Photocatalytic degradation of tetracycline-antibiotic under ultraviolet light irradiation using supported TiO2 hierarchical nanoarchitecture


  • Juan José Hinostroza Mojarro Tecnológico Nacional de México/IT de Tijuana/ Tecnológico de Tijuana
  • Francisco Javier García Picazo Tecnológico Nacional de México/IT de Tijuana/ Tecnológico de Tijuana
  • Mirza Mariela Ruiz Ramnirez Tecnológico Nacional de México/IT de Tijuana/ Tecnológico de Tijuana
  • Karen Melisa Luque López Tecnológico Nacional de México/IT de Tijuana/ Tecnológico de Tijuana, Blvd. Alberto Limón Padilla s/n Col. Otay Tecnológico, Tijuana, B.C. 22510, México.
  • Balter Trujillo Navarrete Tecnológico Nacional de México/IT de Tijuana/ Tecnológico de Tijuana



Photocatalysis, TiO2, Tetracycline, UV Radiation, Batch type reactor


Chrysanthemum- like rutile phase titanium oxide (TiO2) nanoflowers were synthesized on the surface of Raschig borosilicate rings (BRRs). The hierarchical nanoarchitecture was investigated using several physicochemical techniques: scanning electron microscopy (SEM), energy dispersion spectroscopy (EDS), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (IR), diffuse reflectance spectroscopy (DRS), zeta potential (ζ). TiO2-BRR were used as a packed column in a photocatalytic reactor, and their catalytic activity in the degradation of a bacteriostatic antibiotic: tetracycline (C22H24N2O8) was evaluated. The photocatalyst removed 91% of the emerging contaminant achieving an energy efficiency of 68% with an optimized loading of 75 TiO2- BRR and a pH of 4 at 25 ° C; without significant variation in at least three photodegradation cycles. This information can be used to develop supported TiO2 photocatalysts aimed at eliminating emerging contaminants, offering a viable alternative.


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Configuration of the photocatalytic system of the Batch type reactor.



How to Cite

Hinostroza Mojarro, J. J., García Picazo, F. J. ., Ruiz Ramirez, M. M. ., Luque López, K. M., & Trujillo Navarrete, B. (2021). Photocatalytic degradation of tetracycline-antibiotic under ultraviolet light irradiation using supported TiO2 hierarchical nanoarchitecture. REVISTA DE CIENCIAS TECNOLÓGICAS (RECIT), 4(4), 274–286.

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