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Comprehensive Approach for the Evaluation of Rectangular Primary Clarifiers at the F. Wayne Hill Water Resources Center

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Abstract:

The primary clarifiers at the F. Wayne Hill Water Resources Center have historically experienced sustained periods of poor performance with very low TSS and BOD removal rates. This paper describes a comprehensive approach developed to evaluate the performance of these units that included: evaluation of historical data and sampling locations, two special sampling events, and two-dimensional and three-dimensional Computational Fluid Dynamics (CFD) modeling. The paper summarizes the data collected during the field sampling events and the CFD modeling results. The impact of operational and physical modifications on primary removal are also presented and discussed. Overall, the results demonstrate that under the appropriate operational strategies and physical modifications, the performance of the existing clarifiers can be improved considerably.

Keywords: Computational Fluid Dynamics; Field Sampling; Primary Settling Tanks

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864711802765796

Publication date: January 1, 2011

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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 These proceedings are not peer reviewed.

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