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Type: Journal article
Title: Biological filtration for the removal of algal metabolites from drinking water
Author: Ho, L.
Hoefel, D.
Aunkofer, W.
Meyn, T.
Keegan, A.
Brookes, J.
Saint, C.
Newcombe, G.
Citation: Water Science and Technology: Water Supply, 2006; 6(2):153-159
Publisher: I W A Publishing
Issue Date: 2006
ISSN: 1606-9749
Editor: Ng, H.Y.
Hu, J.
Statement of
L. Ho, D. Hoefel, W. Aunkofer, T. Meyn, A. Keegan, J. Brookes, C. Saint and G. Newcombe
Abstract: Biological sand filters were assessed for their ability to remove geosmin, 2-methylisoborneol (MIB) and microcystin-LR. Microcystin-LR was the most readily degradable metabolite with a maximum lag period of only 5 days before it was undetected in the filter effluent. Geosmin and MIB were difficult to degrade, with a period in excess of 75 days before greater than 95% removal was achieved. A microcystin-degrading gene was detected in the biofilm from one of the filters, confirming that the biofilm possessed the ability to degrade microcystin. A Sphingomonas sp. was identified as a potential geosmin degrader based on denaturing gradient gel electrophoresis (DGGE) analysis. DGGE analysis revealed a more complex bacterial community during the degradation of MIB, suggesting that more than one bacterium may be responsible for its degradation.
DOI: 10.2166/ws.2006.064
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Appears in Collections:Aurora harvest 5
Earth and Environmental Sciences publications
Environment Institute Leaders publications

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