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Experiences from MBBR Post-Denitrification Process in Long-term Operation at two WWTPs

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Moving Bed Biological Reactor (MBBR) is an expanding technology for post-denitrification at wastewater treatment plants (WWTPs). In Malmö, Sweden, the municipal wastewater is treated at Sjölunda and Klagshamn WWTPs, both equipped with MBBR processes for postdenitrification since over a decade. The two MBBRs have different operational strategies, adjusted to different requirements and different main plant configuration. The long-term operational results and experiences presented here, show differences in specific load, denitrification rate, carbon dosage, nitrite formation, phosphorus load and condition of carrier material and biofilm appearance.

Keywords: Carbon source; MBBR; WWTP; nitrite; phosphorus; post-denitrification

Document Type: Research Article


Publication date: January 1, 2010

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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 These proceedings are not peer reviewed.

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