2011•Journal of Chuxiong Normal UniversityRequires access

The assurance of hydraulic retention time on disposing wastewater of hybrid membrane bioreactor

Fan Guang-sheng

Abstract

The article proposes to treat with municipal wastewater based on the hybrid membrane bioreactor.Hydraulic retention time(HRT) can be controlled for 7h by optimization of running conditions,and comprehensive consider of nitrogen and phosphorus removal efficiency and economic factors.At that time,the average COD,NH3-N,TN and TP removal rate are as high as 96.28%,97.54%,74.87% and 74.34%,and the average COD,NH3-N,TN and TP of effluent are as low as 14.35mg/L,0.74mg/L,9.02mg/L and 1.05mg/L.

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Key concepts: Hydraulic retention time, Membrane bioreactor, Effluent, Wastewater, Retention time, Bioreactor, Pulp and paper industry, Phosphorus