Clathrate hydrate formation in (methane + water + methylcyclohexanone) systems: The first phase equilibrium data

Ryo Ohmura, Tsutomu Uchida, Satoshi Takeya, Jiro Nagao, Hideki Minagawa, Takao Ebinuma, Hideo Narita

研究成果: Article査読

60 被引用数 (Scopus)

抄録

The present study experimentally demonstrated clathrate hydrate formation in the systems of (methane + water + each of the three methylcyclohexanone isomers, i.e., 2-methylcyclohexa-none, 3-methylcyclohexanone, and 4-methylcyclohexanone) and measured the first data of the quadruple (water rich liquid + hydrate + methylcyclohexanone rich liquid + methane rich vapor) equilibrium pressure and temperature conditions in these systems over the temperatures from T = 273 K to T = 281 K. In the three systems with methylcyclohexanone, the measured equilibrium pressure at each given temperature is ∼1.3 MPa lower than that in a structure-I hydrate forming (methane + water) system without any methylcyclohexanone, which suggests the formation of structure-H hydrates with methylcyclohexanones as large-molecule guest substances. Among the three systems, 3-methylcyclohexanone provides the highest equilibrium pressure, and 2-methylcyclohexanone, the lowest.

本文言語English
ページ(範囲)2045-2054
ページ数10
ジャーナルJournal of Chemical Thermodynamics
35
12
DOI
出版ステータスPublished - 2003 12月
外部発表はい

ASJC Scopus subject areas

  • 原子分子物理学および光学
  • 材料科学一般
  • 物理化学および理論化学

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