Study on Domestic Sewage Treatment with Rotating Biological Contactor

Fang Li; Zeng Lu Qi

doi:10.4028/www.scientific.net/AMM.178-181.376

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 178-181Study on Domestic Sewage Treatment with Rotating...

Study on Domestic Sewage Treatment with Rotating Biological Contactor

Abstract:

This paper adopted a 3-stage rotating biological contactor (RBC), while the operating parameters could be controlled properly, this kind of RBC can obtain better removal effect in domestic sewage treatment. At 25oC, when hydraulic retention time (HRT) is 4h ,6h,8h,10h and 12h ,removal rate of COD is 65.14%,86.10%,89.82%,85.93% and 78.58%.HRT fixes on 8h, removal rate of NH3 –N is 75% after adjusting alkalinity. When rotating rate of RBC is 4,6,8,10,12 and 14 r/min, the removal rate of TN is 53.88%,56.78%,60.03%,58.49%,55.32% and 54.87%.RBC also has a good removal efficiency of TP and obtains the removal rate of TP 45%.There is good prospect in domestic sewage treatment with RBC.

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Periodical:

Applied Mechanics and Materials (Volumes 178-181)

Pages:

376-379

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.178-181.376

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Online since:

May 2012

Authors:

Fang Li, Zeng Lu Qi

Keywords:

Domestic Sewage, HRT, RBC, Removal Rate of COD

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