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Failure and Subsequent Restoration of EBPR Capability of a Small Community Wastewater Treatment Plant

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This paper reports a case study involving investigation of the possible reasons for the occasional loss of phosphorus removal capability over a 2–3 year period at a small community wastewater treatment plant in Wisconsin. From a thorough analysis of the operating data, microscopy of the biomass and literature search the possible reasons for the failure were identified as long operating SRT and low influent pH. Remedial measures were taken and the enhanced biological phosphorus removal capability was restored.

Document Type: Research Article


Publication date: January 1, 2008

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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 These proceedings are not peer reviewed.

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