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- W2503669002 abstract "Physical methods of wastewater treatment are useful in water purification and recycling. Combined effect of Ultrasound, UV-C & Silver Nanoparticles offers an attractive proposition in the area of water purification. This work cuts across various chemical, biological and physical boundaries, though, nanotechnology offers the possibility of an efficient removal of pollutants and germs. Ultrasound Reactor Technology (USRT) in a liquid leads to the acoustic cavitation phenomena, such as the formation, growth and collapse of bubbles, accompanied by the generation of local high temperature, pressure and reactive radical species. The possible mechanisms by which cells are rendered inviable during ultrasound irradiation include free-radical attack, including hydroxyl radical attack, and physical disruption of cell membranes. Furthermore, ultrasound irradiation can facilitate the disagglomeration of microorganisms and thus, increase the efficiency of other chemical disinfectants. Present study established the combined effect of US +UV + NP and suggested that it may be more effective than individual. It has been proposed that this may be a useful technique in water purification system. Experiments were conducted using Ultrasonication at three different time intervals (15 min, 30 min & 45 min) followed by three different UV dose (104 mj/cm , 216 mj/cm & 324mj/cm ) which was further followed by Ag Nanoparticles 2 2 2 treatment at three different doses such as 5μg/ml, 10 μg/ml, 15 μg/ml for different treatment time intervals (3 hrs, 6hrs, 9 hrs & 12 hrs ). It was found that as the treatment time and dose were increased, better results were obtained in terms of bacterial count i.e. lesser growth of bacteria were seen on petri plate." @default.
- W2503669002 created "2016-08-23" @default.
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- W2503669002 date "2012-09-04" @default.
- W2503669002 modified "2023-09-24" @default.
- W2503669002 title "Combined Effect of Ultrasonication, UV Light and Silver Nanoparticles on Wastewater Treatment" @default.
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