Tuesday, June 26, 2012

Activated Sludge Foaming - New Publication

PhD student Martin Fryer and Professor Nick Gray of the Water Technology Research Group, based in the Centre for the Environment have published a new and precise method for estimating foam development in full scale aeration tanks in wastewater treatment plants. Foaming is a major problem in the operation of activated sludge treatment which is a biological process that treats 90% of wastewater in the developed world. The new methodology opens up the possibility of better foam prediction allowing more time for operators to prevent problematic foam occurring; as well as now being able to measure the effect of remedial action. The foaming Scum Index (FSI) has been presented in the latest issue of the Journal of Environmental Management.

Fryer, M. and Gray, N.F. (2012) Foaming Scum Index (FSI) – A new tool for the assessment and characterization of biological mediated activated sludge foams. Journal of Environmental Management , 110, 8-19. Doi:10.1016/j.jenvman.2012.05.009

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