Interfacial tension measurements in water-methane system at temperatures from 278.15 K to 298.15 K and pressures up to 10 MPa

Keita Yasuda, Yasuhiko H. Mori, Ryo Ohmura

研究成果: Article査読

20 被引用数 (Scopus)

抄録

This paper reports the measurements of the interfacial tension in a water-methane system at temperatures from 278.15 K to 298.15 K and pressures up to 10 MPa. The measurements using the pendant-drop method were performed at various pressures lower than or, at the highest, nearly equal to the hydrate/liquid/gas equilibrium pressure corresponding to each of the following prescribed temperatures: 278.15 K, 283.15 K, 288.15 K, 293.15 K and 298.15 K. The obtained data show that at each temperature the interfacial tension decreases almost linearly with the increasing pressure, indicating that the observed decrease in the interfacial tension results from the promotion of methane adsorption onto the interface with the increasing pressure.

本文言語English
ページ(範囲)170-175
ページ数6
ジャーナルFluid Phase Equilibria
413
DOI
出版ステータスPublished - 2016 4 15

ASJC Scopus subject areas

  • 化学工学(全般)
  • 物理学および天文学(全般)
  • 物理化学および理論化学

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