Phase equilibrium calculation for clathrate hydrates based on a statistical thermodynamics model: An attempt to optimize the kihara parameters for methane and ethane

Emi Sato, Tatsuya Miyoshi, Ryo Ohmura, Kenji Yasuoka

研究成果: Article査読

3 被引用数 (Scopus)

抄録

An attempt was made to determine new Kihara parameters for methane and ethane with which the phase equilibrium pressure-temperature conditions for the simple methane and ethane hydrates can be accurately calculated based on the van der Waals-Platteeuw theory. The predictions with these new parameters were compared with those due to the other hydrate phase equilibrium prediction programs and the previously reported Kihara parameters as well as with the experimental values to examine the utility of the parameters. The results indicated that the phase equilibria for the simple methane and ethane hydrates are well reproduced with the new parameters determined in the present study, whereas the phase equilibria for the methane + ethane and methane + propane double hydrates were not well reproduced with the new parameters.

本文言語English
ページ(範囲)5944-5950
ページ数7
ジャーナルJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
46
9 A
DOI
出版ステータスPublished - 2007 9月 7

ASJC Scopus subject areas

  • 工学一般
  • 物理学および天文学一般

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