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Energies, Vol. 11, Pages 1696: Efficient Oxidative Desulfurization Processes Using Polyoxomolybdate Based Catalysts

Energies, Vol. 11, Pages 1696: Efficient Oxidative Desulfurization Processes Using Polyoxomolybdate Based Catalysts

Energies doi: 10.3390/en11071696

Authors: 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 S. Balula

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 H3[PMo12O40] (PMo12) was strategically increased by simple cation exchange, using a long carbon chain (ODAPMo12, ODA = CH3(CH2)17(CH3)3N), and by its incorporation into the Metal-Organic Framework (MOF) NH2-MIL-101(Cr), forming a new active heterogeneous PMo12@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.

Autoren:   Granadeiro, Carlos M.; Ferreira, Pedro M. C.; Julião, Diana ; Ribeiro, Luís A.; Valença, Rita ; Ribeiro, Jorge C.; Gonçalves, Isabel S.; de Castro, Baltazar ; Pillinger, Martyn ; Cunha-Silva, Luís ; Balula, Salete S.
Journal:   Energies
Band:   11
Ausgabe:   7
Jahrgang:   2018
Seiten:   1696
DOI:   10.3390/en11071696
Erscheinungsdatum:   01.07.2018
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