Donata Dubber, a PhD student with the Water Technology Research Group, has just published a paper on the effect of anoxia and anaerobia on ciliate communities in BNR systems. The key outputs of the study were: (i) aeration conditions play a major role in how protozoan communities develop; (ii) activated sludge ciliates display different tolerances to anoxia/anaerobia; (iii) short times of anoxia enhance protozoan community complexity; (iv) with anaerobic conditions protozoan community complexity and abundances decrease; and finally (v) to ensure optimum performance lengths of anaerobia should be as short as possible. The research is funded by Science Foundation Ireland.
The full reference is: Dubber, D. and Gray, N.F. (2011) The effect of anoxia and anaerobia on ciliate community in biological nutrient removal systems using laboratory-scale sequencing batch reactors (SBRs). Water Research, 45, (6), 2213-2226. doi:10.1016/j.watres.2011.01.015
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