Experimental clathrate dissociations for the hydrogen + water and hydrogen + tetrabutylammonium bromide + water systems

Antonin Chapoy, Jebraeel Gholinezhad, Bahman Tohidi

    Research output: Contribution to journalArticlepeer-review

    27 Citations (SciVal)

    Abstract

    Hydrogen has only been recently recognized as a hydrate former, forming structure II hydrate (sII). In this communication, we report new experimental hydrate stability data for the binary hydrogen + water system at pressures ranging from (111.4 to 178.4) MPa and temperature down to 264.45 K. In addition, the formation and dissociation of so-called semiclathrates of hydrogen in the presence of tetrabutylammonium bromide (TBAB) were evaluated. The clathrate and semiclathrate dissociation measurements were conducted using a standard constant volume (isochoric) technique together with step-heating for achieving equilibrium conditions. © 2010 American Chemical Society.

    Original languageEnglish
    Pages (from-to)5323-5327
    Number of pages5
    JournalJournal of Chemical and Engineering Data
    Volume55
    Issue number11
    DOIs
    Publication statusPublished - 11 Nov 2010

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