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DENITRIFICATION WITH CARBON ADDITION – KINETIC CONSIDERATIONS

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Abstract:

The Blue Plains AWTP uses methanol as an external carbon source in a post-denitrification process to achieve low effluent total nitrogen concentrations. This becomes more difficult in winter at lower mixed liquor temperatures and higher flows, as a consequence of the kinetic behavior of the methanol-utilizing heterotrophs. The paper reports on an experimental batch test study conducted on Blue Plains post-denitrification sludge to investigate (a) the maximum specific growth rate of methanol-utilizing heterotrophs (μMETH); (b) the temperature dependency of the growth rate; and (c) the efficacy of alternate substrates (ethanol, acetate, sugar). A limited number of tests were conducted on sludge from two other treatment plants with methanol addition.

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864707787976975

Publication date: January 1, 2007

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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 These proceedings are not peer reviewed.

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