Isobaric (vapour+liquid) equilibrium for N-methyl-2-pyrrolidone with branched alcohols

Excess molar volumes and ultrasonic studies of N-methyl-2-pyrrolidone with ketones at T=303.15K

“…The carbonyl group is polar since oxygen is more electronegative than carbon and forms a partially charged dipole. The present study is a continuation of our earlier research [8][9][10][11][12] on thermodynamic properties of binary liquid mixtures which contains high polar liquids with other solvents. In order to characterize the type and magnitude of the molecular interactions between NMP with ketones, we present here the V E and ultrasonic studies of (NMP) with methyl ethyl ketone (MEK), diethylketone (DEK), methyl propyl ketone (MPK), methyl isobutyl ketone (MIBK), and cyclohexanone (CH) at T = 303.15 K and at atmospheric pressure.…”

Temperature dependence measurements and molecular interactions for ammonium ionic liquid with N-methyl-2-pyrrolidone

“…It has a large dipole moment (l = 4.09 D) and a high dielectric constant (e = 32.2 at T = 298.15 K) [28]. Moreover, NMP is a strongly polar liquid and has the potential for use in the solvent extraction process for separating polar substances from non-polar substances [29][30][31].…”

Effect of Sulfolane, Dimethyl Sulfoxide, and N-Methyl-2-pyrrolidone on Relative Volatility of a 2,2,2-Trifluoroethanol–Isopropanol Azeotropic System

“…The estimation was performed using Aspen Plus V. 9.0 software (Objective function–Maximum likelihood). For the IPA–DMSO system, they were estimated by isobaric data from the paper at 6.7 kPa and for the IPA–NMP system, simultaneously by three data setsisobaric data from paper at 95.3 kPa and isothermal data from the paper at 80 and 100 °C. The binary interaction parameters of the NRTL and Wilson equations for the TFE–IPA system were taken from the paper .…”

“…Figure shows the correlation of the experimental data from the papers − and the data calculated with the estimated binary interaction parameters of the NRTL (Table ) and Wilson (Table ) equations in the IPA–DMSO and IPA–NMP systems.…”