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

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• 作者：Boram Sung ; Kyuchul Shin ; Minjun Cha ; Sukjeong Choi ; Jaehyoung Lee ; Yongwon Seo ; Huen Lee
• 刊名：Journal of Chemical & Engineering Data
• 出版年：2010
• 出版时间：December 9, 2010
• 年：2010
• 卷：55
• 期：12
• 页码：5906-5909
• 全文大小：201K
• 年卷期：v.55,no.12(December 9, 2010)
• ISSN：1520-5134

文摘

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 (L_w + H + L_g + 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.