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Thermophysical Data for Process Design
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DDB# Name CAS-RN Formula
174 Water 7732-18-5 H2O Overview Details
913 Ethanethiol 75-08-1 C2H6S Overview Details
1050 Carbon dioxide 124-38-9 CO2 Overview Details
1051 Methane 74-82-8 CH4 Overview Details
2187 Methyldiethanolamine (MDEA) 105-59-9 C5H13NO2 Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water 4 363 260 32
913 Ethanethiol n.a. 3 n.a.
1050 Carbon dioxide 178 3
1051 Methane 5

Heats of Mixing (HE)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water n.a. 60 65 7
913 Ethanethiol n.a. n.a. n.a.
1050 Carbon dioxide 84 n.a.
1051 Methane n.a.

Gas Solubilities (GLE)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water 6 403 128 n.a.
913 Ethanethiol n.a. 1 n.a.
1050 Carbon dioxide n.a. 5
1051 Methane 1

Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water 8 n.a. n.a. n.a.
913 Ethanethiol n.a. n.a. n.a.
1050 Carbon dioxide n.a. n.a.
1051 Methane n.a.

Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water 6 37 n.a. n.a.
913 Ethanethiol n.a. n.a. n.a.
1050 Carbon dioxide n.a. n.a.
1051 Methane n.a.

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water n.a. n.a. n.a. 69
913 Ethanethiol n.a. n.a. n.a.
1050 Carbon dioxide n.a. n.a.
1051 Methane n.a.

(A)zeotropic Data (AZD)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water n.a. 29 11 11
913 Ethanethiol n.a. 3 n.a.
1050 Carbon dioxide 65 n.a.
1051 Methane n.a.

Solid-Liquid Equilibria (SLE)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water n.a. 1 1 6
913 Ethanethiol n.a. n.a. n.a.
1050 Carbon dioxide 31 n.a.
1051 Methane n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water n.a. 26 17 145
913 Ethanethiol n.a. n.a. n.a.
1050 Carbon dioxide 31 n.a.
1051 Methane n.a.

Critical Data of Mixtures (CRI)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water n.a. 13 5 n.a.
913 Ethanethiol n.a. n.a. n.a.
1050 Carbon dioxide 13 n.a.
1051 Methane n.a.

Mixture Viscosities (VIS)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water n.a. 21 n.a. 157
913 Ethanethiol n.a. n.a. n.a.
1050 Carbon dioxide 36 n.a.
1051 Methane n.a.

Mixture Surface Tensions (MSFT)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water n.a. 70 51 38
913 Ethanethiol n.a. n.a. n.a.
1050 Carbon dioxide 2 n.a.
1051 Methane n.a.

Mixture Speeds of Sound (MSOS)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water n.a. n.a. n.a. 6
913 Ethanethiol n.a. n.a. n.a.
1050 Carbon dioxide n.a. n.a.
1051 Methane n.a.

Mixture Thermal Conductivities (MTCN)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water n.a. 2 9 1
913 Ethanethiol n.a. n.a. n.a.
1050 Carbon dioxide 22 n.a.
1051 Methane n.a.

Mixture Dielectric Constants (MDEC)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water n.a. n.a. n.a. 4
913 Ethanethiol n.a. n.a. n.a.
1050 Carbon dioxide n.a. n.a.
1051 Methane n.a.

Mixture P-v-T Data (MPVT)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water n.a. 173 20 67
913 Ethanethiol n.a. n.a. n.a.
1050 Carbon dioxide 134 n.a.
1051 Methane n.a.

Gas Hydrate Data (GHD)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water n.a. 251 246 n.a.
913 Ethanethiol n.a. n.a. n.a.
1050 Carbon dioxide n.a. n.a.
1051 Methane n.a.

Electrical Conductivities (ECND)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water n.a. 8 n.a. n.a.
913 Ethanethiol n.a. n.a. n.a.
1050 Carbon dioxide n.a. n.a.
1051 Methane n.a.

Diffusion Coefficients (DIF)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water n.a. 28 8 9
913 Ethanethiol n.a. n.a. n.a.
1050 Carbon dioxide 7 n.a.
1051 Methane n.a.

Further Thermodynamic Properties (X)
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water 2 103 55 18
913 Ethanethiol n.a. n.a. n.a.
1050 Carbon dioxide 50 n.a.
1051 Methane n.a.

Total
DDB# Name 913 1050 1051 2187 Methyldiethanolamine (MDEA)
174 Water 26 1588 876 570
913 Ethanethiol n.a. 7 n.a.
1050 Carbon dioxide 653 8
1051 Methane 6

Dortmund Data Bank Version: February 2024
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