Journal of Chemical Engineering and Materials Science
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Article Number - 483F55964391


Vol.8(2), pp. 10-16 , May 2017
DOI: 10.5897/JCEMS2017.0293
ISSN: 2141-6605



Full Length Research Paper

Photocatalytic oxidation of 17 α-Ethinylestradiol by UV-activated TiO2 in batch and continuous-flow reactor



Carvalho R. V.
  • Carvalho R. V.
  • Goiânia, Goiás State, Brazil.
  • Google Scholar
Isecke B. G.
  • Isecke B. G.
  • Goiânia, Goiás State, Brazil.
  • Google Scholar
Carvalho E.
  • Carvalho E.
  • Goiânia, Goiás State, Brazil.
  • Google Scholar
Teran F. J. C.*
  • Teran F. J. C.*
  • Goiânia, Goiás State, Brazil.
  • Google Scholar







 Received: 24 March 2017  Accepted: 20 April 2017  Published: 31 May 2017

Copyright © 2017 Author(s) retain the copyright of this article.
This article is published under the terms of the Creative Commons Attribution License 4.0


In this study, the photocatalytic oxidation by UV-activated TiO2 was investigated for the degradation of a 15 mgL-1 solution of 17 α-ethinylestradiol (EE2) in an ultra-pure water matrix. The TiO2 adsorption, solution pH and catalyst TiO2 concentration were evaluated. Operating as a batch reactor, the system showed a 90% removal, with a 40-min retention time, a pH value of 8 a TiO2 concentration of 0.1 gL-1, and a rate constant of 0.13 min-1 for this experiment. The adsorption was negligible in 2 h at pH 7. As a continuous-flow reactor, the operation achieved an 87% removal with a TiO2 concentration of 0.025 gL-1 at pH 7. Ultraviolet-C (UVC) photolysis presented a removal of 40% in 2 h at pH 7 with the system operating in batch mode. Operating as a sequencing batch, the reactor showed remarkable efficiency in the removal of EE2 in a short period.

Key words: Photocatalysis, 17 α-ethinylestradiol, UV-activated TiO2, sequencing batch reactor, continuous flow reactor.

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APA Carvalho, R. V., Isecke, B. G., Carvalho, E., & Teran, F. J. C. (2017). Photocatalytic oxidation of 17 α-Ethinylestradiol by UV-activated TiO2 in batch and continuous-flow reactor. Journal of Chemical Engineering and Materials Science, 8(2), 10-16.
Chicago Carvalho R. V., Isecke B. G., Carvalho E. and Teran F. J. C.. "Photocatalytic oxidation of 17 α-Ethinylestradiol by UV-activated TiO2 in batch and continuous-flow reactor." Journal of Chemical Engineering and Materials Science 8, no. 2 (2017): 10-16.
MLA Carvalho R. V., et al. "Photocatalytic oxidation of 17 α-Ethinylestradiol by UV-activated TiO2 in batch and continuous-flow reactor." Journal of Chemical Engineering and Materials Science 8.2 (2017): 10-16.
   
DOI 10.5897/JCEMS2017.0293
URL http://academicjournals.org/journal/JCEMS/article-abstract/483F55964391

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