Synthesis, Characterization and Application of 1-Butyl-3 Methylimidazolium Chloride as Green Material for Extractive Desulfurization of Liquid Fuel

Table 1

Effect of sulfur compounds on extraction with [BMIM]Cl.

Entry	S-compound	Molecular structures	Melting point (°C)	Boiling point (°C)	Molar mass (g/mol)	Density (g/cm^3)	Flash point (°C)	S-content (ppmw)	S-removal (%)
1	DBT		98–100	332	184.26	1.252	—	122.9	75.4
2	BT		32	221	134.2	1.15	110	150.3	70
3	T		38	84	84.14	1.05	—	210.2	58
4	3-MT		69	114	98.17	1.016	12	239.5	52

Temperature= 30°C, mass ratio of model fuel to IL = 3 : 1, extraction time = 30 min.
Initial sulfur concentration = 500 ppmw.