Extractive Desulfurization of Liquid Fuel using Modified Pyrollidinium and Phosphonium Based Ionic Liquid Solvents

Omar U. Ahmed, Farouq S. Mjalli, Al Wahaibi Talal, Yahya Al-Wahaibi, Inas M. Al Nashef

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In the pursuit of better solvents for use in the extractive desulfurization (EDS) of liquid fuel, the pyrollidinium and phosphonium based ionic liquids (ILs) have been improved by combining them with selected molecular compound modifiers. The modifiers, which are imidazole, poly(ethylene) glycol (PEG 200) and sulfolane were selected to induce previously nonexistent mechanisms in the presence of refractory sulfur compounds. The addition of PEG 200 and sulfolane were observed to have a more positive impact on the performance of the ILs than the addition of imidazole under the same conditions. This provides further support for the idea that interaction may not be the predominant interactions for the ILs that are the highly effective in EDS. Using the sulfolane modified tetrabutylphosphonium methanesulfonate [P4444][MeSO3], up to 81% dibenzothiophene (DBT) removal was recorded at a temperature of 30 °C and solvent-to-mass ratio of 1:1 and after a 30 min mixing time.

Original languageEnglish
Pages (from-to)468-483
Number of pages16
JournalJournal of Solution Chemistry
Volume47
Issue number3
DOIs
Publication statusPublished - Mar 1 2018

Fingerprint

Ionic Liquids
liquid fuels
Liquid fuels
Desulfurization
Polyethylene glycols
imidazoles
liquids
Sulfur Compounds
sulfur compounds
Ethylene Glycol
refractories
mass ratios
Refractory materials
glycols
ethylene
interactions
Temperature
sulfolane
temperature
imidazole

Keywords

  • Benzothiophene
  • Diesel
  • Hexadecane
  • Ionic liquid
  • Phosphonium
  • Pyrollidinium
  • Sulfolane
  • Thiophene

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Physical and Theoretical Chemistry

Cite this

Extractive Desulfurization of Liquid Fuel using Modified Pyrollidinium and Phosphonium Based Ionic Liquid Solvents. / Ahmed, Omar U.; Mjalli, Farouq S.; Talal, Al Wahaibi; Al-Wahaibi, Yahya; Al Nashef, Inas M.

In: Journal of Solution Chemistry, Vol. 47, No. 3, 01.03.2018, p. 468-483.

Research output: Contribution to journalArticle

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