Inclusion of thiophene as a co-guest in a structure II hydrate with methane gas
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作者:
Cha, Minjun
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CUNY City Coll, Dept Chem Engn, New York, NY 10031 USACUNY City Coll, Dept Chem Engn, New York, NY 10031 USA
Cha, Minjun
[1
]
Baek, Seungjun
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Korea Adv Inst Sci & Technol, Dept Chem & Biomol Engn, Taejon 305701, South KoreaCUNY City Coll, Dept Chem Engn, New York, NY 10031 USA
Baek, Seungjun
[2
]
Lee, Huen
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Korea Adv Inst Sci & Technol, Dept Chem & Biomol Engn, Taejon 305701, South KoreaCUNY City Coll, Dept Chem Engn, New York, NY 10031 USA
Lee, Huen
[2
]
Lee, Jae W.
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CUNY City Coll, Dept Chem Engn, New York, NY 10031 USA
Korea Adv Inst Sci & Technol, Dept Chem & Biomol Engn, Taejon 305701, South KoreaCUNY City Coll, Dept Chem Engn, New York, NY 10031 USA
Lee, Jae W.
[1
,2
]
机构:
[1] CUNY City Coll, Dept Chem Engn, New York, NY 10031 USA
[2] Korea Adv Inst Sci & Technol, Dept Chem & Biomol Engn, Taejon 305701, South Korea
Thiophene and its derivatives are found in crude oils and their molecular sizes indicate they could be clathrate hydrate formers. In this study, the formation of clathrate hydrates in the presence of thiophene and methane gas is identified through spectroscopic and thermodynamic investigations. Powder X-ray diffraction (PXRD) is used in order to identify the crystal structure of the binary (thiophene + CH4) clathrate hydrate, and PXRD patterns of the binary (thiophene + CH4) clathrate hydrate indicate the formation of structure II hydrate with methane gas. The unique inclusion and distribution of guest molecules such as thiophene and methane are verified through Raman spectroscopy. The thermodynamic stability of the binary (thiophene + CH4) clathrate hydrate is also investigated by using high pressure differential scanning calorimetry. The experimental results are valuable for a better understanding of the crystal structure, host-guest interaction and stability conditions in the binary (thiophene + CH4) clathrate hydrate.
机构:
Ulsan Natl Inst Sci & Technol, Sch Urban & Environm Engn, Ulsan 689798, South KoreaUlsan Natl Inst Sci & Technol, Sch Urban & Environm Engn, Ulsan 689798, South Korea
Lee, Youngjun
Lee, Seungmin
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Korea Inst Ind Technol, Offshore Plant Resources R&D Ctr, Pusan 618230, South KoreaUlsan Natl Inst Sci & Technol, Sch Urban & Environm Engn, Ulsan 689798, South Korea
Lee, Seungmin
Jin, Young Keun
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Korea Polar Res Inst, Div Polar Earth Syst Sci, Inchon 406840, South KoreaUlsan Natl Inst Sci & Technol, Sch Urban & Environm Engn, Ulsan 689798, South Korea
Jin, Young Keun
Seo, Yongwon
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Ulsan Natl Inst Sci & Technol, Sch Urban & Environm Engn, Ulsan 689798, South KoreaUlsan Natl Inst Sci & Technol, Sch Urban & Environm Engn, Ulsan 689798, South Korea
机构:
Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Peoples R China
Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Peoples R China
Yu, Yi-Song
Li, Xiao-Sen
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Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Peoples R China
Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Peoples R China