Benzophenone-3 Removal Using Heterogeneous Photocatalysis at Pilot Scale
2018
Zúñiga-Benítez, Henry | Sánchez-Monsalve, Román | Peñuela, Gustavo A.
This paper presents the main results obtained using the heterogeneous photocatalysis with TiO₂ technology in the removal of the emerging contaminant benzophenone-3 at pilot plant scale in a cylinder parabolic solar collector. In this sense, the effects of the operational parameters, pH and catalyst concentration, were analyzed, and after the use of the response surface methodology, the conditions that, under the experimental range, conduct to a higher removal of the analyte were selected. Additionally, analysis of the total organic carbon content and the biodegradability index (relationship between BDO₅ and COD) of the treated samples were carried out. In general, results allowed us to infer that this kind of treatment is effective in removing a considerable percentage of the substrate, and that it could become an effective alternative to water treatment and decontamination.
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