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Desulfurization Of The Dibenzothiophene (DBT) By Using Imidazolium-Based Ionic Liquids(Ils)

Bilal Kazmi, Awan Zahoor, Hashmi Saud, Zafar Khan Ghouri

Abstract


In this work we examined the industrial scale extraction process of ultra-low sulfur diesel with the help of simulation software ASPEN Plus®. This work focuses on the [Cnmim] [BF4] (imidazolium-based) ionic liquid and employed it in the extractive desulfurization of the dibenzothiophene (DBT) from the model diesel fuel under a very mild process condition. UNIFAC (uniquasi functional activity) was chosen as the thermodynamic method to model the ionic liquid on ASPEN Plus® and different physical and chemical properties were then taken from the literature to be incorporated in the simulation model. Different parametric analysis was studied for the removal of thiophene-based compounds from the model diesel. The results acquired shows the significance of imidazolium-based ionic liquids (ILs) for the extraction of S-contents from the liquid fuels at an optimal process conditions of 40 ℃ and 2 bar pressure with the 2.8: 1 ratio of ionic liquid and model diesel which validates the experimental results obtained previously in the literature.

Keywords


desulphurization; ionic liquids; catalyst; dibenzothiophene; diesel

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References


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DOI: http://dx.doi.org/10.18282/mpc.v1i2.571

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