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year 28, Issue 2 (ICOP & ICPET 2022 2022)
ICOP & ICPET _ INPC _ ICOFS 2022, 28(2): 954-957 |
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Asakereh M, Ghalambor Dezfuli A. Investigation of the effect of silver nanoparticles on the photocatalytic properties of titanium dioxide for removing environmental pollutants with natural light source. ICOP & ICPET _ INPC _ ICOFS 2022; 28 (2) :954-957
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URL: http://opsi.ir/article-1-2575-en.html
Abstract: (630 Views)
With the expansion of industry and technology and the increase of modern urban life as well as more consumption of urban communities, today it is very important to pay attention to environmental pollutants, especially water resources. One of the most common pollutants in water resources is the industrial paints. In this paper, the rate of removal of water-soluble contaminants (methylene blue) by photocatalytic properties of titanium dioxide (TiO2) nanoparticles and the effect of adding silver nanoparticles (Ag) to TiO2 are investigated. Experimental studies in the natural conditions (sunlight and open-air) have been performed and the effects of sunlight exposure time, different amounts of photocatalyst, and pollutant concentrations have been investigated. The results show that the addition of silver nanoparticles to the TiO2 nanoparticles will significantly increase the amount of contaminant removal (methylene blue). it is predicted that the increase in the removal of aquatic pollution can be attributed to the high plasmonic properties and the strong interaction of the electromagnetic wave with plasmonic properties of silver nanoparticles, as well as shift in the spectral absorption region of the TiO2 / Ag compound from UV to the visible region.
Type of Study: Experimental |
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