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Thermophysical Data for Process Design
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DDB#	Name	CAS-RN	Formula
237	Propane	74-98-6	C₃H₈	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
1292	Helium	7440-59-7	He	Overview	Details
44747	Hydrocarbon Mixture (C4+)			Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

Number of available sets is shown

**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	143	90	66	9	n.a.
1051	Methane		171	140	99	n.a.
1054	Ethane			116	36	n.a.
1056	Nitrogen				116	n.a.
1292	Helium					n.a.

**Heats of Mixing (HE)**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	13	28	12	n.a.	n.a.
1051	Methane		11	50	n.a.	n.a.
1054	Ethane			2	1	n.a.
1056	Nitrogen				n.a.	n.a.
1292	Helium					n.a.

**Gas Solubilities (GLE)**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	1	n.a.	1	n.a.	n.a.
1051	Methane		n.a.	n.a.	n.a.	n.a.
1054	Ethane			2	n.a.	n.a.
1056	Nitrogen				n.a.	n.a.
1292	Helium					n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	n.a.	n.a.	6	n.a.	n.a.
1051	Methane		n.a.	n.a.	n.a.	n.a.
1054	Ethane			27	n.a.	n.a.
1056	Nitrogen				n.a.	n.a.
1292	Helium					n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	9	n.a.	n.a.	n.a.	n.a.
1051	Methane		n.a.	4	n.a.	n.a.
1054	Ethane			n.a.	n.a.	n.a.
1056	Nitrogen				n.a.	n.a.
1292	Helium					n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	34	28	13	n.a.	n.a.
1051	Methane		53	58	n.a.	n.a.
1054	Ethane			24	n.a.	n.a.
1056	Nitrogen				32	n.a.
1292	Helium					n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	2	2	1	n.a.	n.a.
1051	Methane		5	8	n.a.	n.a.
1054	Ethane			20	n.a.	n.a.
1056	Nitrogen				n.a.	n.a.
1292	Helium					n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	4	40	n.a.	n.a.	n.a.
1051	Methane		42	71	n.a.	n.a.
1054	Ethane			n.a.	n.a.	n.a.
1056	Nitrogen				26	n.a.
1292	Helium					n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	8	6	3	n.a.	n.a.
1051	Methane		6	6	n.a.	n.a.
1054	Ethane			9	n.a.	n.a.
1056	Nitrogen				4	n.a.
1292	Helium					n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	93	13	1	n.a.	n.a.
1051	Methane		43	55	4	n.a.
1054	Ethane			1	n.a.	n.a.
1056	Nitrogen				31	n.a.
1292	Helium					n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	5	n.a.	n.a.	10	n.a.
1051	Methane		9	15	9	n.a.
1054	Ethane			1	n.a.	n.a.
1056	Nitrogen				6	n.a.
1292	Helium					n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	21	n.a.	n.a.	n.a.	n.a.
1051	Methane		11	6	10	n.a.
1054	Ethane			n.a.	n.a.	n.a.
1056	Nitrogen				4	n.a.
1292	Helium					n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	12	n.a.	1	n.a.	n.a.
1051	Methane		1	21	4	n.a.
1054	Ethane			4	n.a.	n.a.
1056	Nitrogen				7	n.a.
1292	Helium					n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	3	1	n.a.	n.a.	n.a.
1051	Methane		6	16	n.a.	n.a.
1054	Ethane			n.a.	n.a.	n.a.
1056	Nitrogen				n.a.	n.a.
1292	Helium					n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	160	88	10	n.a.	n.a.
1051	Methane		81	118	35	n.a.
1054	Ethane			45	n.a.	n.a.
1056	Nitrogen				105	n.a.
1292	Helium					n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	15	1	2	2	n.a.
1051	Methane		1	2	1	n.a.
1054	Ethane			3	1	n.a.
1056	Nitrogen				6	n.a.
1292	Helium					n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	77	5	18	n.a.	n.a.
1051	Methane		65	44	10	n.a.
1054	Ethane			17	n.a.	n.a.
1056	Nitrogen				13	n.a.
1292	Helium					n.a.

**Total**
DDB#	Name	1051	1054	1056	1292	44747	Hydrocarbon Mixture (C4+)
237	Propane	600	302	134	21	n.a.
1051	Methane		505	614	172	n.a.
1054	Ethane			271	38	n.a.
1056	Nitrogen				350	n.a.
1292	Helium					n.a.

Dortmund Data Bank Version: February 2024

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