نتایج جستجو برای: treated water
تعداد نتایج: 990637 فیلتر نتایج به سال:
In this study, the effects of initial bacterial load (102 , 104 and 106 cells/ml) dechlorination idiosyncrasy on efficacy varying concentrations (0.018–0.126% v/v applied for 30 minutes) a point-of-use chlorine-based proprietary disinfectant (WaterCare®) were investigated in drinking water. Results indicated that higher cell populations significantly affected disinfectant.Subsequent disinfected...
Abstract Of recent concern is the degradation of plastics from macro- to micro- and even nanosized. This study investigates content microplastics nanoplastics (MNPs) particles in raw water sources for local population tap drinking as treated water. A total 189 samples were selected analysed quality quantity (MNPs). The results found MNPs all samples, with an average abundance ranging 204 ± 54 3...
Background and purpose: Access to safe drinking water is of the utmost importance in public health around the world. Presence of contaminants, such as secondary bacterial growth and endotoxins could reduce the quality of water resources. This study aimed at investigating the occurrence, seasonal variation, and removal of endotoxins in a conventional water treatment plant (WTP) in Tehran, Iran. ...
In this study, a variety of 3, 4-dihydropyrimidin-2(1H)-ones derivatives were synthesized via three-component Biginelli reaction. The quaternary ammonium- treated clay -catalyzed process proved to be simple, efficient, and environmentally friendly.
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