Oxidation of Pharmaceuticals during Ozonation and Advanced
This study investigates the oxidation of pharmaceuticals during conventional ozonation and advanced oxidation processes (AOPs) applied in drinking water treatment. In a first step, second-order rate constants for the reactions of selected pharmaceuticals with ozone (kO3) and OH radicals (kOH) were determined in bench-scale experiments (in brackets apparent kO3 at pH 7 and T = 20 掳C
This is of special importance, since surface water is a possible source of drinking water. In drinking water treatment the pharmaceuticals can be removed by several technical processes like flocculation, filtration, adsorption, or oxidation. In case of river water treatment, bankfiltration is often used as the first step.
Oxidation of pharmaceuticals during water treatment with
Oxidation of pharmaceuticals during water treatment with chlorine dioxide. Huber MM(1), Korhonen S, Ternes TA, von Gunten U. Author information: (1)Swiss Federal Institute of Aquatic Science and Technology (EAWAG), Ueberlandstrasse 133, CH-8600 Duebendorf, Switzerland.
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
Transformation of pharmaceuticals during oxidation
Pharmaceuticals are emerging contaminants of concern and are widespread in the environment. While the levels of these substances in finished drinking waters are generally considered too low for human health concern, there are now concerns about their disinfection by-products (DBPs) that can form during drinking water treatment, which in some cases have been proven to be more toxic than the
To reduce the release of pharmaceuticals and endocrine disruptors into the aquatic environment or to remove them from wastewater intended for direct or indirect reuse, the application of advanced wastewater treatment may be required. In the present study, municipal wastewater effluents were treated with ozone (O3) in a pilot-scale plant consisting of two bubble columns.
Occurrence and fate of pharmaceuticals and personal care
Occurrence and fate of pharmaceuticals and personal care products (PPCPs) in drinking water was investigated in southern China. Fifteen and twelve PPCPs were detected with concentrations of 0-36 ng L(-1) in source water and of 0-20 ng L(-1) in treated water, respectively.
ISSN 2095-2201. ISSN 2095-221X(Online) CN 10-1013/X Postal Subscription Code 80-973. 2025 Impact Factor: 3.883
Pharmaceuticals and Personal Care Products in Urban
Huang Yu,Dong Bingzhi,Zhou Junru(College of Environmental Science and Engineering,Tongji University,Shanghai 200092,China);Recent research advances on factors affecting the removal of pharmaceuticals in drinking water by NF/RO membranes[J];Water 6
The chemical composition, distribution, and fate of pharmaceutically active compounds (PhACs) present in typical pharmaceutical wastewater treatment plants were investigated with the aim of effectively removing these pollutants while minimizing waste of resources and energy. The results of this study indicate that the relative content of an organic compound class is unrelated to the number of
Pharmaceuticals in Tap Water: Human Health Risk Assessment
We propose an indicator-based monitoring framework for providing information for source identification, water treatment effectiveness, and water safety management in China. Conclusion: Chinese tap water is an additional route of human exposure to pharmaceuticals, particularly for dimetridazole, although the risk to human health is low based on
The combined process of aerated ferric-carbon micro-electrolysis,two-stage hydrolysis acidification and anaerobic/aerobic units was use to treat the wastewater from production of narcotic materials.The results show that when the influent pH value of ferric-carbon
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