Show simple item record

dc.contributor.authorHealy, Mark G.
dc.contributor.authorRodgers, Michael
dc.identifier.citationHealy, M.G., Rodgers, M., Burke, P. (2011) 'Quantification of biofilm build-up in filters when intermittently loaded with low-strength synthetic wastewater'. Desalination, 271 (1-3):105-110.en_US
dc.descriptionJournal articleen_US
dc.description.abstractAccumulation of particulate matter and microorganisms present in wastewater as biofilm on the surface of filters can lead to clogging of the media. If clogging of filters occurs, they need to be temporarily decommissioned before they can be operated again. The mechanisms causing clogging may only be delineated through destructive sampling of a filter. The aim of this study was to characterise the build-up of biofilm in the upper layer below the surface of polishing filters intermittently loaded with effluent from a novel horizontal flow biofilm reactor used for the treatment of domestic-strength wastewater. Three filter media were used: crushed glass, sand, and a shallow podzolized soil. The parameters used to measure biofilm build-up were: soil water retention, total phosphorus (Tot-P) content and loss on ignition (LOI). The LOI and Tot-P deposition near the filter surface were lowest in the glass filters. Soil water retention curves indicated that biofilm formation mainly occurred in the uppermost 0.03 m depth below the filter surface and gradually decreased with depth. This indicates that measurements of volumetric water content using time domain reflectrometry probes may be used as an in situ proxy for measurements that would normally require the destructive sampling of a filter.en_US
dc.subjectHorizontal flow biofilm reactoren_US
dc.subjectScanning electron microscopyen_US
dc.subjectSurface cloggingen_US
dc.subjectSoil water characteristic curveen_US
dc.titleQuantification of biofilm build-up in filters when intermittently loaded with low-strength synthetic wastewateren_US
dc.local.contactMark Healy, Dept. Of Civil Engineering, Room E210, Civil Engineering Building, Nui Galway. 5364 Email:

Files in this item

Attribution-NonCommercial-NoDerivs 3.0 Ireland
This item is available under the Attribution-NonCommercial-NoDerivs 3.0 Ireland. No item may be reproduced for commercial purposes. Please refer to the publisher's URL where this is made available, or to notes contained in the item itself. Other terms may apply.

The following license files are associated with this item:


This item appears in the following Collection(s)

Show simple item record