Detection of selected pathogenic bacteria during oxidation ditch wastewater treatment

doi:10.7523/j.issn.1002-1175.2013.01.007

Abstract

Abstract:

Indicator bacterium E. coli and pathogenic bacteria Salmonella and Legionella were detected during the wastewater treatment of oxidation ditch, using SYBR I Real-time quantitative PCR. The detected amount of E.coli was 10⁸ copies/mL and decreased by 2 orders of magnitude eventually. In the initial stages, the amount of Salmonella ranged from 10² to 10³ copies/mL but was eliminated or reduced to undetectable level eventually. The amount of Legionella was detected to be 10-10² copies/mL in the sample of activated sludge. However, the amount of Legionella in the effluent samples was detectable and similar to those in the influent samples, which ranged from 10⁴ to 10⁵ copies/mL.

Key words: oxidation ditch, pathogenic bacteria, real-time quantitative PCR

CLC Number:

X172

LIN Yu-Xin, ZHANG Zhen-Nan, XU Ya-Hui, LI Juan, LIU Xin-Chun. Detection of selected pathogenic bacteria during oxidation ditch wastewater treatment[J]. , 2013, 30(1): 40-46.

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