Efficient Oxidative Desulfurization Processes Using Polyoxomolybdate Based Catalysts

Carlos M. Granadeiro, Pedro M. C. Ferreira, Diana Julião, Luís A. Ribeiro, Rita Valença, Jorge C. Ribeiro, Isabel S. Gonçalves, Baltazar De Castro, Martyn Pillinger, Luís Cunha-Silva and Salete S. Balula
Additional contact information
Carlos M. Granadeiro: REQUIMTE/LAQV & Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
Pedro M. C. Ferreira: REQUIMTE/LAQV & Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
Diana Julião: REQUIMTE/LAQV & Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
Luís A. Ribeiro: REQUIMTE/LAQV & Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
Rita Valença: Galp Energia, Refinaria de Matosinhos, 4452-852 Leça da Palmeira, Matosinhos, Portugal
Jorge C. Ribeiro: Galp Energia, Refinaria de Matosinhos, 4452-852 Leça da Palmeira, Matosinhos, Portugal
Isabel S. Gonçalves: Department of Chemistry, CICECO—Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
Baltazar De Castro: REQUIMTE/LAQV & Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
Martyn Pillinger: Department of Chemistry, CICECO—Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
Luís Cunha-Silva: REQUIMTE/LAQV & Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
Salete S. Balula: REQUIMTE/LAQV & Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal

Energies, 2018, vol. 11, issue 7, 1-11

Abstract: This work proposes an efficient desulfurization system to produce low sulfur diesel under sustainable and moderate experimental conditions. Treatment of a real diesel with a sulfur content of 2300 ppm led to 80% desulfurization after 2 h. The processes used conciliate liquid-liquid extraction and sulfur oxidative catalysis. The catalytic performance of the commercial Keggin-polyoxomolybdate H 3 [PMo 12 O 40 ] (PMo 12 ) was strategically increased by simple cation exchange, using a long carbon chain (ODAPMo 12 , ODA = CH 3 (CH 2 ) 17 (CH 3 ) 3 N), and by its incorporation into the Metal-Organic Framework (MOF) NH 2 -MIL-101(Cr), forming a new active heterogeneous PMo 12 @MOF composite catalyst. Activity of both catalysts was similar; however, the solid catalyst could be easily recovered and reused, and its stability was confirmed after multiple continuous cycles.

Keywords: real diesel; ionic liquid; oxidative desulfurization; benzothiophene derivatives; hydrogen peroxide (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
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