CH<sub>4</sub> - Flue gas replacement occurring in sH hydrates and its significance for CH<sub>4</sub> recovery and CO<sub>2</sub> sequestration

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CH₄ - Flue gas replacement occurring in sH hydrates and its significance for CH₄ recovery and CO₂ sequestration

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作者：Yohan Lee^a ; Young-ju Seo^b ; Taewoong Ahn^b ; Jaehyoung Lee^b ; Joo Yong Lee^b ; Se-Joon Kim^b ; Yongwon Seo^a ; ^{ywseo@unist.ac.kr" class="auth_mail" title="E-mail the corresponding author}
关键词：Gas hydrate ; Flue gas ; Replacement ; CO2 sequestration ; Structure H ; Dissociation enthalpy
刊名：Chemical Engineering Journal
出版年：2017
出版时间：15 January 2017
年：2017
卷：308
期：Complete
页码：50-58
全文大小：1658 K

文摘

•: We experimentally verify the isostructural CH₄ – flue gas replacement that occurs in sH hydrate.
•: ¹³C NMR spectroscopy reveals that the initial CH₄ + NH hydrate does not undergo a structural transition during replacement.
•: CO₂ molecules preferentially occupy the medium 4³5⁶6³ cages during replacement.
•: ΔH_d values and heat flow monitoring using HP μ-DSC support the isostructural CH₄ – flue gas replacement in sH hydrates.

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