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Dinis Silva
LAQV/REQUIMTE & Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal

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Journal article
Published: 19 June 2021 in Sustainable Chemistry
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An effective process to remove nitrogen-based compounds from fossil fuels without harming the process of sulfur removal is an actual gap in refineries. A success combination of desulfurization and denitrogenation processes capable of completely removing the most environmental contaminates in diesel under sustainable conditions was achieved in this work, applying polyoxometalates as catalysts, hydrogen peroxide as oxidant, and an immiscible ionic liquid as an extraction solvent. The developed process based in simultaneous oxidative desulfurization (ODS) and oxidative denitrogenation (ODN) involved initial extraction of sulfur and nitrogen compounds followed by catalytic oxidation. Keggin-type polyoxomolybdates revealed much higher reusing capacity than the related polyoxotungstate. Effectively, the first catalysts practically allowed complete sulfur and nitrogen removal only in 1 h of reaction and for ten consecutive cycles, maintaining the original catalyst and ionic liquid samples.

ACS Style

Dinis Silva; Alexandre Viana; Fátima Mirante; Baltazar de Castro; Luís Cunha-Silva; Salete Balula. Removing Simultaneously Sulfur and Nitrogen from Fuel under a Sustainable Oxidative Catalytic System. Sustainable Chemistry 2021, 2, 382 -391.

AMA Style

Dinis Silva, Alexandre Viana, Fátima Mirante, Baltazar de Castro, Luís Cunha-Silva, Salete Balula. Removing Simultaneously Sulfur and Nitrogen from Fuel under a Sustainable Oxidative Catalytic System. Sustainable Chemistry. 2021; 2 (2):382-391.

Chicago/Turabian Style

Dinis Silva; Alexandre Viana; Fátima Mirante; Baltazar de Castro; Luís Cunha-Silva; Salete Balula. 2021. "Removing Simultaneously Sulfur and Nitrogen from Fuel under a Sustainable Oxidative Catalytic System." Sustainable Chemistry 2, no. 2: 382-391.