Sleuthing for precursors to drinking-water treatment byproducts
نویسندگان
چکیده
منابع مشابه
Characterization of soluble microbial products as precursors of disinfection byproducts in drinking water supply.
Water pollution by wastewater discharge can cause the problem of disinfection byproducts (DBPs) in drinking water supply. In this study, DBP formation characteristics of soluble microbial products (SMPs) as the main products of wastewater organic biodegradation were investigated. The results show that SMPs can act as DBP precursors in simulated wastewater biodegradation process. Under the exper...
متن کاملDrinking water disinfection byproducts: review and approach to toxicity evaluation.
There is widespread potential for human exposure to disinfection byproducts (DBPs) in drinking water because everyone drinks, bathes, cooks, and cleans with water. The need for clean and safe water led the U.S. Congress to pass the Safe Drinking Water Act more than 20 years ago in 1974. In 1976, chloroform, a trihalomethane (THM) and a principal DBP, was shown to be carcinogenic in rodents. Thi...
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Iodinated X-ray contrast media (ICM) were investigated as a source of iodine in the formation of iodo-trihalomethane (iodo-THM) and iodo-acid disinfection by-products (DBPs), both of which are highly genotoxic and/or cytotoxic in mammalian cells. ICM are widely used at medical centers to enable medical imaging of soft tissues (e.g., organs, veins, blood vessels), they are almost completely excr...
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Peatland ecosystem services include drinking water provision, flood mitigation, habitat provision and carbon sequestration. Dissolved organic carbon (DOC) removal is a key treatment process for the supply of potable water downstream from peat-dominated catchments. A transition from peat-forming Sphagnum moss to vascular plants has been observed in peatlands degraded by (a) land management, (b) ...
متن کاملThe effect of inorganic precursors on disinfection byproduct formation during UV-chlorine/chloramine drinking water treatment.
Ultraviolet (UV) disinfection is being increasingly used in drinking water treatment. It is important to understand how its application to different types of water may influence finished water quality, particularly as anthropogenic activity continues to impact the quality of source waters. The objective of this study was to evaluate the effect of inorganic precursors on the formation of regulat...
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ژورنال
عنوان ژورنال: Environmental Science & Technology
سال: 2008
ISSN: 0013-936X,1520-5851
DOI: 10.1021/es801944f