Combined AOPs for Formaldehyde Degradation Using Heterogeneous Nanostructured Catalysts.

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ID: 81566
2020
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Abstract
In this paper we studied the combination of advanced oxidation processes (AOPs), i.e., TiO-based photocatalysis and photo-Fenton process, on the degradation of aqueous solutions containing a low (90 ppm) concentration of formaldehyde. Heterogeneous nanostructured catalysts, supported on polymeric nanofibers, were used; for comparison, some homogeneous or partly heterogeneous systems were also analyzed. Furthermore, to make the process more sustainable (in terms of costs and safety) no hydrogen peroxide was added to the system. The results showed that the combination of AOPs gave a synergy since the presence of iron was beneficial in promoting the photocatalytic activity of TiO while TiO was beneficial in promoting the photo-Fenton reaction. Moreover, very good results were obtained using fully heterogeneous nanostructured catalysts (based on TiO and FeSO), without the need to add HO.
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bonora2020combinednanomaterials Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Bonora, Renato;Boaretti, Carlo;Campea, Laura;Roso, Martina;Martucci, Alessandro;Modesti, Michele;Lorenzetti, Alessandra;
Journal Nanomaterials
Year 2020
DOI
E148
URL
Keywords
formaldehyde photocatalysis nanofibers synergy heterogeneous catalyst titanium dioxide aops combination photo-fenton

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