Cultivation and Performance of Aerobic Granules in a Pilot Scale SBR to Treat Real Domestic Sewage

Authors: Tu, Xiang; Su, Ben-Sheng; Kong, Yun-Hua; Zhu, Jian-Rong

Source: Proceedings of the Water Environment Federation, Biofilms 2010 , pp. 95-102(8)

Publisher: Water Environment Federation

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Abstract:

It is possible to cultivate aerobic granule in pilot scale SBR system to treat typical domestic sewage (COD 180-350 mg·L^-1) by the means of high exchange ratio and feed loading control. The developed aerobic particles had an average diameter of 330 μm, SS 8.6 g·L^-1, SVI 32 ml·g^-1, OUR and SOUR 5.32 mg·min^-1·L^-1 and 0.67 mg·min^-1·g^-1, respectively. With development of aerobic granules, SBR system exhibited a very good operational performance, COD removal efficiency more than 95%, TN >80%, NH₄⁺-N >99% and TP >90-95%, respectively. These data demonstrated that aerobic granule could provide a good effluent quality to meet strict discharge requirements.

Keywords: aerobic granules; SBR technology; domestic sewage; pilot scale

Document Type: Research article

DOI: http://dx.doi.org/10.2175/193864710798208746

Publication date: 2010-01-01

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Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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