Abstract

The simultaneous removal of aromatic compounds of sulphur and nitrogen from diesel oil is becoming increasingly difficult because of its resistance to hydrodesulphurization (HDS) and hydrodenitrification (HDN). Ionic Liquids (ILs) better known as green solvents provide an important alternative in removing such compounds by liquid liquid extraction (LLE) at room temperature and atmospheric pressure. ILs, also known as tuneable solvents or green solvents consists of an organic cation and an organic/inorganic anion. They are considered to be the most promising candidates for HDS and HDN processes. A three tier approach involving Ab-intio technique, COSMO-RS (COnductor Like Screening MOdel for Real Solvents) predictions and subsequent experimentation is recommended for the evaluation of the performance of Ionic Liquid(IL’s) for desulphurization and denitrification studies on diesel oil.

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