A new approach to dearomatization of gasoline by ionic liquid and liquid -liquid extraction

The objective of this paper was the development of a separation technology for the selective recovery of aromatic compounds benzene, toluene, ethylbenzene and xylenes BTEX from gasoline by extraction. A liquid - liquid extraction method using ionic liquid was optimized simultaneously for some aromatic hydrocarbons in gasoline. 1-butyl-3- methyl imidazolium tetrachloroluminate ionic liquid IL was used to extract aromatic compounds from gasoline. [BMIM][AlCl4] was found to be effective for the selective removal of aromaitc hydrocarbons from gasoline. the dearomatization experiments were carried out with the 1:1 volume ratio of ionic liquid to gasoline for 60 min at 50 C. the aromatic hyrocarbons removal selectivity followed the order benzene >toluene >xylen>ethylbenzene.

کلیدواژه ها:

dearomatization ، extraction ، ionic liquid ، aromatic compounds