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A Comparison of Operating Issues and Dosing Requirements for Alternative Carbon Sources in Denitrification Filters

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The need for alternative supplemental carbon sources to support denitrification has been magnified during the past few years because of parallel nutrient reduction initiatives for the Chesapeake Bay and Long Island Sound. As a result, research into the use of alternative carbon sources is ongoing, including investigation into the impacts of different substrates on activated sludge denitrification kinetics as well as establishing the carbon requirements specific to each substrate. Denitrification filters are a popular add-on technology for meeting low nitrogen limits, and test results from several facilities suggest that there are some unique operating considerations associated with the use of different carbon sources. This paper presents denitrification filter data for several alternative carbon sources, and compares and contrasts the performance with methanol and theoretical values. This information was first presented by the authors in deBarbadillo et al., 2009.

Keywords: Acetic Acid; Alternative Carbon Sources; Denitrification Filters; Ethanol; Methanol; MicroCâ„¢

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864709793901743

Publication date: January 1, 2009

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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 These proceedings are not peer reviewed.

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