Evaluation of Oxygen Transfer Efficiency via Off-gas Testing at Full Scale Integrated Fixed film Activated Sludge Installation

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Abstract:

A study was conducted to investigate the impact of plastic carrier media used in processes such as integrated fixed film activated sludge (IFAS) in a full-scale wastewater treatment plant. Offgas analysis was performed on a full-scale IFAS train and compared with a parallel conventional activated sludge (CAS) train. On the basis of tests performed in both the IFAS and CAS systems, a reasonable comparison was established and the average process water standard oxygen transfer efficiency (SOTEpw) for the IFAS and CAS systems were computed. An alternative comparison of SOTEpw values within the IFAS system between cells without any carrier media and cells with carrier media yields values that are comparable suggesting that carrier media have little or no affect on oxygen transfer efficiencies when the aeration systems are operated identically.

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864708788804900

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 These proceedings are not peer reviewed.

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