Equilibrium data and thermodynamic modelling of isopentane and 2,2,-dimethylpentane hydrates

K. K. Østergaard, B. Tohidi, A. Danesh, R. W. Burgass, A. C. Todd

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

Abstract

Experimental hydrate equilibrium data and thermodynamic modelling of isopentane and 2,2-dimethylpentane (2,2-DMP) are presented. Both compounds are reported to form structure-H gas hydrates in the presence of a help gas. Hydrate dissociation data for isopentane and 2,2-DMP in their binaries and ternaries with methane and/or nitrogen are measured and successfully modelled using an equation of state-based thermodynamic model. Indication of a change in the stable hydrate structure (structure-H to structure-I) for isopentane and 2,2-DMP in their binaries with methane at higher temperatures is also discussed.

Original languageEnglish
Pages (from-to)101-115
Number of pages15
JournalFluid Phase Equilibria
Volume169
Issue number1
DOIs
Publication statusPublished - 3 Mar 2000

Keywords

  • Alkanes
  • Data
  • Experimental
  • Hydrates
  • Model

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