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Ultra‐deep and fast oxidative desulfurization by IL‐POM immobilized on bar‐shaped green fiber toward the high efficiency.
- Source :
- Applied Organometallic Chemistry; Sep2024, Vol. 38 Issue 9, p1-15, 15p
- Publication Year :
- 2024
-
Abstract
- The Keggin‐type P‐Mo‐W polyoxometalate‐based ionic liquids ([VimAm]Br‐POM, POM is PMo6W6O40) were facilely supported on the green fiber (CA) to obtain a kind of bar‐shaped catalyst. The [VimAm]Br‐POM@CA showed an outstanding oxidative desulfurization performance for model oil and real oils with H2O2 as oxidant, mainly due to the dual role of the [VimAm]Br‐POM with the high activity and its excellent dispersion on CA. The dibenzothiophene (DBT) in model oil could be almost completely removed with [VimAm]Br‐POM@CA‐2 in 60 min at 60 °C without adding other extractants, in which [VimAm]Br acts as this role. Meanwhile, the influences of reaction temperature, molar ratio of H2O2/S, catalyst dosage, and different sulfur‐containing compounds were also investigated. Interestingly, the pretty low activation energy (0.1875 kJ/mol) has been achieved, and no significant loss of activity even after being reused for 5 cycles. The combination of IL‐POM and CA is an efficient strategy to obtain a newly kind desulfurization catalyst, with remarkable results on catalytic efficiency and reuse ability at the same time. [ABSTRACT FROM AUTHOR]
- Subjects :
- CATALYSTS recycling
ACTIVATION energy
DESULFURIZATION
IONIC liquids
DIBENZOTHIOPHENE
Subjects
Details
- Language :
- English
- ISSN :
- 02682605
- Volume :
- 38
- Issue :
- 9
- Database :
- Complementary Index
- Journal :
- Applied Organometallic Chemistry
- Publication Type :
- Academic Journal
- Accession number :
- 179169104
- Full Text :
- https://doi.org/10.1002/aoc.7610