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Thermophysical Data for Process Design
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DDB# Name CAS-RN Formula
41 n-Butane 106-97-8 C4H10 Overview Details
237 Propane 74-98-6 C3H8 Overview Details
316 2-Methylpropane 75-28-5 C4H10 Overview Details
1050 Carbon dioxide 124-38-9 CO2 Overview Details
1051 Methane 74-82-8 CH4 Overview Details
1054 Ethane 74-84-0 C2H6 Overview Details
1056 Nitrogen 7727-37-9 N2 Overview Details
Search for mixtures containing this mixture as subsystem

Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane 81 43 79 115 58 38
237 Propane 60 100 143 90 66
316 2-Methylpropane 24 30 20 16
1050 Carbon dioxide 178 85 138
1051 Methane 171 140
1054 Ethane 116

Heats of Mixing (HE)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane n.a. n.a. 20 10 3 8
237 Propane n.a. n.a. 13 28 12
316 2-Methylpropane n.a. n.a. n.a. n.a.
1050 Carbon dioxide 84 136 78
1051 Methane 11 50
1054 Ethane 2

Gas Solubilities (GLE)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane n.a. n.a. n.a. 1 1 2
237 Propane n.a. n.a. 1 n.a. 1
316 2-Methylpropane n.a. n.a. 1 6
1050 Carbon dioxide n.a. n.a. n.a.
1051 Methane n.a. n.a.
1054 Ethane 2

Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane n.a. n.a. n.a. n.a. n.a. n.a.
237 Propane n.a. n.a. n.a. n.a. n.a.
316 2-Methylpropane n.a. n.a. n.a. 1
1050 Carbon dioxide n.a. n.a. n.a.
1051 Methane n.a. n.a.
1054 Ethane n.a.

Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane n.a. n.a. n.a. n.a. n.a. n.a.
237 Propane n.a. n.a. n.a. n.a. 6
316 2-Methylpropane n.a. n.a. n.a. 1
1050 Carbon dioxide n.a. n.a. n.a.
1051 Methane n.a. n.a.
1054 Ethane 27

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane n.a. n.a. n.a. 3 n.a. n.a.
237 Propane n.a. n.a. 9 n.a. n.a.
316 2-Methylpropane n.a. n.a. n.a. n.a.
1050 Carbon dioxide n.a. n.a. n.a.
1051 Methane n.a. 4
1054 Ethane n.a.

(A)zeotropic Data (AZD)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane 38 18 31 36 21 8
237 Propane 38 47 34 28 13
316 2-Methylpropane 11 3 13 6
1050 Carbon dioxide 65 53 26
1051 Methane 53 58
1054 Ethane 24

Solid-Liquid Equilibria (SLE)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane n.a. n.a. 2 5 2 1
237 Propane n.a. 5 2 2 1
316 2-Methylpropane 2 n.a. n.a. 1
1050 Carbon dioxide 31 6 9
1051 Methane 5 8
1054 Ethane 20

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane 145 58 n.a. 1 1 n.a.
237 Propane 58 n.a. 4 40 n.a.
316 2-Methylpropane n.a. 1 n.a. n.a.
1050 Carbon dioxide 31 106 24
1051 Methane 42 71
1054 Ethane n.a.

Critical Data of Mixtures (CRI)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane 9 n.a. 10 7 10 3
237 Propane n.a. 11 8 6 3
316 2-Methylpropane 3 2 1 n.a.
1050 Carbon dioxide 13 12 9
1051 Methane 6 6
1054 Ethane 9

Mixture Viscosities (VIS)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane 5 5 1 32 5 1
237 Propane n.a. 2 93 13 1
316 2-Methylpropane n.a. n.a. n.a. n.a.
1050 Carbon dioxide 36 35 18
1051 Methane 43 55
1054 Ethane 1

Mixture Surface Tensions (MSFT)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane n.a. n.a. 3 n.a. n.a. n.a.
237 Propane 3 n.a. 5 n.a. n.a.
316 2-Methylpropane n.a. n.a. n.a. n.a.
1050 Carbon dioxide 2 n.a. n.a.
1051 Methane 9 15
1054 Ethane 1

Mixture Speeds of Sound (MSOS)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane n.a. n.a. n.a. 10 n.a. n.a.
237 Propane n.a. 34 21 n.a. n.a.
316 2-Methylpropane n.a. n.a. n.a. n.a.
1050 Carbon dioxide n.a. n.a. 1
1051 Methane 11 6
1054 Ethane n.a.

Mixture Thermal Conductivities (MTCN)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane n.a. n.a. n.a. 7 n.a. n.a.
237 Propane n.a. 1 12 n.a. 1
316 2-Methylpropane n.a. n.a. n.a. n.a.
1050 Carbon dioxide 22 12 18
1051 Methane 1 21
1054 Ethane 4

Mixture Dielectric Constants (MDEC)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane 2 n.a. n.a. 1 n.a. n.a.
237 Propane 1 n.a. 3 1 n.a.
316 2-Methylpropane n.a. 1 n.a. n.a.
1050 Carbon dioxide n.a. n.a. n.a.
1051 Methane 6 16
1054 Ethane n.a.

Mixture P-v-T Data (MPVT)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane 34 6 99 185 13 23
237 Propane 17 110 160 88 10
316 2-Methylpropane 27 52 6 n.a.
1050 Carbon dioxide 134 217 173
1051 Methane 81 118
1054 Ethane 45

Diffusion Coefficients (DIF)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane 1 n.a. n.a. 1 1 3
237 Propane 1 5 15 1 2
316 2-Methylpropane n.a. 1 1 n.a.
1050 Carbon dioxide 7 1 12
1051 Methane 1 2
1054 Ethane 3

Further Thermodynamic Properties (X)
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane 1 n.a. n.a. 10 1 n.a.
237 Propane 1 2 77 5 18
316 2-Methylpropane n.a. n.a. n.a. n.a.
1050 Carbon dioxide 50 26 14
1051 Methane 65 44
1054 Ethane 17

Total
DDB# Name 237 316 1050 1051 1054 1056 Nitrogen
41 n-Butane 316 130 245 424 116 87
237 Propane 179 317 600 302 134
316 2-Methylpropane 67 90 42 31
1050 Carbon dioxide 653 689 520
1051 Methane 505 614
1054 Ethane 271

Dortmund Data Bank Version: February 2024
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