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8565393 
Journal Article 
Selectivity and solvency in aromatics recoveryz 
Deal, CH; Derr, EL 
1964 
0 
Industrial and Engineering Chemistry Product Research and Development
ISSN: 0196-4305 
3 
4 
394-399 
English 
Solvents for aromatic recovery by either extractive distillation or extraction can be neatly rated in terms of the limiting activity coefficients for hexane and benzene. A pattern developed from data for over 35 solvents covering a temperature range of 25° to 1 00° C. clearly shows top selectivities to be expected for given solvencies and the characteristic structures of solvents associated with such levels. Existing correlations make the pattern of data usable for other types of hydrocarbon separations. © 1964, American Chemical Society. All rights reserved.