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This paper discusses the integration of a submerged attached growth bioreactor (SAGB) with hollow fiber membrane microfiltration (MF) to meet the reuse requirements for a small onsite wastewater treatment plant. The use of a SAGB for biological nitrogen removal provides a system with a small foot print which is due to the ability of the system to operate with high concentrations of biomass. In addition, the Amphidrome® SAGB is constructed in concrete tanks, all below grade. The biological nutrient removal (BNR) process, upstream of the microfiltration process, produces a high quality feed water to the MF unit. This allows for higher flux rates through the membrane unit and therefore, a reduced total membrane area requirement. The coupling of the two separate technologies provides an economical option for wastewater treatment plants subject to stringent effluent limits.

Document Type: Research Article


Publication date: 2005-01-01

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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 These proceedings are not peer reviewed.

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