)
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  4. Lina Ai  (艾丽娜)
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  5. Lixia Fu  (付丽霞)
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Corresponding author

Correspondence to Hongbing Yu  (于宏兵).

Additional information

Supported by National Natural Science Foundation of China (No. 50308012 and No.21107053); National Science & Technology Program of China (No.2012ZX07501002).

Peng Xinhong, born in 1981, female, doctorate student.

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Peng, X., Wu, L., Yu, H. et al. CANON process for nitrogen removal from effluents of municipal sewage treatment plants. Trans. Tianjin Univ. 19, 255–259 (2013). https://doi.org/10.1007/s12209-013-1966-z

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  • DOI: https://doi.org/10.1007/s12209-013-1966-z

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