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dc.contributor.authorRodgers, Michael
dc.contributor.authorHealy, Mark G.
dc.contributor.authorPrendergast, John
dc.identifier.citationRodgers, M., Healy, M.G., Prendergast, J. 2006. Nitrification in a vertically moving biofilm system. Journal of Environmental Management 79(3): 242-246.en_US
dc.description.abstractA laboratory continuous feed biofilm reactor, comprising a bulk fluid reactor, a biofilm plastic module, a feed tank, pneumatic devices and controls, was operated for a total period of 257 days, including seeding time, to treat domestic-strength synthetic wastewater under increasing ammonium nitrogen (NH4+-N) loading rates, ranging from 0.17±0.01 kg m-3 d-1 (0.71±0.06 g m-2 d-1) to 0.70±0.02 kg m-3 d-1 (2.9±0.1 g m-2 d-1). The biofilm plastic module was moved vertically in and out of the wastewater in continuous cycles. The maximum NH4+-N removal rate was reached during the maximum loading phase, when a NH4+-N loading rate of 0.70±0.02 kg m-3 d-1 (2.9±0.1 g m-2 d-1) was applied to the system. During this loading period, the average NH4+-N removal rate was 0.30±0.10 kg m-3 d-1 (1.30±0.40 g m-2 d-1).en_US
dc.publisherJournal of Environmental Managementen_US
dc.subjectCivil Engineeringen_US
dc.subjectBiological nitrogen removalen_US
dc.subjectVertically moving biofilm systemen_US
dc.subjectWastewater treatmenten_US
dc.titleNitrification in a vertically moving biofilm system.en_US
dc.contributor.funderCoffey Construction Ltd., Athenry, Co. Galway.en_US

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