Please use this identifier to cite or link to this item: https://doi.org/10.2166/ws.2008.106
Title: Biofilm control using chlorine-based disinfectants in model drinking water distribution systems
Authors: Hu, J.Y. 
Fang, W.
Yu, B.
Keywords: Biofilm
Disinfection
Drinking water distribution system
Free chlorine
Monochloramine
Silver ion
Issue Date: 2008
Citation: Hu, J.Y.,Fang, W.,Yu, B. (2008). Biofilm control using chlorine-based disinfectants in model drinking water distribution systems. Water Science and Technology: Water Supply 8 (5) : 489-497. ScholarBank@NUS Repository. https://doi.org/10.2166/ws.2008.106
Abstract: Model distribution systems (annular reactors) were operated to investigate the biofilm disinfection efficacies of three disinfectants: free chlorine, monochloramine and combination of free chlorine and silver ion. Biofilm cell number, coverage and structure were examined. At the same dosages, monochloramine showed the poorest biofilm disinfection efficiency compared to free chlorine and combination of free chlorine and silver ion. 40 μg/l of Ag+ showed positive effect to both two dosages of chlorine (0.5 mg/l and 1 mg/l) to disinfect biofilm bacteria. In addition, combinations of free chlorine and silver ion were found to achieve the highest biofilm coverage reduction, while monochloramine showed the least biofilm removal. Biofilm structure could also be affected by different testing agents. © IWA Publishing 2008.
Source Title: Water Science and Technology: Water Supply
URI: http://scholarbank.nus.edu.sg/handle/10635/87464
ISSN: 16069749
DOI: 10.2166/ws.2008.106
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