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Photocatalytic abatement of emerging pollutants in pure water and wastewater effluent by TiO2 and Ce-ZnO: degradation kinetics and assessment of transformation products

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Abstract

Here, the performances of two different catalysts, Ce-ZnO and TiO2 synthetized in our laboratories, were compared with the commercial TiO2-P25 for degradation of a mixture of seven emerging pollutants under UV irradiation. The investigation included monitoring pollutants abatement in Milli-Q water and in wastewater effluent and identifying their transformation products by HPLC-HRMS. Structural characterization of intermediates supported by data available from literature allowed elucidation of the transformation pathways occurring in the presence of all investigated catalysts in the wastewater effluent. Preliminary results showed a good removal efficacy for almost all examined contaminants, even in real water matrix (i.e. wastewater effluent). The type of matrix and catalyst affects the number and/or the abundance of transformation products, which suggests differences in their transformation routes.

Graphical abstract: Photocatalytic abatement of emerging pollutants in pure water and wastewater effluent by TiO2 and Ce-ZnO: degradation kinetics and assessment of transformation products

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Publication details

The article was received on 14 Jul 2018, accepted on 05 Sep 2018 and first published on 06 Sep 2018


Article type: Paper
DOI: 10.1039/C8PP00311D
Citation: Photochem. Photobiol. Sci., 2019, Advance Article
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    Photocatalytic abatement of emerging pollutants in pure water and wastewater effluent by TiO2 and Ce-ZnO: degradation kinetics and assessment of transformation products

    D. Fabbri, M. J. López-Muñoz, A. Daniele, C. Medana and P. Calza, Photochem. Photobiol. Sci., 2019, Advance Article , DOI: 10.1039/C8PP00311D

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