TY - JOUR
T1 - Thermodynamic modelling of liquid-liquid extraction of naphthenic acid from dodecane using imidazolium based phenolate ionic liquids
AU - Shah, Syed Nasir
AU - Mutalib, Mohamed Ibrahim Abdul
AU - Ismail, Mohamed Farid
AU - Suleman, Humbul
AU - Lethesh, Kallidanthiyil Chellappan
PY - 2016/4/12
Y1 - 2016/4/12
N2 - In this work, N-alkyl imidazolium based ionic liquids with phenolate anions have been used for the separation of naphthenic acid from model oil. The liquid-liquid equilibrium (LLE) data for the ternary mixture of [Cnmim][Phe], dodecane and naphthenic acid were experimentally obtained at a constant temperature of 303.15 K and atmospheric pressure. The effect of chain length on the extraction capability was observed by calculating the distribution coefficient. The experimental tie line data was correlated using the non-random two liquid model (NRTL) and Universal Quasi Chemical (UNIQUAC) model and new interaction parameters for the ternary systems are reported. The experimental data provides a good correlation with the modelling data and a very low root mean square deviation (RMSD) value was observed for all the systems.
AB - In this work, N-alkyl imidazolium based ionic liquids with phenolate anions have been used for the separation of naphthenic acid from model oil. The liquid-liquid equilibrium (LLE) data for the ternary mixture of [Cnmim][Phe], dodecane and naphthenic acid were experimentally obtained at a constant temperature of 303.15 K and atmospheric pressure. The effect of chain length on the extraction capability was observed by calculating the distribution coefficient. The experimental tie line data was correlated using the non-random two liquid model (NRTL) and Universal Quasi Chemical (UNIQUAC) model and new interaction parameters for the ternary systems are reported. The experimental data provides a good correlation with the modelling data and a very low root mean square deviation (RMSD) value was observed for all the systems.
UR - http://dx.doi.org/10.1016/j.molliq.2016.03.053
U2 - 10.1016/j.molliq.2016.03.053
DO - 10.1016/j.molliq.2016.03.053
M3 - Article
SN - 0167-7322
VL - 219
SP - 513
EP - 525
JO - Journal of Molecular Liquids
JF - Journal of Molecular Liquids
IS - 1
ER -