Knowledge Management System Of Guangzhou Institute of Energy Conversion, CAS
| Microscopic Insights into the Effect of the Initial Gas-Liquid Interface on Hydrate Formation by In-Situ Raman in the System of Coalbed Methane and Tetrahydrofuran | |
Cai, Jing1,2,3,4; Lv, Tao5; Li, Xiao-Sen1,2,3 ; Xu, Chun-Gang1,2,3; von Solms, Nicolas4; Liang, Xiaodong4
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| 2021-12-28 | |
| Source Publication | ACS OMEGA
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| ISSN | 2470-1343 |
| Volume | 6Issue:51Pages:35467-35475 |
| Corresponding Author | Li, Xiao-Sen(lixs@ms.giec.ac.cn) |
| Abstract | The serious issues of energy shortage and greenhouse gas emission have led to the development of coalbed methane (CBM) with new commercial ramifications. A hydrate-based gas separation technology is introduced to recover methane from CBM. However, the mechanism of hydrate nucleation needs to be clear for enhancing the hydrate formation rate and gas recovery efficiency. In this work, we studied, by means of in-situ Raman spectroscopy, the microscopic characterizations of hydrates forming in/around the initial gas-liquid interface in the case of CBM and tetrahydrofuran (THF). It is found that the hydrates accumulate as a film with horizontal crevices in the initial gas-liquid interface. These crevices prevent the hydrate film from hindering gas-liquid contact and limiting hydrate formation. Raman spectroscopy results illustrate that the initial gas-liquid interface shows a positive impact on water aggregation, and that the holding gas molecules stay stably with the water molecules. Nitrogen molecules encage into the cavities of THF hydrates along with methane molecules. For the interface and hydrate layer, water aggregation is evaluated by the Raman intensity ratio of hydrogen-bonded water (BW) and free water (FW) without any hydrogen bonds, abbreviated as I-BW/I-FW. A value of I-BW/I-FW higher than 0.85 can symbolize the occurrence of hydrate nucleation in the interface and help assess the hydrate formation. |
| DOI | 10.1021/acsomega.1c04907 |
| WOS Keyword | PRESSURE SWING ADSORPTION ; CARBON-DIOXIDE ; MINE GAS ; HYDROGEN CLUSTERS ; CLATHRATE HYDRATE ; SEPARATION ; BED ; CYCLOPENTANE ; RECOVERY ; NITROGEN |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | Key Program of the National Natural Science Foundation of China[51736009] ; Key Program of the National Natural Science Foundation of China[51676190] ; Guangdong Special Support Program-Local Innovation and Entrepreneurship Team Project[2019BT02L278] ; Special Project for Marine Economy Development of Guangdong Province[GDME-2018D002] ; Special Project for Marine Economy Development of Guangdong Province[GDME-2020D044] ; Youth Innovation Promotion Association CAS[2018382] ; Science and Technology Apparatus Development Program of the Chinese Academy of Sciences[YJKYYQ20200061] ; Fundamental Research & Applied Fundamental Research Major Project of Guangdong Province[2019B030302004] ; Fundamental Research & Applied Fundamental Research Major Project of Guangdong Province[2020B0301030003] ; Guangdong International Talent Training Program-Postdoctoral Project[2019001] ; Key Laboratory Fund of Gas Hydrate[E029020201] |
| WOS Research Area | Chemistry |
| Funding Organization | Key Program of the National Natural Science Foundation of China ; Guangdong Special Support Program-Local Innovation and Entrepreneurship Team Project ; Special Project for Marine Economy Development of Guangdong Province ; Youth Innovation Promotion Association CAS ; Science and Technology Apparatus Development Program of the Chinese Academy of Sciences ; Fundamental Research & Applied Fundamental Research Major Project of Guangdong Province ; Guangdong International Talent Training Program-Postdoctoral Project ; Key Laboratory Fund of Gas Hydrate |
| WOS Subject | Chemistry, Multidisciplinary |
| WOS ID | WOS:000757448400030 |
| Publisher | AMER CHEMICAL SOC |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.giec.ac.cn/handle/344007/35858 |
| Collection | 中国科学院广州能源研究所 |
| Corresponding Author | Li, Xiao-Sen |
| Affiliation | 1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China 2.Chinese Acad Sci, Key Lab Gas Hydrate, Guangzhou 510640, Peoples R China 3.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R China 4.Tech Univ Denmark, Ctr Energy Resources Engn, Dept Chem & Biochem Engn, DK-2800 Lyngby, Denmark 5.Xian Shiyou Univ, Coll Petr Engn, Xian 710065, Peoples R China |
| First Author Affilication | GuangZhou Institute of Energy Conversion,Chinese Academy of Sciences |
| Recommended Citation GB/T 7714 | Cai, Jing,Lv, Tao,Li, Xiao-Sen,et al. Microscopic Insights into the Effect of the Initial Gas-Liquid Interface on Hydrate Formation by In-Situ Raman in the System of Coalbed Methane and Tetrahydrofuran[J]. ACS OMEGA,2021,6(51):35467-35475. |
| APA | Cai, Jing,Lv, Tao,Li, Xiao-Sen,Xu, Chun-Gang,von Solms, Nicolas,&Liang, Xiaodong.(2021).Microscopic Insights into the Effect of the Initial Gas-Liquid Interface on Hydrate Formation by In-Situ Raman in the System of Coalbed Methane and Tetrahydrofuran.ACS OMEGA,6(51),35467-35475. |
| MLA | Cai, Jing,et al."Microscopic Insights into the Effect of the Initial Gas-Liquid Interface on Hydrate Formation by In-Situ Raman in the System of Coalbed Methane and Tetrahydrofuran".ACS OMEGA 6.51(2021):35467-35475. |
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