中文版 | English
Title

Formation of the structure-II gas hydrate from low-concentration propane mixed with methane

Author
Corresponding AuthorHui,Li; Hailong,Lu; Xiaohui,Yu
Joint first authorSanya,Du; Xiaomin,Han; Wenjiu,Cai
Publication Years
2023-06-01
DOI
Source Title
ISSN
1004-9541
EISSN
2210-321X
Volume58
Abstract
It has been recognized that a small amount of propane mixed with methane can change greatly in not only the thermodynamics but also the structural properties of gas hydrate. However, its mechanism is still not well understood yet. In this research, structure-II (sII) hydrate is synthesized using a methane -propane gas mixture with an initial mole ratio of 99:1, and it is found that large (51264) cages are co -occupied by multiple gases based on the rigid structure analysis of neutron diffraction data. The first prin-ciples calculation and molecular dynamics simulation are conducted to uncover the molecular mecha-nism for sII methane-propane hydrate formation, revealing that the presence of propane inhibits the formation of structure-I (sI) hydrate but promotes sII hydrate formation. The results help to understand the accumulation mechanism of natural gas hydrate and benefit to optimize the condition for gas storage and transportation in hydrate form.& COPY; 2022 The Chemical Industry and Engineering Society of China, and Chemical Industry Press Co., Ltd. All rights reserved.
Keywords
URL[Source Record]
Indexed By
Language
English
SUSTech Authorship
Others
Funding Project
National Key Research and Development Program of China["2016YFA0401503","2018YFA0305700"] ; National Natural Science Foundation of China["11575288","91934303","21935001","11775011"] ; Strategic Priority Research Program of the Chinese Academy of Sciences["XDB33000000","XDB25000000","QYZDBSSW-SLH013"] ; Key Research Program of Frontier Sciences of the Chinese Academy of Sciences["XDB33000000","XDB25000000","QYZDBSSW-SLH013"] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[Y202003] ; China Geological Survey[DD20190234] ; Scientific Instrument Developing Project of the Chinese Academy of Sciences[ZDKYYQ20170001]
WOS Research Area
Engineering
WOS Subject
Engineering, Chemical
WOS Accession No
WOS:001013431100001
Publisher
ESI Research Field
CHEMISTRY
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:2
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/415487
DepartmentDepartment of Physics
前沿与交叉科学研究院
Affiliation
1.Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
2.National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
3.College of Engineering, Peking University, Beijing 100871, China
4.Beijing International Center for Gas Hydrate, School of Earth and Space Sciences, Peking University, Beijing 100871, China
5.Department of Physics, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
6.Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
7.Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
8.Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
Recommended Citation
GB/T 7714
Sanya,Du,Xiaomin,Han,Wenjiu,Cai,et al. Formation of the structure-II gas hydrate from low-concentration propane mixed with methane[J]. CHINESE JOURNAL OF CHEMICAL ENGINEERING,2023,58.
APA
Sanya,Du.,Xiaomin,Han.,Wenjiu,Cai.,Jinlong,Zhu.,Xiaobai,Ma.,...&Xiaohui,Yu.(2023).Formation of the structure-II gas hydrate from low-concentration propane mixed with methane.CHINESE JOURNAL OF CHEMICAL ENGINEERING,58.
MLA
Sanya,Du,et al."Formation of the structure-II gas hydrate from low-concentration propane mixed with methane".CHINESE JOURNAL OF CHEMICAL ENGINEERING 58(2023).
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