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Thermophysical Data for Process Design
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Query

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DDB#	Name	CAS-RN	Formula
110	Methanol	67-56-1	CH₄O	Overview	Details
174	Water	7732-18-5	H₂O	Overview	Details
1050	Carbon dioxide	124-38-9	CO₂	Overview	Details
1065	Hydrogen sulfide	7783-06-4	H₂S	Overview	Details
2187	Methyldiethanolamine (MDEA)	105-59-9	C₅H₁₃NO₂	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

Number of available sets is shown

**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	244	238	16	n.a.
174	Water		363	87	32
1050	Carbon dioxide			57	3
1065	Hydrogen sulfide				n.a.

**Heats of Mixing (HE)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	130	21	n.a.	n.a.
174	Water		60	13	7
1050	Carbon dioxide			n.a.	n.a.
1065	Hydrogen sulfide				n.a.

**Gas Solubilities (GLE)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	7	72	14	n.a.
174	Water		403	122	n.a.
1050	Carbon dioxide			n.a.	5
1065	Hydrogen sulfide				1

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	82	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
1050	Carbon dioxide			n.a.	n.a.
1065	Hydrogen sulfide				n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	n.a.	n.a.	n.a.	n.a.
174	Water		37	14	n.a.
1050	Carbon dioxide			n.a.	n.a.
1065	Hydrogen sulfide				n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	80	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	69
1050	Carbon dioxide			n.a.	n.a.
1065	Hydrogen sulfide				n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	181	41	11	n.a.
174	Water		29	n.a.	11
1050	Carbon dioxide			19	n.a.
1065	Hydrogen sulfide				n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	29	2	2	n.a.
174	Water		1	n.a.	6
1050	Carbon dioxide			7	n.a.
1065	Hydrogen sulfide				n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	581	12	n.a.	3
174	Water		26	n.a.	145
1050	Carbon dioxide			n.a.	n.a.
1065	Hydrogen sulfide				n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	4	13	1	n.a.
174	Water		13	13	n.a.
1050	Carbon dioxide			2	n.a.
1065	Hydrogen sulfide				n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	341	15	n.a.	7
174	Water		21	1	157
1050	Carbon dioxide			5	n.a.
1065	Hydrogen sulfide				n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	31	n.a.	n.a.	7
174	Water		70	5	38
1050	Carbon dioxide			n.a.	n.a.
1065	Hydrogen sulfide				n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	160	39	n.a.	n.a.
174	Water		n.a.	n.a.	6
1050	Carbon dioxide			n.a.	n.a.
1065	Hydrogen sulfide				n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	26	n.a.	n.a.	n.a.
174	Water		2	n.a.	1
1050	Carbon dioxide			12	n.a.
1065	Hydrogen sulfide				n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	49	13	n.a.	n.a.
174	Water		n.a.	n.a.	4
1050	Carbon dioxide			n.a.	n.a.
1065	Hydrogen sulfide				n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	175	68	n.a.	n.a.
174	Water		173	8	67
1050	Carbon dioxide			52	n.a.
1065	Hydrogen sulfide				n.a.

**Mixture Flash Points (MFLP)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	16	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
1050	Carbon dioxide			n.a.	n.a.
1065	Hydrogen sulfide				n.a.

**Gas Hydrate Data (GHD)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	n.a.	n.a.	n.a.	n.a.
174	Water		251	42	n.a.
1050	Carbon dioxide			n.a.	n.a.
1065	Hydrogen sulfide				n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	5	n.a.	n.a.	n.a.
174	Water		8	10	n.a.
1050	Carbon dioxide			n.a.	n.a.
1065	Hydrogen sulfide				n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	29	5	n.a.	n.a.
174	Water		28	8	9
1050	Carbon dioxide			n.a.	n.a.
1065	Hydrogen sulfide				n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	25	21	n.a.	n.a.
174	Water		103	13	18
1050	Carbon dioxide			54	n.a.
1065	Hydrogen sulfide				n.a.

**Total**
DDB#	Name	174	1050	1065	2187	Methyldiethanolamine (MDEA)
110	Methanol	2195	560	44	17
174	Water		1588	336	570
1050	Carbon dioxide			208	8
1065	Hydrogen sulfide				1

Dortmund Data Bank Version: February 2024

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