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Catalytic oxidative desulfurization of model and real diesel over a molybdenum anchored metal-organic framework

Ying-Ya Liu, Karen Leus (UGent) , Zhichao Sun, Xiang Li, Hannes Depauw (UGent) , Anjie Wang, Jian Zhang and Pascal Van Der Voort (UGent)
(2019) MICROPOROUS AND MESOPOROUS MATERIALS. 277. p.245-252
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Abstract
In this work, we report the catalytic performance of a MoO2Cl2 anchored metal-organic framework, Mo@COMOC-4, in the oxidative desulfurization (ODS) process on a continuous fixed-bed reactor. Mo@COMOC-4 was examined as a catalyst in the oxidation of model oils containing dibenzothiophene (DBT), benzothiophene (BT) or 4,6-dimethyldibenzothiophene (4,6-DMDBT). In a 50-h ODS reaction of DBT at 70 degrees C, with tert-butyl hydroperoxide (TBHP) as the oxidant, a constant high DBT conversion of nearly 80% was observed along with a high oxidant utility of over 85%, where DBT was converted rapidly into DBT sulfone. XRD and ICP analysis show that the structure of Mo@COMOC-4 was well preserved, with no significant leaching of Mo species. In addition, Mo@COMOC-4 can also oxidize a hydrogenated diesel oil, and 74% sulfur removal efficiency was achieved, with an extraction recovery of 92.5% after acetonitrile extraction. Spectroscopic characterization confirmed the formation of a molybdenum peroxide complex from MoO2Cl2 under TBHP treatment, a plausible catalytic process was proposed based on the experiment evidence as well as FT-IR and FT-FIR characterization results.
Keywords
Molybdenum-bipyridine complex, Metal-organic framework, Oxidative desulfurization, Dibenzothiophene, Diesel, LIGHT GAS OIL, HETEROGENEOUS CATALYSTS, OXIDE, BIPYRIDINE, DIBENZOTHIOPHENES, IMMOBILIZATION, PERFORMANCE, REDUCTION, COMPLEXES, FUEL

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MLA
Liu, Ying-Ya, et al. “Catalytic Oxidative Desulfurization of Model and Real Diesel over a Molybdenum Anchored Metal-Organic Framework.” MICROPOROUS AND MESOPOROUS MATERIALS, vol. 277, 2019, pp. 245–52, doi:10.1016/j.micromeso.2018.11.004.
APA
Liu, Y.-Y., Leus, K., Sun, Z., Li, X., Depauw, H., Wang, A., … Van Der Voort, P. (2019). Catalytic oxidative desulfurization of model and real diesel over a molybdenum anchored metal-organic framework. MICROPOROUS AND MESOPOROUS MATERIALS, 277, 245–252. https://doi.org/10.1016/j.micromeso.2018.11.004
Chicago author-date
Liu, Ying-Ya, Karen Leus, Zhichao Sun, Xiang Li, Hannes Depauw, Anjie Wang, Jian Zhang, and Pascal Van Der Voort. 2019. “Catalytic Oxidative Desulfurization of Model and Real Diesel over a Molybdenum Anchored Metal-Organic Framework.” MICROPOROUS AND MESOPOROUS MATERIALS 277: 245–52. https://doi.org/10.1016/j.micromeso.2018.11.004.
Chicago author-date (all authors)
Liu, Ying-Ya, Karen Leus, Zhichao Sun, Xiang Li, Hannes Depauw, Anjie Wang, Jian Zhang, and Pascal Van Der Voort. 2019. “Catalytic Oxidative Desulfurization of Model and Real Diesel over a Molybdenum Anchored Metal-Organic Framework.” MICROPOROUS AND MESOPOROUS MATERIALS 277: 245–252. doi:10.1016/j.micromeso.2018.11.004.
Vancouver
1.
Liu Y-Y, Leus K, Sun Z, Li X, Depauw H, Wang A, et al. Catalytic oxidative desulfurization of model and real diesel over a molybdenum anchored metal-organic framework. MICROPOROUS AND MESOPOROUS MATERIALS. 2019;277:245–52.
IEEE
[1]
Y.-Y. Liu et al., “Catalytic oxidative desulfurization of model and real diesel over a molybdenum anchored metal-organic framework,” MICROPOROUS AND MESOPOROUS MATERIALS, vol. 277, pp. 245–252, 2019.
@article{8585043,
  abstract     = {{In this work, we report the catalytic performance of a MoO2Cl2 anchored metal-organic framework, Mo@COMOC-4, in the oxidative desulfurization (ODS) process on a continuous fixed-bed reactor. Mo@COMOC-4 was examined as a catalyst in the oxidation of model oils containing dibenzothiophene (DBT), benzothiophene (BT) or 4,6-dimethyldibenzothiophene (4,6-DMDBT). In a 50-h ODS reaction of DBT at 70 degrees C, with tert-butyl hydroperoxide (TBHP) as the oxidant, a constant high DBT conversion of nearly 80% was observed along with a high oxidant utility of over 85%, where DBT was converted rapidly into DBT sulfone. XRD and ICP analysis show that the structure of Mo@COMOC-4 was well preserved, with no significant leaching of Mo species. In addition, Mo@COMOC-4 can also oxidize a hydrogenated diesel oil, and 74% sulfur removal efficiency was achieved, with an extraction recovery of 92.5% after acetonitrile extraction. Spectroscopic characterization confirmed the formation of a molybdenum peroxide complex from MoO2Cl2 under TBHP treatment, a plausible catalytic process was proposed based on the experiment evidence as well as FT-IR and FT-FIR characterization results.}},
  author       = {{Liu, Ying-Ya and Leus, Karen and Sun, Zhichao and Li, Xiang and Depauw, Hannes and Wang, Anjie and Zhang, Jian and Van Der Voort, Pascal}},
  issn         = {{1387-1811}},
  journal      = {{MICROPOROUS AND MESOPOROUS MATERIALS}},
  keywords     = {{Molybdenum-bipyridine complex,Metal-organic framework,Oxidative desulfurization,Dibenzothiophene,Diesel,LIGHT GAS OIL,HETEROGENEOUS CATALYSTS,OXIDE,BIPYRIDINE,DIBENZOTHIOPHENES,IMMOBILIZATION,PERFORMANCE,REDUCTION,COMPLEXES,FUEL}},
  language     = {{eng}},
  pages        = {{245--252}},
  title        = {{Catalytic oxidative desulfurization of model and real diesel over a molybdenum anchored metal-organic framework}},
  url          = {{http://doi.org/10.1016/j.micromeso.2018.11.004}},
  volume       = {{277}},
  year         = {{2019}},
}
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