High-Pressure Phase Equilibria in the Binary System (Methane + 5-α-Cholestane)

In this paper, experimental data on the phase behavior of the binary system (methane + 5-α-cholestane) are presented. Experiments were carried out according to the synthetic method. The temperature range investigated was from 320 K to 450 K. The pressures applied did not exceed 250 MPa. Vapor−liquid...

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Veröffentlicht in:Journal of Chemical and Engineering Data 1997-01, Vol.42 (1), p.64-68
Hauptverfasser: Flöter, Eckhard, Brumm, Christof, de Loos, Theodoor W, de Swaan Arons, Jakob
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container_issue 1
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container_title Journal of Chemical and Engineering Data
container_volume 42
creator Flöter, Eckhard
Brumm, Christof
de Loos, Theodoor W
de Swaan Arons, Jakob
description In this paper, experimental data on the phase behavior of the binary system (methane + 5-α-cholestane) are presented. Experiments were carried out according to the synthetic method. The temperature range investigated was from 320 K to 450 K. The pressures applied did not exceed 250 MPa. Vapor−liquid equilibria have been measured for 18 different mixtures. Additionally, the melting curve of pure 5-α-cholestane and the course of the three-phase curve (solid 5-α-cholestane + liquid + vapor) was determined. The second critical end point was located at a temperature T = (342.2 ± 0.5) K, a pressure p = (193.3 ± 0.4) MPa, and a mole fraction of 5-α-cholestane in the critical fluid phase x = 0.049 ± 0.004.
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Chem. Eng. Data</addtitle><date>1997-01-01</date><risdate>1997</risdate><volume>42</volume><issue>1</issue><spage>64</spage><epage>68</epage><pages>64-68</pages><issn>0021-9568</issn><eissn>1520-5134</eissn><coden>JCEAAX</coden><abstract>In this paper, experimental data on the phase behavior of the binary system (methane + 5-α-cholestane) are presented. Experiments were carried out according to the synthetic method. The temperature range investigated was from 320 K to 450 K. The pressures applied did not exceed 250 MPa. Vapor−liquid equilibria have been measured for 18 different mixtures. Additionally, the melting curve of pure 5-α-cholestane and the course of the three-phase curve (solid 5-α-cholestane + liquid + vapor) was determined. The second critical end point was located at a temperature T = (342.2 ± 0.5) K, a pressure p = (193.3 ± 0.4) MPa, and a mole fraction of 5-α-cholestane in the critical fluid phase x = 0.049 ± 0.004.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/je960214p</doi><tpages>5</tpages></addata></record>
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subjects 02 PETROLEUM
03 NATURAL GAS
BINARY MIXTURES
Chemistry
EQUILIBRIUM
Exact sciences and technology
EXPERIMENTAL DATA
General and physical chemistry
METHANE
Others (including liquid-liquid-vapor equilibria)
PETROLEUM PRODUCTS
PHASE DIAGRAMS
Phase equilibria
PHASE STUDIES
RESERVOIR FLUIDS
title High-Pressure Phase Equilibria in the Binary System (Methane + 5-α-Cholestane)
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