Swapnil Dharaskar and Mika Sillanpaa
Lappeenranta University of Technology, Finland
Posters & Accepted Abstracts: J Adv Chem Eng
In present paper experimental data on extractive desulfurization (EDS) of dibenzothiophene, thiophene, benzothiophene, and other methyl substituted derivatives of sulfur from liquid fuel using Trihexyltetradecylphosphonium Bromide ([THTDP] [Br]) has been presented. The FTIR, 1H-NMR, 13C-NMR, and 31P-NMR spectra have been discussed for the molecular confirmation of synthesized ionic liquid. Further, solubility, conductivity, and viscosity analysis of ([THTDP][Br]) were carried out. The effects of reaction time, reaction temperature, sulfur compounds, ultrasonication, and recycling of ([THTDP][Br]) without regeneration on dibenzothiphene removal from liquid fuel were also investigated. In EDS process, the removal of dibenzothiophene in n-dodecane was 84.5% for mass ratio of 1:1 in 30 min at 30OC under the mild reaction conditions. ([THTDP][Br]) could be reused five times without a significant decrease in activity. Also, the desulfurization of real fuels, multistage extraction was examined. The experimental data and results provided in present paper explore the significant insights of phosphonium based ionic liquids as novel solvents for extraction of sulfur from liquid fuels. Keywords:- Phosphonium Ionic liquid, Desulfurization, Liquid Fuel, Sulfur, Extraction.