Journal
CHEMICAL ENGINEERING & TECHNOLOGY
Volume 43, Issue 9, Pages 1774-1783Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ceat.201900624
Keywords
Catalytic oxidation; Denitrogenation; Desulfurization; Diesel; Molybdenum
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Funding
- project REQUIMTE-LAQV - national funds (OE) through the FCT (Fundacao para a Ciencia e a Tecnologia)/MCTES (Ministerio da Ciencia, Tecnologia e Ensino Superior) [UID/QUI/50006/2019]
- project CICECO-Aveiro Institute of Materials - national funds (OE) through the FCT (Fundacao para a Ciencia e a Tecnologia)/MCTES (Ministerio da Ciencia, Tecnologia e Ensino Superior) [UIDB/50011/2020, UIDP/50011/2020]
- FCT [SFRH/BD/102783/2014]
- European Union [SFRH/BD/102783/2014]
- MCTES
- European Social Fund through the program POPH of QREN
- Fundação para a Ciência e a Tecnologia [SFRH/BD/102783/2014] Funding Source: FCT
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High efficiency was found for desulfurization and denitrogenation processes to treat diesel using either the hybrid material {[MoO3(2,2 '-bipy)][MoO3(H2O)]}(n)or the octanuclear complex [Mo8O22(OH)(4)(di-tBu-bipy)(4)] (2,2 '-bipy = 2,2 '-bipyridine, di-tBu-bipy = 4,4 '-di-tert-butyl-2,2 '-bipyridine) as catalysts. These processes were employed in a single procedure to simultaneously remove sulfur (dibenzothiophene, 4-methyldibenzothiophene, and 4,6-dimethyldibenzothiophene) and nitrogen (indole and quinoline) compounds from diesel. A reaction time of two hours was sufficient to achieve at least 99.9 % S removal and 97 % N removal. Furthermore, the catalytic systems presented a high capacity to be reused/recycled for consecutive desulfurization/denitrogenation cycles.
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