Two combination solvents, viz. tetraethyleneglycol-N-methylpyrrolidone and
tetraethyleneglycol-N-formylmorpholine were used for the extraction of arom
atics from naphtha reformate containing 46.5% aromatics and the phase equil
ibria were determined at 40 degrees C. The data were correlated using Bachm
an, Othmer-Tobias and Hand Coordinates.