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A platform for research: civil engineering, architecture and urbanism
Bacterial Cell Monitoring in Wastewater Treatment Plants by Flow Cytometry
The activated sludge process is performed by a variable and mixed community of microorganisms in an aerobic aquatic environment, in which bacteria constitute the majority and represent the main microorganisms responsible for the degradation process in a plant. In this work, we monitored bacterial charge in different wastewater treatment plants by flow cytometry, also evaluating chlorination effects on bacterial viability, both by flow cytometry and traditional plate counts. Maximum values of bacterial charge were registered in the aeration tank of all plants monitored. Cell viability did not show significant differences (p > 0.05) in samples collected in “before chlorination” and “wastewater effluent” treatment steps; this suggests that the chlorination was not able to decrease total viable bacterial charge. In this work, we discuss the need to improve microbiological analyses, both in terms of measuring other potential pathogens and of using new methodological approaches in the traditional evaluation of the microbiological quality of effluents.
Bacterial Cell Monitoring in Wastewater Treatment Plants by Flow Cytometry
The activated sludge process is performed by a variable and mixed community of microorganisms in an aerobic aquatic environment, in which bacteria constitute the majority and represent the main microorganisms responsible for the degradation process in a plant. In this work, we monitored bacterial charge in different wastewater treatment plants by flow cytometry, also evaluating chlorination effects on bacterial viability, both by flow cytometry and traditional plate counts. Maximum values of bacterial charge were registered in the aeration tank of all plants monitored. Cell viability did not show significant differences (p > 0.05) in samples collected in “before chlorination” and “wastewater effluent” treatment steps; this suggests that the chlorination was not able to decrease total viable bacterial charge. In this work, we discuss the need to improve microbiological analyses, both in terms of measuring other potential pathogens and of using new methodological approaches in the traditional evaluation of the microbiological quality of effluents.
Bacterial Cell Monitoring in Wastewater Treatment Plants by Flow Cytometry
Manti, Anita (author) / Boi, Paola (author) / Falcioni, Tania (author) / Canonico, Barbara (author) / Ventura, Alessia (author) / Sisti, Davide (author) / Pianetti, Anna (author) / Balsamo, Maria (author) / Papa, Stefano (author)
Water Environment Research ; 80 ; 346-354
2008-04-01
9 pages
Article (Journal)
Electronic Resource
English
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