Research on Removal Effects of Pollutants by the (A/O)4 SBR Process

Kai Ji; Na Wei; Xiao Qing Yu; Li Ding; Jing Xiao

doi:10.4028/www.scientific.net/AMR.648.385

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 648Research on Removal Effects of Pollutants by the...

Research on Removal Effects of Pollutants by the (A/O)₄ SBR Process

Abstract:

The staged SBR is the process that divides aeration and sedimentation process of conventional SBR into several stages in time, and operates under the conditions of different stages of anaerobic/oxic/anoxic alternation. The experiment mainly discussed the five-stage SBR with useful volume of 12 L for nitrogen and phosphorous removal of synthetic municipal wastewater in the temperature ranges of 15~30°C. Tests revealed that under the condition of hydraulic retention time (HRT) is 8 hours and sludge retention time (SRT) is 15 day, the removal efficiency of COD, NH3-N, TN and TP can reach to 88.9%, 99.61%, 78.9% and 94.21%. The quality of effluent water is good, and don’t need to add Carbon Source through the experiment.

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Periodical:

Advanced Materials Research (Volume 648)

Pages:

385-388

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.648.385

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Online since:

January 2013

Authors:

Kai Ji, Na Wei, Xiao Qing Yu, Li Ding, Jing Xiao

Keywords:

Five-Stage SBR, Nitrogen Removal, Phosphorous Removal

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