RT Journal Article
ID 4c33d78833ff31a7
A1 Al Sadoon, Fahad M.
A1 Qasim, Muhammad
A1 Darwish, Naif A.
T1 PREDICTION OF THERMODYNAMIC STABILITY LIMITS AND CRITICALITY CONDITIONS FOR BINARY HYDROCARBON SYSTEMS
JF Computational Thermal Sciences: An International Journal
JO CTS
YR 2017
FD 2017-08-25
VO 9
IS 4
SP 351
OP 361
K1 stability limits
K1 spinodal
K1 binodal
K1 critical points
K1 binary mixtures
AB Thermodynamic stability (spinodal) limits are determined for several binary hydrocarbon mixtures of N-methyl-α-pyrrolidone, NMP(1), with alkanes(2). Using the NRTL model, rigorous criteria for both intrinsic stability and criticality
conditions are derived and solved numerically using MATLAB. In addition, the spinodal and binodal data are
tested for compliance with the critical universality theory. Results indicate that the binary liquid systems of NMP
with the considered alkanes represent a universal class such that the binodal and spinodal information for other binary
mixtures of NMP within the same class can be predicted using simple power law models. Spinodal and miscibility
gaps for binary liquid mixtures of NMP with alkanes not included in the database are predicted and found to be in
excellent agreement with those obtained from the developed thermodynamic criteria and the experimental binodal data.
The developed simple power law model is very helpful in easy and quick estimation of liquid-liquid equilibrium data.
PB Begell House
LK https://www.dl.begellhouse.com/journals/648192910890cd0e,1f91a0a21ba4a14c,4c33d78833ff31a7.html