Phase Equilibria and Spectroscopic Identification of (2-Methylpropane-2-peroxol + Gaseous Guests) Hydrates

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DOIResolve DOI: http://doi.org/10.1021/je201156p
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TypeArticle
Journal titleJournal of Chemical & Engineering Data
ISSN0021-9568
1520-5134
Volume57
Issue4
Pages11281133; # of pages: 6
AbstractIn this study, we introduce a new structure-II hydrate former, 2-methylpropane-2-peroxol (tert-butyl hydroperoxide, TBHP), and identify the structure and guest distributions through spectroscopic tools including high-resolution powder diffraction (HRPD), ¹³C solid-state NMR, and Raman spectroscopy. Here, the (H + L + V) phase equilibrium data of (TBHP + X) hydrates (X = CH4, N2, and O2) were measured at (3.3 to 7.56) MPa and (282.2 to 288.5) K for CH4, (4.0 to 8.5) MPa and (271.6 to 277.5) K for N2, and (4.0 to 8.6) MPa and (273.8 to 279.6) K for O2. The (TBHP + X) hydrate phase equilibria showed that the addition of TBHP increased the structural stability with lower hydrate dissociation pressures when compared with those of pure CH4, N2, and O2 hydrates. However, we noticed that the TBHP did not promote hydrate formation conditions as effectively as tetrahydrofuran.
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LanguageEnglish
Peer reviewedYes
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NPARC number21269050
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Record identifieree6eda43-5a9c-4ee2-879a-0d52811cc10e
Record created2013-12-03
Record modified2016-05-09
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