Mixture of Ethyl ether + Water

Datasets

1. Activity coefficient (2)
2. Henry's Law constant (molality scale), kPa*kg/mol
3. P [kPa] x T [K] x x1[mol/mol]
4. Vapor Liquid Equilibrium at Constant Temperature (2)

Activity coefficient of Ethyl ether (1) [ref]

Operational condition: Mole fraction = 0 (Liquid)

Temperature, K - Liquid	Activity coefficient of Ethyl ether (1) - Liquid
273.35	33.9
278.15	41.2
283.15	49.4
288.15	58.5
293.15	68.6
298.15	77.1
303.15	88.8
308.15	98.8
318.15	121.0
328.15	139.5

Activity coefficient of Ethyl ether (1) [ref]

Operational conditions:

• Pressure, kPa = 101.325 (Liquid)
• Mole fraction = 0 (Liquid)

Temperature, K - Liquid	Activity coefficient of Ethyl ether (1) - Liquid
303.25	90.1
313.25	113.0
323.25	135.0
333.25	158.0

Henry's Law constant (molality scale), kPa*kg/mol of Ethyl ether (1) [ref]

Operational condition: Mole fraction = 0 (Liquid)

Temperature, K - Liquid	Henry's Law constant (molality scale), kPa*kg/mol of Ethyl ether (1) - Liquid
274.15	16.0
294.65	68.0
294.65	70.0
296.15	77.0
310.15	206.0
320.15	427.0
331.15	803.0

P [kPa] x T [K] x x1[mol/mol] [ref]

Fixed	Measured
P [kPa] - VLE	T [K] - VLE	x1[mol/mol] of Ethyl ether (1) - Liquid
3546.375	463.3	0.9760
3637.568	465.05	0.9760
3738.892	466.65	0.9760
3779.423	467.15	0.9760
3749.025	466.45	0.9760
3718.628	465.85	0.9760
3667.965	464.9	0.9760
3546.375	462.65	0.9760
3298.129	457.75	0.9760
3080.28	453.35	0.9760
2826.968	448.0	0.9760
2639.516	443.65	0.9760
2431.8	438.65	0.9760
2249.415	433.9	0.9760

Vapor Liquid Equilibrium at Constant Temperature [ref]

Operational condition: Temperature, K = 298.15 (VLE)

P [kPa] - VLE	x1[mol/mol] of Ethyl ether (1) - Liquid
3.168	0.0000
17.265	0.0020
27.264	0.0040
35.904	0.0060
43.73	0.0080
51.036	0.0100
58.155	0.0120
65.235	0.0140
71.887	0.0159
71.887	0.9502
71.874	0.9600
71.847	0.9700
71.821	0.9800
71.701	0.9900
71.447	1.0000

Vapor Liquid Equilibrium at Constant Temperature [ref]

Operational condition: Temperature, K = 308.15 (VLE)

P [kPa] - VLE	x1[mol/mol] of Ethyl ether (1) - Liquid
5.633	0.0000
18.758	0.0014
33.033	0.0028
45.083	0.0042
57.298	0.0055
68.68	0.0069
79.064	0.0083
89.633	0.0096
100.205	0.0111
104.657	0.9536
104.589	0.9617
104.445	0.9715
104.171	0.9818
103.802	0.9901
103.264	1.0000

Sources

• Dortmund Data Bank Vapor-Liquid Equilibrium Data
• Temperature dependence of limiting activity coefficients and Henry s law constants of cyclic and open-chain ethers in water
• Measurement of Activity Coefficients at Infinite Dilution of Benzene, Toluene, Ethanol, Esters, Ketones, and Ethers at Various Temperatures in Water Using the Dilutor Technique
• Determination of Henry's Law Constants Using Internal Standards with Benchmark Values

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