Separation of Aromatic Hydrocarbons Using M[Al2Et6X] Complexes
- 1 July 1982
- journal article
- research article
- Published by Taylor & Francis in Separation Science and Technology
- Vol. 17 (9) , 1151-1163
- https://doi.org/10.1080/01496398208060279
Abstract
Complexes of the type M[Al2Et6X] (where M = NMe4, C6H8N, K, Cs; X = SCN, Cl, N3) selectively interact with aromatic substrates to form liquid clathrates in the presence of nonaromatic hydrocarbons. This phenomenon was used to separate aromatics from nonaromatics. Good separation factors (β) of 2.6 to 11.5 were observed. The separation of m-xylene from p-xylene was also attempted using M[Al2Et6X] complexes [M = NEt4, NPr4, NBu4, N(pentyl)4, N(Me)3Ph, C6H8N, NEt3(allyl), N2(CH2)2(CH3)6; X = I, Br, Cl, NO3]. However, in no case was selective complexation observed.Keywords
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