2
0
2017
che
che
3
journal
Original
Chen, Y.[Yao]
Cheng, K.[Kai]
Feng, W.[Wanxia]
Zhang, Q.[Quanzhou]
J. Chem. Eng. Data
2017
2020-09-29
Measurement and Correlation of Liquid Liquid Equilibrium for Quaternary Systems of Water + Methanol or Ethanol + Ethyl Methyl Carbonate + Heptane at 25 deg C
In this work, liquid phase compositions for mixtures of water + methanol + ethyl methyl carbonate (EMC) + heptane, water + ethanol + EMC + heptane, and water + methanol + EMC, water + ethanol + EMC, and water + EMC + heptane at 25 deg C were measured at atmospheric pressure. The modified UNIQUAC activity coefficient model was employed to correlate the experimental tie-line data, and the results were compared with ones obtained with the extended UNIQUAC model. The consistency of the measured tie-line data was ascertained by applying the Othmer Tobias equation.
tie-line data
ethyl methyl carbonate
modified and extended UNIQUAC models
Othmer-Tobias equation
10.1021/acs.jced.6b01031
9
62
2516-2520
1
InChI=1S/C4H8O3/c1-3-7-4(5)6-2/h3H2,1-2H3
JBTWLSYIZRCDFO-UHFFFAOYSA-N
ethyl methyl carbonate
C4H8O3
1
Commercial source
1
99.4
3
Gas chromatography
2
InChI=1S/CH4O/c1-2/h2H,1H3
OKKJLVBELUTLKV-UHFFFAOYSA-N
methanol
methyl alcohol
CH4O
1
Commercial source
1
99.4
3
Gas chromatography
3
InChI=1S/C2H6O/c1-2-3/h3H,2H2,1H3
LFQSCWFLJHTTHZ-UHFFFAOYSA-N
ethanol
ethyl alcohol
C2H6O
1
Commercial source
1
99.7
3
Gas chromatography
4
InChI=1S/C7H16/c1-3-5-7-6-4-2/h3-7H2,1-2H3
IMNFDUFMRHMDMM-UHFFFAOYSA-N
heptane
n-heptane
C7H16
1
Commercial source
1
99.6
3
Gas chromatography
5
InChI=1S/H2O/h1H2
XLYOFNOQVPJJNP-UHFFFAOYSA-N
water
H2O
1
Commercial source
1
99
2
Estimated by the compiler
1
2
1
1
1
5
1
Principal objective of the work
ZDB
XXX
2/23/2017
1
Mole fraction
Chromatography
2
Liquid mixture 1
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
2
Mole fraction
Chromatography
2
Liquid mixture 2
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
3
Mole fraction
Chromatography
5
Liquid mixture 2
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid mixture 1
Liquid mixture 2
1
Temperature, K
Liquid mixture 2
298.15
5
2
Pressure, kPa
Liquid mixture 2
100
1
1
Mole fraction
5
Liquid mixture 1
1
0.996
3
1
0
4
2
0
4
3
0.091
2
1
0.961
3
1
0.029
2
1
0.016
2
0.011
2
1
0.011
3
0.104
3
1
0.949
3
1
0.039
2
1
0.016
2
0.023
2
1
0.013
3
0.13
3
1
0.935
3
1
0.05
2
1
0.015
2
0.031
2
1
0.013
3
0.146
3
1
0.926
3
1
0.057
2
1
0.015
2
0.038
2
1
0.013
3
0.165
3
1
0.916
3
1
0.064
2
1
0.015
2
0.045
2
1
0.013
3
0.182
3
1
0.907
3
1
0.071
2
1
0.015
2
0.054
2
1
0.013
3
0.213
3
1
0.889
3
1
0.082
2
1
0.014
2
0.065
2
1
0.013
3
0.243
3
1
0.876
3
1
0.088
2
1
0.012
2
0.073
2
1
0.012
3
0.271
3
2
3
1
1
1
5
1
Principal objective of the work
ZDB
XXX
2/23/2017
1
Mole fraction
Chromatography
3
Liquid mixture 2
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
2
Mole fraction
Chromatography
3
Liquid mixture 1
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
3
Mole fraction
Chromatography
5
Liquid mixture 1
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid mixture 2
Liquid mixture 1
1
Temperature, K
Liquid mixture 1
298.15
5
2
Pressure, kPa
Liquid mixture 1
100
1
1
Mole fraction
5
Liquid mixture 2
1
0.115
3
1
0.029
2
1
0.012
2
0.018
2
1
0.012
3
0.975
3
1
0.144
3
1
0.042
2
1
0.012
2
0.023
2
1
0.012
3
0.969
3
1
0.219
3
1
0.059
2
1
0.013
2
0.037
2
1
0.015
3
0.954
3
1
0.256
3
1
0.077
2
1
0.012
2
0.042
2
1
0.015
3
0.948
3
1
0.301
3
1
0.078
2
1
0.012
2
0.045
2
1
0.014
3
0.941
3
1
0.396
3
1
0.096
2
1
0.012
2
0.05
2
1
0.014
3
0.93
3
1
0.468
3
1
0.106
3
1
0.012
2
0.056
2
1
0.014
3
0.92
3
1
0.487
3
1
0.109
3
1
0.012
2
0.066
2
1
0.012
3
0.907
3
3
4
1
1
1
5
1
Principal objective of the work
ZDB
XXX
2/23/2017
1
Mole fraction
Chromatography
5
Liquid mixture 2
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
2
Mole fraction
Chromatography
1
Liquid mixture 1
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
3
Mole fraction
Chromatography
5
Liquid mixture 1
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid mixture 2
Liquid mixture 1
1
Temperature, K
Liquid mixture 1
298.15
5
2
Pressure, kPa
Liquid mixture 1
100
1
1
Mole fraction
1
Liquid mixture 2
1
0.794
3
1
0.037
2
1
0.012
2
0.008
1
1
0.008
3
0.992
3
1
0.749
3
1
0.032
2
1
0.012
2
0.008
1
1
0.008
3
0.992
3
1
0.692
3
1
0.026
2
1
0.012
2
0.008
1
1
0.008
3
0.992
3
1
0.642
3
1
0.018
2
1
0.012
2
0.008
1
1
0.008
3
0.992
3
1
0.583
3
1
0.015
2
1
0.012
2
0.007
1
1
0.007
3
0.993
3
1
0.509
3
1
0.011
2
1
0.011
2
0.007
1
1
0.007
3
0.993
3
1
0.466
3
1
0.009
1
1
0.009
2
0.007
1
1
0.007
3
0.993
3
1
0.42
3
1
0.006
1
1
0.006
2
0.006
1
1
0.006
3
0.994
3
4
1
1
5
1
Principal objective of the work
EP
EP
2/28/2017
1
Mole fraction
Chromatography
5
Liquid mixture 1
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid mixture 1
Liquid mixture 2
1
Pressure, kPa
Liquid mixture 2
2
Temperature, K
Liquid mixture 2
1
100
1
2
298.15
5
1
0.996
3
1
0.004
5
1
1
5
1
Principal objective of the work
EP
EP
2/28/2017
1
Mole fraction
Chromatography
5
Liquid mixture 2
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid mixture 2
Liquid mixture 1
1
Pressure, kPa
Liquid mixture 2
2
Temperature, K
Liquid mixture 2
1
100
1
2
298.15
5
1
0.091
2
1
0.012