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Efficient Oxidative Desulfurization Processes Using Polyoxomolybdate Based Catalysts

Author

Listed:
  • Carlos M. Granadeiro

    (REQUIMTE/LAQV & Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
    Department of Chemistry, CICECO—Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, 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
    Department of Chemistry, CICECO—Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, 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)

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.

Suggested Citation

  • 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 & Salete, 2018. "Efficient Oxidative Desulfurization Processes Using Polyoxomolybdate Based Catalysts," Energies, MDPI, vol. 11(7), pages 1-11, July.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:7:p:1696-:d:155490
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