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Seo, Yongwon
Advanced Clean Energy Lab (ACE Lab)
Research Interests
  • Gas Hydrates, Greenhouse Gas, Clean Energy

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Spectroscopy Identification and Thermodynamic Stability of tert-Butyl Nitrite and Methane Clathrate Hydrate

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Title
Spectroscopy Identification and Thermodynamic Stability of tert-Butyl Nitrite and Methane Clathrate Hydrate
Author
Sung, BoramShin, KyuchulCha, MinjunChoi, SukjeongLee, JaehyoungSeo, YongwonLee, Huen
Keywords
Gas storage capacity; High-power; Hydrate structures; Kinetic behavior; Methane clathrate hydrate; New high; New structures; NMR spectroscopy; Powder X ray diffraction; Structure H-hydrate; Thermal stability
Issue Date
2010-12
Publisher
AMER CHEMICAL SOC
Citation
JOURNAL OF CHEMICAL AND ENGINEERING DATA, v.55, no.12, pp.5906 - 5909
Abstract
Structure-H hydrate has been highlighted due to its higher gas storage capacity and favorable thermal stability. Here, we introduce a new structure-H hydrate former, tert-butyl nitrite, and identify it through spectroscopic analysis. The hydrate structure and guest distribution were examined by using powder X-ray diffraction, Raman spectroscopy, and solid-state high-power decoupling 13C NMR spectroscopy. The phase equilibria (Lw + H + Lg + V) of tert-butyl nitrite + CH4 hydrate were measured at pressures from (3 to 4.5) MPa and at temperatures from (277 to 282) K. We also investigated the kinetic behavior of this new high-polarity hydrate former.
URI
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DOI
10.1021/je100966g
ISSN
0021-9568
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UEE_Journal Papers
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