Security Consequences When Switching From Free Chlorine to Monochloramine Disinfectants
Source: Water Practice, Volume 1, Number 3, July 2007 , pp. 1-9(9)
Publisher: Water Environment Federation
Abstract:Switching to monochloramine as a residual disinfectant has been deemed to be an effective means to meet limits for disinfection byproducts (DBPs). Many municipalities have switched indicating that the perceived advantages outweigh the disadvantages. We have become increasingly concerned that there are drawbacks related to security that are overlooked during the decision process. We have studied the interactions of a number of potential threat agents with different levels of various disinfectants while developing an early warning system for water security. The experimental design entailed the gathering of bulk parameter data for a wide variety of agents at different concentrations. This resulted in an extensive database on the reactions of these agents in common drinking water scenarios. This revealed some disadvantages associated with switching to monochloramine.
Document Type: Research Article
Publication date: July 1, 2007
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