Opportunities for energy and chemical engineering through clathrate hydrates

被引:0
|
作者
Lang X. [1 ,2 ]
Fan S. [1 ,2 ]
Wang Y. [1 ,2 ]
Li G. [1 ,2 ]
Yu C. [1 ,2 ]
Wang S. [1 ,2 ]
机构
[1] School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou
[2] Key Laboratory of Fuel Cell Technology of Guangdong Province, Guangzhou
关键词
Carbon dioxide (CO[!sub]2[!/sub]) capture; Clathrate hydrate; Energy and chemical engineering; Flow safety; Green energy; Multiscale; Natural gas;
D O I
10.16085/j.issn.1000-6613.2021-0426
中图分类号
学科分类号
摘要
Clathrate hydrate is the use of the cage structure constructed by water molecules through hydrogen bonding to store and extract methane and other energy gases. Therefore, nature gas storage via clathrate hydrates is the best option for a large-scale storage system because of its non-explosive nature, mild storage conditions, high volumetric capacity and being an environmentally benign process. Natural gas hydrate is a bridge fuel between traditional energy and green energy, which has become a hot spot of research and development by scientists all over the world for research and development. In this paper, it is discussed that as an important research direction of energy and chemical industry, the research of clathrate hydrate mainly focuses on energy and environment, flow safety and engineering application, etc. In all aspects, it covers the fields of energy conversion and energy storage, such as solidified natural gas (SNG), CO2 capture and gas separation, refrigeration and cold storage, seawater desalination, automobile fuel, hydrogen production and hydrogen storage. Vigorously develop clathrate hydrate derivation technology to achieve the extraction of methane while capturing carbon dioxide, which will help achieve the goal of carbon neutrality. The formation of clathrate hydrate depends on its own thermodynamic phase equilibrium conditions, the dynamic properties of the reaction process and the transfer process. The process from formation to decomposition mainly includes a series of steps, such as dissolution, nucleation, growth, crystal cracking and desorption. The micro mechanism of the process is complex. The use of multi-scale methods to study the microstructure, interface phenomena, macro-applications and mechanism of hydrate formation will help expand the principles and knowledge of chemical engineering. It will also benefit the development of new materials and new processes in the energy and chemical engineering, and promote the development of energy and chemical engineering. © 2021, Chemical Industry Press Co., Ltd. All right reserved.
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页码:4703 / 4710
页数:7
相关论文
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