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Catalytic Wet Air Oxidation of Maleic Acid Over Lanthanum-Based Perovskites Synthesized by Solution Combustion Synthesis

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Abstract

The catalytic wet air oxidation (CWAO) reaction is an effective chemical process studied for the mineralization of industrial wastewaters. In order to better understand the reaction mechanism governing the oxidation of those complex effluents, in this work several metal-based perovskites were tested in the CWAO of maleic acid, one of the main by-products of the decomposition of phenol. Among several catalysts, lanthanum ferrite was found to be active, allowing to completely decompose maleic acid in 180 min and increasing the overall TOC conversion from 40 to 62 %. This same catalyst was found to be stable and was successfully recycled in subsequent runs.

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Authors and Affiliations

  1. Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129, Turin, Italy

    Marco Bernardi, Fabio Alessandro Deorsola, Debora Fino & Nunzio Russo

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  1. Marco Bernardi
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  2. Fabio Alessandro Deorsola
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  3. Debora Fino
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  4. Nunzio Russo
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Correspondence to Debora Fino.

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Bernardi, M., Deorsola, F.A., Fino, D. et al. Catalytic Wet Air Oxidation of Maleic Acid Over Lanthanum-Based Perovskites Synthesized by Solution Combustion Synthesis. Waste Biomass Valor 5, 857–863 (2014). https://doi.org/10.1007/s12649-014-9301-z

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  • DOI: https://doi.org/10.1007/s12649-014-9301-z

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