Oxidative transformations of contaminants in natural and in technical systems
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Chemical oxidation processes have been widely applied to water treatment and may serve as a tool to minimize the release of micropollutants (e g pharmaceuticals and endocrine disruptors) from municipal wastewater effluents into the aquatic environment The ...
Even though ozone has been applied for a long time for disinfection and oxidation in water treatment, there is lack of critical information related to transformation of organic compounds. This has become more important in recent years, because there is con ...
The treatment of water is needed for the supply of adequate quantity and quality of drinking water, as well as before the discharge of wastewater to the environment. Treatment technologies are often costly, involve chemicals that may have detrimental effec ...
The inactivation of coliphage MS2 by iron- and copper-catalyzed Fenton systems was studied to assess the importance of this process for virus inactivation in natural systems and during water treatment by advanced oxidation processes. The influence of H2O2 ...
As the World Health Organization (WHO) progresses with provisional Drinking Water Guidelines of 1 mu g/L for microcystin-LR and a proposed Guideline of 1 mu g/L for cylindrospermopsin, efficient treatment strategies are needed to prevent cyanotoxins such a ...
The potential of chlorine dioxide (ClO2) for the oxidation of pharmaceuticals during water treatment was assessed by determining second-order rate constants for the reaction with selected environmentally relevant pharmaceuticals. Out of 9 pharmaceuticals o ...
Background. The development of alternative processes to eliminate pathogenic agents in water is a matter of growing interest. Current drinking water disinfection procedures, such as chlorination and ozonation, can generate disinfection by-products with car ...
The oxidation of N-nitrosodimethylamine (NDMA) precursors during water treatment was investigated using ozone and chlorine dioxide (ClO2). Second-order rate constants for the reactions of model NDMA precursors (dimethylamine (DMA) and 7 tertiary amines) wi ...
This study shows that iodinated organic compounds can be produced when iodide-containing waters are in contact with manganese oxide bimessite (delta-MnO2) in the pH range of 5-7. In the absence of natural organic matter (NOM), iodide is oxidized to iodate ...
The discharge of synthetic and natural steroid estrogens from municipal wastewaters to the aquatic environment has received increased attention because of their potential reproductive effects on fish. Using 17 alpha-ethinylestradiol (EE2) as a representati ...