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TiO2 photocatalysis under natural solar radiation for the degradation of the carbapenem antibiotics imipenem and meropenem in aqueous solutions at pilot plant scale

Cabrera-Reina Alejandro , Martínez-Piernas Ana B., Bertakis Ioannis, Xekoukoulotakis Nikos, Agüera Ana, Sánchez Pérez José Antonio

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URIhttp://purl.tuc.gr/dl/dias/C37627A2-25CF-4884-A95D-3170C4266EDC-
Identifierhttps://doi.org/10.1016/j.watres.2019.115037-
Identifierhttps://www.sciencedirect.com/science/article/pii/S0043135419308115-
Languageen-
Extent10 pagesen
TitleTiO2 photocatalysis under natural solar radiation for the degradation of the carbapenem antibiotics imipenem and meropenem in aqueous solutions at pilot plant scaleen
CreatorCabrera-Reina Alejandro en
CreatorMartínez-Piernas Ana B.en
CreatorBertakis Ioannisen
CreatorΜπερτακης Ιωαννηςel
CreatorXekoukoulotakis Nikosen
CreatorΞεκουκουλωτακης Νικοςel
CreatorAgüera Anaen
CreatorSánchez Pérez José Antonioen
PublisherElsevieren
Content SummaryThis paper deals with the removal of two last-resort antibiotics, namely imipenem and meropenem, in aqueous solutions employing heterogeneous photocatalysis with TiO2 under natural solar radiation at pilot plant scale. It was found that TiO2 photocatalysis is a very efficient technique for the degradation of both compounds in aqueous solutions, albeit it's relatively low quantum efficiency. At the experimental conditions employed in the present work (compound parabolic collectors photoreactor) the optimal TiO2 concentration was about 50 mg L−1. Experiments conducted in various aqueous matrices lead to the conclusion that the method can be applied to real aqueous matrices, such as natural waters and wastewaters. The comparison of TiO2 photocatalysis and natural photolysis showed an important decrease of the accumulated energy required to achieve the complete removal of both antibiotics which, in terms of normalized illumination time (t30W), represented a reduction of 50 min for imipenem and 60 min for meropenem.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2020-04-03-
Date of Publication2019-
SubjectAqueous matricesen
SubjectCarbapemen antibioticsen
SubjectImipenemen
SubjectMeropenemen
SubjectPhotocatalysisen
SubjectTiO2en
Bibliographic CitationA. Cabrera-Reina, A.B. Martínez-Piernas, Y. Bertakis, N.P. Xekoukoulotakis, A. Agüera and J.A. Sánchez Pérez, "TiO2 photocatalysis under natural solar radiation for the degradation of the carbapenem antibiotics imipenem and meropenem in aqueous solutions at pilot plant scale," Water Res., vol. 166, Dec. 2019. doi: 10.1016/j.watres.2019.115037en

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