Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 458, Issue -, Pages 169-175Publisher
ELSEVIER
DOI: 10.1016/j.scitotenv.2013.04.030
Keywords
Model distribution system; Sphingomonas; Chlorine resistant; UV disinfection
Categories
Funding
- National Nature Science Foundation of China [50778096]
Ask authors/readers for more resources
This study describes the identification and characterization of a new chlorine resistant bacterium, Sphingomonas TS001, isolated from a model drinking water distribution system. The isolate was identified by 16s rRNA gene analysis and morphological and physiological characteristics. Phylogenetic analysis indicates that TS001 belongs to the genus Sphingomonas. The model distribution system HPC results showed that, when the chlorine residual was greater than 0.7 mg L-1, 100% of detected heterotrophic bacteria (HPC) was TS001. The bench-scale inactivation efficiency testing showed that this strain was very resistant to chlorine, and 4 mg L-1 of chlorine with 240 mm retention time provided only approximately 5% viability reduction of TS001. In contrast, a 3-tog inactivation (99.9%) was obtained for UV fluencies of 40 mJ cm(-2). A high chlorine-resistant and UV sensitive bacterium, Sphingomonas TS001, was documented for the first time. (C) 2013 Elsevier B.V. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available