Study on the Performance Efficiency of A2/O Humic Activated Sludge System Operating in Low Temperature

Jun Yin; Lei Wu; Yu Juan Yu; Ju Kui Zhang; Ke Zhao; Wang Cui; Lei Yu

doi:10.4028/www.scientific.net/AMR.281.187

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Study on the Performance Efficiency of A²/O Humic Activated Sludge System Operating in Low Temperature

Abstract:

In this article, analysis the A²/O humic activated sludge system phosphorus removal efficiency and COD_Cr removal efficiency at 5°C, 10°C and 25°C. The results show that A²/O humic activated sludge system phosphorus removal rate when the influent temperature is above 10°C maintained at 86.1% ~ 97.5% performed high phosphorus removal efficiency. But at 5°C the system’s phosphorus removal efficiency decreased to 58.31% couldn’t get the sewage discharge standard. The variation of influent temperature had little influence on the removal efficiency of COD_Creven at 5°C performed high removal efficiency.

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Periodical:

Advanced Materials Research (Volume 281)

Pages:

187-190

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.281.187

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Online since:

July 2011

Authors:

Jun Yin, Lei Wu, Yu Juan Yu, Ju Kui Zhang, Ke Zhao, Wang Cui, Lei Yu

Keywords:

A²/O Humic Activated Sludge System, COD_Cr Removal Efficiency, Operating in Low Temperature, Phosphorus Removal Efficiency

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References

[1] YIN Jun: Start-up of A2/O humic activated sludge system phosphorus removal efficiency analysis (Advanced Materials Research VoL. 113-116, 2010).

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[3] WU Chengqiang: Effect of operating Temperature on Characteristics of Activated Sludge(China Water & Wastewater 2003 VoL. 19).

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[4] LI Nan: PERFORMANCE AND REMOVAL APPROACHES OF BIOLOGICAL PHOSPHORUS REMOVAL FROM WASTEWATER IN SBR UNDER LOW TEMPERATURE (D) Harbin Institute of Technology(2010).

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