Microbial Community Structures and Dynamics in the O 3 /BAC Drinking Water Treatment Process

Jian Tian, Jun Lu, Yu Zhang, Jian-Cheng Li, Li-Chen Sun and Zhang-Li Hu
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Jian Tian: 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
Jun Lu: 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
Yu Zhang: 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
Jian-Cheng Li: 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
Li-Chen Sun: 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
Zhang-Li Hu: 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

IJERPH, 2014, vol. 11, issue 6, 1-10

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: ?-Proteobacteria , ?-Proteobacteria , ?-Proteobacteria, Bacteroidetes , Actinobacteria Firmicutes and Cyanobacteria . ?-Proteobacteria and ?-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, ?-Proteobacteria , which is a class of medically important bacteria, was well controlled by the O 3 /biological activated carbon (BAC) treatment, resulting in improved effluent water bio-safety.

Keywords: drinking water; advanced treatment; bacteria; microbial community structures (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2014
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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