Mixture of Methane + Isobutane

Datasets

1. Mole fraction (4)
2. P_c - Critical pressure, kPa (2)
3. P_vap - Vapor or sublimation pressure, kPa (6)
4. T_c - Critical temperature, K (2)

Mole fraction of Isobutane (2) [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of Methane (1) - Liquid	Mole fraction of Isobutane (2) - Gas
273.47	0.5160	0.0753
263.56	0.5237	0.0572
253.60	0.5371	0.0420
243.61	0.5561	0.0302
243.60	0.5523	0.0308
243.58	0.5607	0.0313
233.57	0.5817	0.0204
223.49	0.6151	0.0155
213.39	0.6565	0.0097
203.25	0.7133	0.0059
243.60	0.7043	0.0506
243.60	0.6749	0.0431
243.60	0.6345	0.0394
243.59	0.6386	0.0381
243.60	0.5523	0.0308
243.60	0.4971	0.0287
243.60	0.3734	0.0263
243.60	0.2300	0.0305

Mole fraction of Isobutane (2) [ref]

Fixed		Measured
Mole fraction of Isobutane (2) - Liquid	Temperature, K - Liquid	Mole fraction of Isobutane (2) - Gas
0.1972	191.50	0.0023
0.3279	210.60	0.0063
0.3776	220.90	0.0118
0.4116	232.10	0.0196
0.4327	240.50	0.0261
0.4506	251.40	0.0394
0.3658	250.70	0.0472

Mole fraction of Isobutane (2) [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of Methane (1) - Liquid	Mole fraction of Isobutane (2) - Gas
273.47	0.5160	0.0753
263.56	0.5237	0.0572
253.60	0.5371	0.0420
243.61	0.5561	0.0302
243.60	0.5523	0.0308
243.58	0.5607	0.0313
233.57	0.5817	0.0204
223.49	0.6151	0.0155
213.39	0.6565	0.0097
203.25	0.7133	0.0059
243.60	0.7043	0.0506
243.60	0.6749	0.0431
243.60	0.6345	0.0394
243.59	0.6386	0.0381
243.60	0.5523	0.0308
243.60	0.4971	0.0287
243.60	0.3734	0.0263
243.60	0.2300	0.0305

Mole fraction of Isobutane (2) [ref]

Fixed		Measured
Mole fraction of Isobutane (2) - Liquid	Temperature, K - Liquid	Mole fraction of Isobutane (2) - Gas
0.1972	191.50	0.0023
0.3279	210.60	0.0063
0.3776	220.90	0.0118
0.4116	232.10	0.0196
0.4327	240.50	0.0261
0.4506	251.40	0.0394
0.3658	250.70	0.0472

Critical pressure, kPa [ref]

Mole fraction of Methane (1) - Liquid	Critical pressure, kPa - Liquid
0.0000	3620.00
0.1860	5320.00
0.4190	7770.00
0.4700	8380.00
0.5420	9470.00
0.6160	10690.00
0.6230	10780.00
0.6700	11370.00
0.6950	11540.00
0.7110	11630.00

Critical pressure, kPa [ref]

Mole fraction of Methane (1) - Liquid	Critical pressure, kPa - Liquid
0.0000	3620.00
0.1860	5320.00
0.4190	7770.00
0.4700	8380.00
0.5420	9470.00
0.6160	10690.00
0.6230	10780.00
0.6700	11370.00
0.6950	11540.00
0.7110	11630.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of Methane (1) - Liquid	Vapor or sublimation pressure, kPa - Liquid
273.47	0.5160	8329.00
263.56	0.5237	7819.00
253.60	0.5371	7306.00
243.61	0.5561	6785.00
243.60	0.5523	6735.00
243.58	0.5607	6824.00
233.57	0.5817	6251.00
223.49	0.6151	5714.00
213.39	0.6565	5118.00
203.25	0.7133	4503.00
243.60	0.7043	8684.00
243.60	0.6749	8280.00
243.60	0.6345	7854.00
243.59	0.6386	7847.00
243.60	0.5523	6735.00
243.60	0.4971	6041.00
243.60	0.3734	4418.00
243.60	0.2300	2642.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of Isobutane (2) - Liquid	Vapor or sublimation pressure, kPa - Liquid
151.40	0.0777	1065.00
170.80	0.0935	2251.00
171.20	0.1134	2214.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Isobutane (2) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.1972	191.50	3767.00
0.3279	210.60	5071.00
0.3776	220.90	5637.00
0.4116	232.10	6226.00
0.4327	240.50	6703.00
0.4506	251.40	7231.00
0.3658	250.70	8378.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of Methane (1) - Liquid	Vapor or sublimation pressure, kPa - Liquid
273.47	0.5160	8329.00
263.56	0.5237	7819.00
253.60	0.5371	7306.00
243.61	0.5561	6785.00
243.60	0.5523	6735.00
243.58	0.5607	6824.00
233.57	0.5817	6251.00
223.49	0.6151	5714.00
213.39	0.6565	5118.00
203.25	0.7133	4503.00
243.60	0.7043	8684.00
243.60	0.6749	8280.00
243.60	0.6345	7854.00
243.59	0.6386	7847.00
243.60	0.5523	6735.00
243.60	0.4971	6041.00
243.60	0.3734	4418.00
243.60	0.2300	2642.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of Isobutane (2) - Liquid	Vapor or sublimation pressure, kPa - Liquid
151.40	0.0777	1065.00
170.80	0.0935	2251.00
171.20	0.1134	2214.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Isobutane (2) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.1972	191.50	3767.00
0.3279	210.60	5071.00
0.3776	220.90	5637.00
0.4116	232.10	6226.00
0.4327	240.50	6703.00
0.4506	251.40	7231.00
0.3658	250.70	8378.00

Critical temperature, K [ref]

Mole fraction of Methane (1) - Liquid	Critical temperature, K - Liquid
0.0000	409.90
0.1860	396.20
0.4190	372.80
0.4700	365.80
0.5420	350.90
0.6160	330.30
0.6230	328.50
0.6700	313.10
0.6950	304.70
0.7110	299.20

Critical temperature, K [ref]

Mole fraction of Methane (1) - Liquid	Critical temperature, K - Liquid
0.0000	409.90
0.1860	396.20
0.4190	372.80
0.4700	365.80
0.5420	350.90
0.6160	330.30
0.6230	328.50
0.6700	313.10
0.6950	304.70
0.7110	299.20

Sources

• Reference Quality Vapor-Liquid Equilibrium Data for the Binary Systems Methane + Ethane, + Propane, + Butane and, + 2-Methylpropane, at Temperatures from (203 to 273) K and Pressures to 9 MPa
• Critical Temperatures and Pressures of Several Binary and Ternary Mixtures Concerning the Alkylation of 2-Methylpropane with 1-Butene in the Presence of Methane or Carbon Dioxide
• Vapour Liquid Equilibria Measurements of Methane + 2- Methylpropane (Isobutane) at Temperatures from (150 to 250) K and Pressures to 9 MPa