Impact of Different Carbon Sources on Phosphorus Removal in (AO)2SBR System

Hui Yang; Ji Gang Yang; Meng Zhao

doi:10.4028/www.scientific.net/AMR.955-959.231

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 955-959Impact of Different Carbon Sources on Phosphorus...

Impact of Different Carbon Sources on Phosphorus Removal in (AO)²SBR System

Abstract:

This paper aims to study the impact of different carbon sources on phosphorus removal after the (AO)²SBR system was started successfully. Four kinds of carbon resources were used in sequence experiments to observe the impact of different carbon resources on phosphorus release at anaerobic condition, uptake aerobic condition, uptake anoxic condition and phosphorus removal of the (AO)²SBR system. And the carbon sources are sodium acetate, sodium propionate, glucose, sodium acetate + sodium propionate separately. The experiment result shows that the phosphorus release and uptake of active sludge at anaerobic/aerobic/anoxic condition was preferable with sodium acetate as carbon source. And the phosphorus removal rate of (AO)²SBR system and TP concentration in the effluent were 95% and under 0.5mg·L^-1 respectively. The phosphorus removal rate of (AO)²SBR system was only 60% with glucose as carbon resource. This study concluded that it is beneficial for the biological phosphorus removal to choose organics with short carbon chain, such as sodium acetate as carbon source.

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Periodical:

Advanced Materials Research (Volumes 955-959)

Pages:

231-234

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.955-959.231

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Online since:

June 2014

Authors:

Hui Yang, Ji Gang Yang*, Meng Zhao

Keywords:

(AO)²SBR, Biological Phosphorus Removal, Carbon Source, DPB

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