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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.descriptionJournal articleen_US
dc.description.abstractA laboratory continuous feed biofilm reactor, comprising a bulk fluid reactor, a biofilm plastic module, a feed tank, and 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 (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)). (c) 2005 Elsevier Ltd. All rights reserved.en_US
dc.relation.ispartofJournal of Environmental Managementen
dc.subjectBiological nitrogen removalen_US
dc.subjectVertically moving biofilm systemen_US
dc.subjectWastewater treatmenten_US
dc.titleNitrification in a vertically moving biofilm systemen_US
dc.identifier.doiDOI 10.1016/j.jenvman.2005.07.003
dc.local.contactMark Healy, Dept. Of Civil Engineering, Room E210, Civil Engineering Building, Nui Galway. 5364 Email:

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