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Article

GO-TiO2 as a Highly Performant Photocatalyst Maximized by Proper Parameters Selection

1
Nanochemistry Research Group, International Iberian Nanotechnology Laboratory, Avenida Mestre José Veiga s/n, 4715-330 Braga, Portugal
2
CINTECX, Grupo de Bioingeniería y Procesos Sostenibles, Departamento de Ingeniería Química, Campus Lagoas-Marcosende, Universidade de Vigo, 36310 Vigo, Spain
*
Author to whom correspondence should be addressed.
Academic Editors: José A. Peres, Joaquín R. Dominguez, Gassan Hodaifa, Antonio Zuorro, Juan García Rodríguez, Zacharias Frontistis and Mha Albqmi
Int. J. Environ. Res. Public Health 2022, 19(19), 11874; https://doi.org/10.3390/ijerph191911874
Received: 11 July 2022 / Revised: 13 September 2022 / Accepted: 14 September 2022 / Published: 20 September 2022
(This article belongs to the Topic Advanced Oxidation Process: Applications and Prospects)
The synthesis and characterization of novel graphene oxide coupled to TiO2 (GO-TiO2) was carried out in order to better understand the performance of this photocatalyst, when compared to well-known TiO2 (P25) from Degussa. Thus, its physical-chemical characterization (FTIR, XRD, N2 isotherms and electrochemical measurements) describes high porosity, suitable charge and high electron mobility, which enhance pollutant degradation. In addition, the importance of the reactor set up was highlighted, testing the effect of both the irradiated area and distance between lamp and bulb solution. Under optimal conditions, the model drug methylthioninium chloride (MC) was degraded and several parameters were assessed, such as the water matrix and the catalyst reutilization, a possibility given the addition of H2O2. The results in terms of energy consumption compete with those attained for the treatment of this model pollutant, opening a path for further research. View Full-Text
Keywords: titanium dioxide doping; graphene oxide; methylthioninium chloride; electrochemical characterization measurements; photodegradation; process and catalyst characterization titanium dioxide doping; graphene oxide; methylthioninium chloride; electrochemical characterization measurements; photodegradation; process and catalyst characterization
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MDPI and ACS Style

Díez, A.M.; Pazos, M.; Sanromán, M.Á.; Kolen’ko, Y.V. GO-TiO2 as a Highly Performant Photocatalyst Maximized by Proper Parameters Selection. Int. J. Environ. Res. Public Health 2022, 19, 11874. https://doi.org/10.3390/ijerph191911874

AMA Style

Díez AM, Pazos M, Sanromán MÁ, Kolen’ko YV. GO-TiO2 as a Highly Performant Photocatalyst Maximized by Proper Parameters Selection. International Journal of Environmental Research and Public Health. 2022; 19(19):11874. https://doi.org/10.3390/ijerph191911874

Chicago/Turabian Style

Díez, Aida M., Marta Pazos, M. Ángeles Sanromán, and Yury V. Kolen’ko. 2022. "GO-TiO2 as a Highly Performant Photocatalyst Maximized by Proper Parameters Selection" International Journal of Environmental Research and Public Health 19, no. 19: 11874. https://doi.org/10.3390/ijerph191911874

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