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Pragmatic Nitrification Inhibition Testing for Robust Plant Design

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Three cases where nitrification rate testing was conducted to assess nitrification inhibition issues at municipal wastewater treatment plants are presented. The testing methods used were specific nitrification rate (SNR) batch tests and the WERF Low F/M protocol (WERF, 2003). In the first case SNR testing was used to locate the source of an intermittent industrial input causing a temporary complete loss of nitrification in a municipal treatment plant. In the second case, SNR testing was used to assess the impact of a known industrial input to one train of a municipal wastewater treatment plant. In the third case, the Low F/M protocol was extended to include long-term oxygen utilization rate monitoring to screen a plant's influent for potential transient inhibition.

Document Type: Research Article


Publication date: January 1, 2012

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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 These proceedings are not peer reviewed.

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