NDLI: Trihalomethane Occurrence in Chlorinated Hospital Wastewater

Content Provider	IEEE Xplore Digital Library
Author	Ying-Xue Sun Ping Gu Ke-Li Wang
Copyright Year	2008
Description	Author affiliation: Dept. of Environ. Sci. & Eng., Tsinghua Univ., Beijing (Ying-Xue Sun)
Abstract	Chlorination as a disinfection process is often used for disinfecting hospital wastewater in order to prevent the spread of pathogenic microorganisms and causal agents of nosocomial infectious diseases, but harmful byproducts might be formed and cause adverse ecological and health effects. In this study, the generation of trihalomethane (THMs) in the effluent of hospital wastewater during chlorine disinfection process was evaluated. The results showed the formation of THMs increased gently along the increasing chlorine dosages at beginning of the chlorine disinfection, but increased significantly after the chlorine dosages over 20 mg/L. Chloroform was the most abundant THM species and occupied above 40% of the total concentration. The second-order model interpretation of the long-term formation of THMs showed a good linearity and a second-order rate constant of 0.8857 $(mg/L)^{-1}s^{-1}$ in this experiments. Additionally, THM formations in these water samples well correlated with SUVA with generally exponential (R =0.9987).
Starting Page	3540
Ending Page	3544
File Size	238035
Page Count	5
File Format	PDF
ISBN	9781424417476
DOI	10.1109/ICBBE.2008.388
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pathogens Chemical industry Microorganisms Hospitals Effluents Water pollution Chemical processes Wastewater treatment Sludge treatment Diseases
Content Type	Text
Resource Type	Article

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