Journal
PETROLEUM SCIENCE AND TECHNOLOGY
Volume 29, Issue 22, Pages 2372-2376Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10916461003716665
Keywords
aromatic compounds; dearomatization; extraction; ionic liquid
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The objective of this article was the development of a separation technology for the selective recovery of the aromatic compounds such as benzene, toluene, ethylbenzene, and xylenes (BTEX) from gasoline by extraction. A liquid liquid extraction method using ionic liquid (IL) was optimized simultaneously for some aromatic hydrocarbons in gasoline. 1-Butyl-3-methyl imidazolium tetrachloroaluminate ionic liquid or [BMIM][AlCl4] was used to extract aromatic compounds from gasoline. [BMIM][AlCl4] was found to be effective for the selective removal of aromatic hydrocarbons from gasoline. The dearomatization experiments were carried out with a 1:1 volume ratio of ionic liquid to gasoline for 60 min at 50 degrees C. The aromatic hydrocarbons removal selectivity followed the order benzene > toluene > xylene > ethylbenzene.
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