Mixture of Ethanol + Isobutane

Datasets

1. Mole fraction (4)
2. P_vap - Vapor or sublimation pressure, kPa (2)
3. Vapor or sublimation pressure, kPa (4)

Mole fraction of Isobutane (2) [ref]

Fixed		Measured
Mole fraction of Isobutane (2) - Liquid	Temperature, K - Liquid	Mole fraction of Isobutane (2) - Gas
0.0000	313.20	0.0000
0.0766	313.20	0.9204
0.1661	313.20	0.9526
0.2945	313.20	0.9674
0.5206	313.30	0.9731
0.6459	313.30	0.9743
0.6896	313.20	0.9744
0.9036	313.20	0.9788
1.0000	313.20	1.0000
0.0000	333.20	0.0000
0.0589	333.20	0.8403
0.0765	333.20	0.8687
0.1900	333.20	0.9274
0.4696	333.30	0.9520
0.6858	333.20	0.9559
0.7333	333.20	0.9575
0.8530	333.20	0.9616
1.0000	333.20	1.0000
0.0000	353.20	0.0000
0.0433	353.30	0.7001
0.0516	353.30	0.7342
0.2369	353.20	0.9059
0.7255	353.20	0.9461
0.8483	353.30	0.9431
1.0000	353.20	1.0000
0.0000	373.20	0.0000
0.0205	373.20	0.4069
0.0489	373.20	0.6256
0.2192	373.20	0.8449
0.4242	373.20	0.8809
0.6886	373.20	0.9031
1.0000	373.20	1.0000
0.0000	403.20	0.0000
0.0417	403.20	0.4265
0.2059	403.20	0.7245
0.3660	403.20	0.7853
0.5466	403.20	0.8156
1.0000	403.20	1.0000

Azeotropic composition: mole fraction of Isobutane (2) [ref]

Temperature, K - Liquid	Azeotropic composition: mole fraction of Isobutane (2) - Liquid
353.20	0.9930
373.20	0.9760
403.20	0.9490

Mole fraction of Isobutane (2) [ref]

Fixed		Measured
Mole fraction of Isobutane (2) - Liquid	Temperature, K - Liquid	Mole fraction of Isobutane (2) - Gas
0.0000	313.20	0.0000
0.0766	313.20	0.9204
0.1661	313.20	0.9526
0.2945	313.20	0.9674
0.5206	313.30	0.9731
0.6459	313.30	0.9743
0.6896	313.20	0.9744
0.9036	313.20	0.9788
1.0000	313.20	1.0000
0.0000	333.20	0.0000
0.0589	333.20	0.8403
0.0765	333.20	0.8687
0.1900	333.20	0.9274
0.4696	333.30	0.9520
0.6858	333.20	0.9559
0.7333	333.20	0.9575
0.8530	333.20	0.9616
1.0000	333.20	1.0000
0.0000	353.20	0.0000
0.0433	353.30	0.7001
0.0516	353.30	0.7342
0.2369	353.20	0.9059
0.7255	353.20	0.9461
0.8483	353.30	0.9431
1.0000	353.20	1.0000
0.0000	373.20	0.0000
0.0205	373.20	0.4069
0.0489	373.20	0.6256
0.2192	373.20	0.8449
0.4242	373.20	0.8809
0.6886	373.20	0.9031
1.0000	373.20	1.0000
0.0000	403.20	0.0000
0.0417	403.20	0.4265
0.2059	403.20	0.7245
0.3660	403.20	0.7853
0.5466	403.20	0.8156
1.0000	403.20	1.0000

Azeotropic composition: mole fraction of Isobutane (2) [ref]

Temperature, K - Liquid	Azeotropic composition: mole fraction of Isobutane (2) - Liquid
353.20	0.9930
373.20	0.9760
403.20	0.9490

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Isobutane (2) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.0000	313.20	18.00
0.0766	313.20	204.00
0.1661	313.20	336.00
0.2945	313.20	439.00
0.5206	313.30	497.00
0.6459	313.30	507.00
0.6896	313.20	512.00
0.9036	313.20	522.00
1.0000	313.20	536.00
0.0000	333.20	47.00
0.0589	333.20	271.00
0.0765	333.20	328.00
0.1900	333.20	578.00
0.4696	333.30	788.00
0.6858	333.20	832.00
0.7333	333.20	840.00
0.8530	333.20	857.00
1.0000	333.20	880.00
0.0000	353.20	108.00
0.0433	353.30	340.00
0.0516	353.30	390.00
0.2369	353.20	957.00
0.7255	353.20	1280.00
0.8483	353.30	1326.00
1.0000	353.20	1363.00
0.0000	373.20	224.00
0.0205	373.20	375.00
0.0489	373.20	580.00
0.2192	373.20	1337.00
0.4242	373.20	1685.00
0.6886	373.20	1880.00
1.0000	373.20	2014.00
0.0000	403.20	572.00
0.0417	403.20	990.00
0.2059	403.20	2070.00
0.3660	403.20	2620.00
0.5466	403.20	2952.00
1.0000	403.20	3377.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Isobutane (2) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.0000	313.20	18.00
0.0766	313.20	204.00
0.1661	313.20	336.00
0.2945	313.20	439.00
0.5206	313.30	497.00
0.6459	313.30	507.00
0.6896	313.20	512.00
0.9036	313.20	522.00
1.0000	313.20	536.00
0.0000	333.20	47.00
0.0589	333.20	271.00
0.0765	333.20	328.00
0.1900	333.20	578.00
0.4696	333.30	788.00
0.6858	333.20	832.00
0.7333	333.20	840.00
0.8530	333.20	857.00
1.0000	333.20	880.00
0.0000	353.20	108.00
0.0433	353.30	340.00
0.0516	353.30	390.00
0.2369	353.20	957.00
0.7255	353.20	1280.00
0.8483	353.30	1326.00
1.0000	353.20	1363.00
0.0000	373.20	224.00
0.0205	373.20	375.00
0.0489	373.20	580.00
0.2192	373.20	1337.00
0.4242	373.20	1685.00
0.6886	373.20	1880.00
1.0000	373.20	2014.00
0.0000	403.20	572.00
0.0417	403.20	990.00
0.2059	403.20	2070.00
0.3660	403.20	2620.00
0.5466	403.20	2952.00
1.0000	403.20	3377.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of Isobutane (2) - Liquid	Vapor or sublimation pressure, kPa - Gas
313.07	0.0000	17.77
313.07	0.1959	378.55
313.07	0.2459	415.25
313.07	0.2985	442.55
313.07	0.3496	461.45
313.07	0.4006	475.15
313.07	0.4491	484.45
313.07	0.4981	491.75
313.07	0.5480	497.65
313.07	0.5978	502.35
313.08	0.0305	110.57
313.08	0.0489	157.77
313.08	0.0972	256.06
313.08	0.1457	326.76
313.08	0.6475	506.35
313.08	0.6978	509.95
313.08	1.0000	530.05
313.09	0.7480	513.45
313.09	0.7987	516.95
313.09	0.8495	520.85
313.09	0.9008	524.95
313.09	0.9520	529.35
313.09	0.9908	531.85

Azeotropic pressure, kPa [ref]

Temperature, K - Liquid	Azeotropic pressure, kPa - Liquid
353.20	1357.00
373.20	2015.00
403.20	3411.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of Isobutane (2) - Liquid	Vapor or sublimation pressure, kPa - Gas
313.07	0.0000	17.77
313.07	0.1959	378.55
313.07	0.2459	415.25
313.07	0.2985	442.55
313.07	0.3496	461.45
313.07	0.4006	475.15
313.07	0.4491	484.45
313.07	0.4981	491.75
313.07	0.5480	497.65
313.07	0.5978	502.35
313.08	0.0305	110.57
313.08	0.0489	157.77
313.08	0.0972	256.06
313.08	0.1457	326.76
313.08	0.6475	506.35
313.08	0.6978	509.95
313.08	1.0000	530.05
313.09	0.7480	513.45
313.09	0.7987	516.95
313.09	0.8495	520.85
313.09	0.9008	524.95
313.09	0.9520	529.35
313.09	0.9908	531.85

Azeotropic pressure, kPa [ref]

Temperature, K - Liquid	Azeotropic pressure, kPa - Liquid
353.20	1357.00
373.20	2015.00
403.20	3411.00

Sources

• Vapour liquid equilibrium for the 2-methylpropane + methanol, +ethanol, +2-propanol, +2-butanol and +2-methyl-2-propanol systems at 313.15K
• High pressure vapor-liquid equilibria measurements and modeling of butane/ethanol system and isobutane/ethanol system