期刊
JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING
卷 26, 期 -, 页码 130-134出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jngse.2015.06.002
关键词
Gas hydrate; Methane; Ethane; Gas mixture; Solubility
资金
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- McGill University
- le Fonds Quebecois de la Recherche sur la Nature et les Technologies (FQRNT)
- Canada Research Chair Program (CRC)
- Eugene Ulmer Lamothe Fund (EUL) in the McGill Department of Chemical Engineering
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.
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