Focus on Fuel Quality: Removal of Sulfur‑,
Nitrogen‑, and Oxygen-Containing Aromatic Compounds by Extraction
from Hydrocarbons into the Regenerable Ionic Liquid
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Abstract
Extraction of S-, N-, and O-containing
aromatic compounds from
hydrocarbons modeling fuels was studied using an ionic liquid {1-butyl-3-methylimidazolium
bis(trifluoromethanesulfonyl)imide ([BMIM][NTf<sub>2</sub>])} doped
with metal complexes (Ag, Cu, Co, and V). The silver additives were
shown to be most efficient. Water was found to be an inert agent that
did not deteriorate the efficiency of the extraction. This approach
was considered as a method of removal of sulfur and nitrogen compounds
present in oil products (gasoline and diesel fuels)