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|Title:||Biological filtration for the removal of algal metabolites from drinking water|
|Citation:||Water Science and Technology: Water Supply, 2006; 6(2):153-159|
|Publisher:||I W A Publishing|
|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.|
|Appears in Collections:||Earth and Environmental Sciences publications|
Environment Institute Leaders publications
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