Abstract
Over 17% of water contamination in the world is due to the discharge of wastewater from textile and dyeing industries. Conventional treatments have been studied and found to be ineffective for the removal of the dyes. However, one effective way to remove them from our water sources is by photocatalysis using semiconductor nanoparticles. This investigation aims to assess the organic dyes individually and combined in the presence of Titanium Dioxide nanoparticles. Photodegradation studies were evaluated in the presence of dyes such as Malachite Green Chloride (MG) and Methyl Violet (MV) at different concentrations of TiO2 nanoparticles (10, 15, 25, and 50 ppm). Following the TiO2 at 10 ppm and 15 ppm degraded MG and MV more swiftly than the other concentrations, with ~ 92 and ~ 98%, respectively. On the other hand, 50 ppm TiO2 degraded the multi-component faster, at 98%. These results demonstrate that TiO2 is an effective photocatalyst for the degradation of dyes.
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Acknowledgments
This study was supported by Institutional funds of Dr. Sonia J. Bailón-Ruiz at the UPRP. We carried out this research in the Laboratory of Investigation in Nanotechnology and Characterization (LINC). Thanks to Puerto Rico Louis Stokes Alliance for Minority Participation (PR-LSAMP) for supporting us in the process. TEM work was performed at the National High Magnetic Field Laboratory, which is supported by National Science Foundation Cooperative Agreement No. DMR-1644779* and the State of Florida.
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Funding was provided by Universidad de Puerto Rico.
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Lugo-Ruiz, A.A., Paz-Ruiz, M.J. & Bailón-Ruiz, S.J. Photodegradation of organic dyes in single and multi-component in the presence of Titanium Dioxide nanoparticles. MRS Advances 7, 255–259 (2022). https://doi.org/10.1557/s43580-022-00274-7
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DOI: https://doi.org/10.1557/s43580-022-00274-7