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

    49 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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