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Water Sci Technol. 2004;50(3):49-55.

Common stresses affecting activated sludge health and performance--what the four-assay set can tell us.

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1
Paprican, Boul St-Jean, Pointe Claire, QC H9R 3J9, Canada. farchibald@paprican.ca

Abstract

Previously, we developed a novel biological early warning (BEW) system for directly monitoring the health and performance of activated sludge, the "four-assay set". In the present work, the four-assay set has been used to measure the effects of four common stresses on activated sludge biomass: high temperature; pH; anoxia; and starvation. The results demonstrate both the utility of the Paprican four-assay set as a biomass-evaluating and BEW tool, and the tolerances of a typical kraft mill activated sludge for these four stresses.

PMID:
15461398
[Indexed for MEDLINE]
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