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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
174 Water 7732-18-5 H2O Overview Details
1051 Methane 74-82-8 CH4 Overview Details
1056 Nitrogen 7727-37-9 N2 Overview Details
1065 Hydrogen sulfide 7783-06-4 H2S Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane 44 115 38 30
174 Water 260 122 87
1051 Methane 140 39
1056 Nitrogen 8

Heats of Mixing (HE)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane 5 10 8 n.a.
174 Water 65 128 13
1051 Methane 50 9
1056 Nitrogen n.a.

Gas Solubilities (GLE)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane 28 1 2 n.a.
174 Water 128 265 122
1051 Methane n.a. n.a.
1056 Nitrogen n.a.

Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane 29 n.a. n.a. n.a.
174 Water n.a. n.a. n.a.
1051 Methane n.a. n.a.
1056 Nitrogen n.a.

Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane 92 n.a. n.a. n.a.
174 Water n.a. n.a. 14
1051 Methane n.a. 2
1056 Nitrogen n.a.

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane n.a. 3 n.a. n.a.
174 Water n.a. n.a. n.a.
1051 Methane 4 n.a.
1056 Nitrogen n.a.

(A)zeotropic Data (AZD)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane 25 36 8 14
174 Water 11 2 n.a.
1051 Methane 58 4
1056 Nitrogen 7

Solid-Liquid Equilibria (SLE)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane n.a. 5 1 1
174 Water 1 1 n.a.
1051 Methane 8 1
1056 Nitrogen 1

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane n.a. 1 n.a. n.a.
174 Water 17 15 n.a.
1051 Methane 71 1
1056 Nitrogen n.a.

Critical Data of Mixtures (CRI)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane 6 7 3 2
174 Water 5 2 13
1051 Methane 6 3
1056 Nitrogen n.a.

Mixture Viscosities (VIS)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane n.a. 32 1 n.a.
174 Water n.a. n.a. 1
1051 Methane 55 3
1056 Nitrogen n.a.

Mixture Surface Tensions (MSFT)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane 6 n.a. n.a. n.a.
174 Water 51 28 5
1051 Methane 15 n.a.
1056 Nitrogen n.a.

Mixture Speeds of Sound (MSOS)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane n.a. 10 n.a. n.a.
174 Water n.a. n.a. n.a.
1051 Methane 6 n.a.
1056 Nitrogen n.a.

Mixture Thermal Conductivities (MTCN)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane n.a. 7 n.a. n.a.
174 Water 9 2 n.a.
1051 Methane 21 n.a.
1056 Nitrogen n.a.

Mixture Dielectric Constants (MDEC)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane n.a. 1 n.a. n.a.
174 Water n.a. n.a. n.a.
1051 Methane 16 n.a.
1056 Nitrogen n.a.

Mixture P-v-T Data (MPVT)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane 12 185 23 n.a.
174 Water 20 12 8
1051 Methane 118 48
1056 Nitrogen 11

Gas Hydrate Data (GHD)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane 1 n.a. n.a. n.a.
174 Water 246 30 42
1051 Methane n.a. n.a.
1056 Nitrogen n.a.

Electrical Conductivities (ECND)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane n.a. n.a. n.a. n.a.
174 Water n.a. n.a. 10
1051 Methane n.a. n.a.
1056 Nitrogen n.a.

Diffusion Coefficients (DIF)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane 2 1 3 n.a.
174 Water 8 6 8
1051 Methane 2 n.a.
1056 Nitrogen n.a.

Further Thermodynamic Properties (X)
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane 26 10 n.a. n.a.
174 Water 55 18 13
1051 Methane 44 16
1056 Nitrogen 7

Total
DDB# Name 174 1051 1056 1065 Hydrogen sulfide
41 n-Butane 276 424 87 47
174 Water 876 631 336
1051 Methane 614 126
1056 Nitrogen 34

Dortmund Data Bank Version: February 2024
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