The sulfur content in diesel drops significantly from 385 to 160 ppmw after 4 cycles and the sulfur content in gasoline is reduced from 186 to 44.5 ppmw after 4 cycles.
Entry S-compound Molecular Melting structures point ([degrees]C) 1 DBT [FORMULA NOT 98-100 REPRODUCIBLE IN ASCII] 2 BT [FORMULA NOT 32 REPRODUCIBLE IN ASCII] 3 T [FORMULA NOT 38 REPRODUCIBLE IN ASCII] 4 3-MT [FORMULA NOT 69 REPRODUCIBLE IN ASCII] Entry Boiling Molar mass Density point ([degrees]C) (g/mol) (g/[cm.sup.3]) 1 332 184.26 1.252 2 221 134.2 1.15 3 84 84.14 1.05 4 114 98.17 1.016 Entry Flash point S-content S-removal ([degrees]C) (ppmw) (%) 1 -- 122.9 75.4 2 110 150.3 70 3 -- 210.2 58 4 12 239.5 52 Temperature = 30[degrees]C, mass ratio of model fuel to IL = 3:1, extraction time = 30 min.