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N-butyl-pyridinium tetrafluoroborate as a highly efficient ionic liquid for removal of dibenzothiophene from organic solutions

Maedeh Enayati Hossein Faghihian

Maedeh Enayati, Hossein Faghihian. N-butyl-pyridinium tetrafluoroborate as a highly efficient ionic liquid for removal of dibenzothiophene from organic solutions[J]. 燃料化学学报(中英文), 2015, 43(02): 195-201.
引用本文: Maedeh Enayati, Hossein Faghihian. N-butyl-pyridinium tetrafluoroborate as a highly efficient ionic liquid for removal of dibenzothiophene from organic solutions[J]. 燃料化学学报(中英文), 2015, 43(02): 195-201.
Maedeh Enayati, Hossein Faghihian. N-butyl-pyridinium tetrafluoroborate as a highly efficient ionic liquid for removal of dibenzothiophene from organic solutions[J]. Journal of Fuel Chemistry and Technology, 2015, 43(02): 195-201.
Citation: Maedeh Enayati, Hossein Faghihian. N-butyl-pyridinium tetrafluoroborate as a highly efficient ionic liquid for removal of dibenzothiophene from organic solutions[J]. Journal of Fuel Chemistry and Technology, 2015, 43(02): 195-201.

N-butyl-pyridinium tetrafluoroborate as a highly efficient ionic liquid for removal of dibenzothiophene from organic solutions

详细信息
    通讯作者:

    Hossein Faghihian, Tel: +98321-3292515, Fax: +98 321-3291018, E-mail: faghihian@iaush.ac.ir.

  • 中图分类号: TE624

N-butyl-pyridinium tetrafluoroborate as a highly efficient ionic liquid for removal of dibenzothiophene from organic solutions

  • 摘要: In this research, 1-butyl-pyridinium tetrafluoroborate ([C4Py][BF4]-) was prepared by ion exchange method and was characterized by 1H-NMR, 13C-NMR, and FT-IR techniques. The synthesized ionic liquid was used for removal of dibenzothiophene as a typical organosulfur pollutant from organic medium. The effect of different parameters on the extraction efficiency was studied and optimized. At the optimized conditions, 97.68% of dibenzothiophene was extracted from 1 000 mg/L n-hexane solution. The extraction efficiency obtained in this work was higher than the previous reported values. The desulfurization reaction was kinetically followed the second order mechanism. The ionic liquid was reusable and after four regeneration cycles 97% of its original extraction efficiency was retained.
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出版历程
  • 收稿日期:  2014-09-24
  • 修回日期:  2014-11-25
  • 刊出日期:  2015-02-28

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