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Int. J. Environ. Res. Public Health 2014, 11(6), 6281-6290; doi:10.3390/ijerph110606281

Microbial Community Structures and Dynamics in the O3/BAC Drinking Water Treatment Process

1
Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, Shenzhen Engineering Laboratory of Marine Algal Biotechnology, College of Life Science, Shenzhen University, Shenzhen 518060, China
2
Faculty of Health & Environmental Sciences, and Institute of Biomedical Technology, Auckland University of Technology, Auckland 1142, New Zealand
Trainee from the Division of Life Science, Sun Yat-Sen University, Guangzhou 510275, China
*
Author to whom correspondence should be addressed.
Received: 21 April 2014 / Revised: 30 May 2014 / Accepted: 30 May 2014 / Published: 16 June 2014
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Abstract

Effectiveness of drinking water treatment, in particular pathogen control during the water treatment process, is always a major public health concern. In this investigation, the application of PCR-DGGE technology to the analysis of microbial community structures and dynamics in the drinking water treatment process revealed several dominant microbial populations including: α-Proteobacteria, β-Proteobacteria, γ-Proteobacteria, Bacteroidetes, Actinobacteria Firmicutes and Cyanobacteria. α-Proteobacteria and β-Proteobacteria were the dominant bacteria during the whole process. Bacteroidetes and Firmicutes were the dominant bacteria before and after treatment, respectively. Firmicutes showed season-dependent changes in population dynamics. Importantly, γ-Proteobacteria, which is a class of medically important bacteria, was well controlled by the O3/biological activated carbon (BAC) treatment, resulting in improved effluent water bio-safety. View Full-Text
Keywords: drinking water; advanced treatment; bacteria; microbial community structures drinking water; advanced treatment; bacteria; microbial community structures
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Tian, J.; Lu, J.; Zhang, Y.; Li, J.-C.; Sun, L.-C.; Hu, Z.-L. Microbial Community Structures and Dynamics in the O3/BAC Drinking Water Treatment Process. Int. J. Environ. Res. Public Health 2014, 11, 6281-6290.

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