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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 33, Number 10
BKCSDE 33(10)
October 20, 2012 

Ionic Liquids as Benign Solvents for the Extraction of Aromatics
Md. Anwar Hossain, Jeesun Lee, Dai Hyun Kim, Dinh Quan Nguyen, Minserk Cheong*, Hoon Sik Kim*
Aromatics separation, Ionic liquids, Liquid-liquid extraction, Sulfolane process
Ionic liquids (ILs) have been extensively investigated as promising alternatives to conventional organic solvents such as sulfolane and N,N-dimethylformamide for the selective extraction of aromatic hydrocarbons from the C6-C10 hydrocarbon mixtures produced from the cracking processes of naphtha and light oils. The most important advantage of ILs over conventional organic solvents is that they are immiscible with aliphatic hydrocarbons, and thus the back extraction of ILs from the raffinate phases and top hydrocarbon-rich layers is not necessary. In this paper, a brief review on the state of the art in the utilization of ILs for aromatics separation is presented.
3241 - 3247
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