Solubility measurements for the CH4 + C2H6 + H2O system under hydrate-liquid-vapour equilibrium

被引：7
|
作者：
Lang, Francis [1 ]
Servio, Phillip [1 ]
机构：
[1] McGill Univ, Dept Chem Engn, Montreal, PQ, Canada
来源：
JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING | 2015年 / 26卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
Gas hydrate; Methane; Ethane; Gas mixture; Solubility; STRUCTURAL TRANSITIONS; HYDRATE FORMATION; MIXED-GAS; METHANE; ETHANE; WATER; CARBON; EQUILIBRIUM; MIXTURES; EQUATION;
D O I：
10.1016/j.jngse.2015.06.002
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Liquid and gas mole fractions were obtained at three-phase H-Lw-V equilibrium for the CH4 + C2H6 + H2O system at experimental conditions ranging from 275.1 to 279.1 K and 0.76-2.87 MPa. To ensure the system reached equilibrium while sampling, gaseous mole fractions were compared to literature values and were found to correspond. The solubility of both methane and ethane along isotherms is reported at various pressures. The effect of thermodynamic parameters on equilibrium liquid mole fractions can be observed. Additionally, structure transitions between 51 and sII were found to influence solubility trends. While scarce in literature, experimentally obtained liquid mole fractions at three-phase equilibrium conditions provide further insights into multicomponent gas hydrate system properties and establish a solid foundation for future studies. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：130 / 134
页数：5
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