2
0
2017
gao
li
0
journal
Original
Gao, J.[Jun]
Li, H.[Hong]
Xu, D.[Dongmei]
Zhang, L.[Lianzheng]
Zhao, L.[Liwen]
Li, C.[Chunlu]
J. Chem. Eng. Data
2017
2020-09-29
Isobaric Vapor Liquid Equilibrium for Binary Systems of Thioglycolic Acid with Water, Butyl Acetate, Butyl Formate, and Isobutyl Acetate at 101.3 kPa
The isobaric vapor-liquid equilibrium (VLE) data for the systems (thioglycolic acid + water), (thioglycolic acid + butyl acetate), (thioglycolic acid + butyl formate), and (thioglycolic acid + isobutyl acetate) were measured at P = 101.3 kPa by using a vapor recirculating type (modified Rose) equilibrium still. The thermodynamic consistency test of the experimental data for the four binary systems were confirmed by the method of Van Ness. The experimental VLE data were correlated by the three activity coefficient models of Wilson, nonrandom two-liquid (NRTL), and universal quasi-chemical (UNIQUAC). The results show that all the calculated data by the Wilson, NRTL, and UNIQUAC models are in good agreement with the measured VLE data. Meanwhile, the binary interaction parameters of the three models for the binary systems were regressed.
vapor-liquid equlibrium
thioglycolic acid
water
butyl acetate
butyl formate
isobutyl acetate
10.1021/acs.jced.6b00686
1
62
355-361
1
InChI=1S/C2H4O2S/c3-2(4)1-5/h5H,1H2,(H,3,4)
CWERGRDVMFNCDR-UHFFFAOYSA-N
2-mercaptoacetic acid
.alpha.-mercaptoacetic acid
2-mercaptoethanoic acid
2-thioglycolic acid
acetic acid, mercapto-
glycolic acid, 2-thio-
mercaptoacetic acid
thioglycolic acid
thiovanic acid
C2H4O2S
1
Commercial source
1
99
3
Stated by supplier
2
InChI=1S/C6H12O2/c1-3-4-5-8-6(2)7/h3-5H2,1-2H3
DKPFZGUDAPQIHT-UHFFFAOYSA-N
butyl ethanoate
acetic acid, butyl ester
butyl acetate
ethanoic acid, butyl ester
n-butyl acetate
C6H12O2
1
Commercial source
1
99
3
Stated by supplier
3
InChI=1S/C5H10O2/c1-2-3-4-7-5-6/h5H,2-4H2,1H3
NMJJFJNHVMGPGM-UHFFFAOYSA-N
butyl methanoate
butyl formate
formic acid, butyl ester
methanoic acid, butyl ester
n-butyl formate
C5H10O2
1
Commercial source
1
99
3
Stated by supplier
4
InChI=1S/H2O/h1H2
XLYOFNOQVPJJNP-UHFFFAOYSA-N
water
H2O
1
Commercial source
1
99.8
3
Estimated by the compiler
5
InChI=1S/C6H12O2/c1-5(2)4-8-6(3)7/h5H,4H2,1-3H3
GJRQTCIYDGXPES-UHFFFAOYSA-N
2-methylpropyl ethanoate
acetic acid, 2-methylpropyl ester
acetic acid, isobutyl ester
ethanoic acid, isobutyl ester
isobutyl acetate
isobutyl ethanoate
C6H12O2
1
Commercial source
1
99
3
Stated by supplier
1
1
1
Principal objective of the work
EP
EP
12/5/2016
1
Refractive index (Na D-line)
Standard Abbe refractometry
Liquid
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid
1
Temperature, K
Liquid
2
Pressure, kPa
Liquid
1
293.15
5
2
101.3
4
1
1.5027
5
1
0.0005
2
2
1
Principal objective of the work
EP
EP
11/23/2016
1
Refractive index (Na D-line)
Standard Abbe refractometry
Liquid
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid
1
Temperature, K
Liquid
2
Pressure, kPa
Liquid
1
293.15
5
2
101.3
4
1
1.394
5
1
0.0005
3
3
1
Principal objective of the work
EP
EP
12/5/2016
1
Refractive index (Na D-line)
Standard Abbe refractometry
Liquid
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid
1
Temperature, K
Liquid
2
Pressure, kPa
Liquid
1
293.15
5
2
101.3
4
1
1.3887
5
1
0.0005
4
4
1
Principal objective of the work
EP
EP
11/23/2016
1
Refractive index (Na D-line)
Standard Abbe refractometry
Liquid
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid
1
Temperature, K
Liquid
2
Pressure, kPa
Liquid
1
293.15
5
2
101.3
4
1
1.3327
5
1
0.0005
5
5
1
Principal objective of the work
SAM
XXX
11/21/2016
1
Refractive index (Na D-line)
Standard Abbe refractometry
Liquid
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid
1
Temperature, K
Liquid
2
Pressure, kPa
Liquid
1
293.15
5
2
101.3
4
1
1.3905
5
1
0.0005
6
1
1
4
1
Principal objective of the work
EP
EP
12/5/2016
1
Boiling temperature at pressure P, K
Ebulliometric method (Recirculating still)
Liquid
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid
Gas
1
Pressure, kPa
Liquid
101.3
4
1
Mole fraction
1
Liquid
1
0.0286
3
1
373.46
5
1
0.41
1
0.1317
4
1
376.09
5
1
0.41
1
0.1844
4
1
377.22
5
1
0.41
1
0.2369
4
1
378.49
5
1
0.41
1
0.3159
4
1
380.67
5
1
0.41
1
0.3811
4
1
382.77
5
1
0.41
1
0.4576
4
1
385.25
5
1
0.42
1
0.5573
4
1
391.11
5
1
0.43
1
0.6481
4
1
397.65
5
1
0.44
1
0.711
4
1
403.71
5
1
0.46
1
0.7698
4
1
410.15
5
1
0.47
7
1
1
4
1
Principal objective of the work
EP
EP
12/5/2016
1
Mole fraction
Chromatography
1
Gas
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Gas
Liquid
1
Pressure, kPa
Liquid
101.3
4
1
Mole fraction
1
Liquid
1
0.0286
3
1
0.0012
2
1
0.0012
1
0.1317
4
1
0.0037
2
1
0.002
1
0.1844
4
1
0.0046
2
1
0.002
1
0.2369
4
1
0.0053
2
1
0.002
1
0.3159
4
1
0.0071
2
1
0.002
1
0.3811
4
1
0.0087
2
1
0.002
1
0.4576
4
1
0.0105
3
1
0.002
1
0.5573
4
1
0.016
3
1
0.002
1
0.6481
4
1
0.0236
3
1
0.002
1
0.711
4
1
0.0331
3
1
0.0021
1
0.7698
4
1
0.0459
3
1
0.0021
8
1
1
2
1
Principal objective of the work
EP
EP
11/23/2016
1
Boiling temperature at pressure P, K
Ebulliometric method (Recirculating still)
Liquid
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid
Gas
1
Pressure, kPa
Liquid
101.3
4
1
Mole fraction
1
Liquid
1
0.0461
3
1
399.93
5
1
0.41
1
0.0854
3
1
400.73
5
1
0.41
1
0.1496
4
1
401.58
5
1
0.41
1
0.2236
4
1
403.9
5
1
0.42
1
0.2638
4
1
405.19
5
1
0.42
1
0.297
4
1
406.65
5
1
0.42
1
0.346
4
1
408.85
5
1
0.42
1
0.4067
4
1
411.65
5
1
0.42
1
0.4625
4
1
414.9
5
1
0.43
9
1
1
2
1
Principal objective of the work
SAM
XXX
11/21/2016
1
Mole fraction
Chromatography
1
Gas
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Gas
Liquid
1
Pressure, kPa
Liquid
101.3
4
1
Mole fraction
1
Liquid
1
0.0461
3
1
0.006
2
1
0.002
1
0.0854
3
1
0.0073
2
1
0.002
1
0.1496
4
1
0.0097
2
1
0.002
1
0.2236
4
1
0.0124
3
1
0.002
1
0.2638
4
1
0.014
3
1
0.002
1
0.297
4
1
0.016
3
1
0.002
1
0.346
4
1
0.0194
3
1
0.002
1
0.4067
4
1
0.0254
3
1
0.002
1
0.4625
4
1
0.0307
3
1
0.002
10
1
1
3
1
Principal objective of the work
EP
EP
11/23/2016
1
Boiling temperature at pressure P, K
Ebulliometric method (Recirculating still)
Liquid
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid
Gas
1
Pressure, kPa
Liquid
101.3
4
1
Mole fraction
1
Liquid
1
0.0743
3
1
381.37
5
1
0.42
1
0.1142
4
1
382.76
5
1
0.42
1
0.181
4
1
384.9
5
1
0.42
1
0.2437
4
1
386.83
5
1
0.42
1
0.2878
4
1
388.61
5
1
0.42
1
0.3461
4
1
390.67
5
1
0.42
1
0.392
4
1
392.59
5
1
0.42
11
1
1
3
1
Principal objective of the work
SAM
XXX
11/21/2016
1
Mole fraction
Chromatography
1
Gas
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Gas
Liquid
1
Pressure, kPa
Liquid
101.3
4
1
Mole fraction
1
Liquid
1
0.0743
3
1
0.0055
2
1
0.002
1
0.1142
4
1
0.0076
2
1
0.002
1
0.181
4
1
0.0104
3
1
0.002
1
0.2437
4
1
0.0126
3
1
0.002
1
0.2878
4
1
0.0142
3
1
0.002
1
0.3461
4
1
0.0165
3
1
0.002
1
0.392
4
1
0.0187
3
1
0.002
12
1
1
5
1
Principal objective of the work
EP
EP
11/23/2016
1
Boiling temperature at pressure P, K
Ebulliometric method (Recirculating still)
Liquid
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid
Gas
1
Pressure, kPa
Liquid
101.3
4
1
Mole fraction
1
Liquid
1
0.0733
3
1
390.75
5
1
0.41
1
0.1005
4
1
391.17
5
1
0.41
1
0.1539
4
1
392.74
5
1
0.42
1
0.212
4
1
394.76
5
1
0.42
1
0.2773
4
1
397.22
5
1
0.42
1
0.3495
4
1
400.57
5
1
0.42
1
0.4217
4
1
404.5
5
1
0.43
13
1
1
5
1
Principal objective of the work
SAM
XXX
11/21/2016
1
Mole fraction
Chromatography
1
Gas
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Gas
Liquid
1
Pressure, kPa
Liquid
101.3
4
1
Mole fraction
1
Liquid
1
0.0733
3
1
0.0029
2
1
0.002
1
0.1005
4
1
0.0036
2
1
0.002
1
0.1539
4
1
0.005
2
1
0.002
1
0.212
4
1
0.007
2
1
0.002
1
0.2773
4
1
0.0098
2
1
0.002
1
0.3495
4
1
0.0142
3
1
0.002
1
0.4217
4
1
0.0202
3
1
0.002