CO2 hydrate properties and applications: A state of the art

IF 32 1区 工程技术 Q1 ENERGY & FUELS Progress in Energy and Combustion Science Pub Date : 2022-11-01 DOI:10.1016/j.pecs.2022.101026
Saeid Sinehbaghizadeh , Agus Saptoro , Amir H. Mohammadi
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引用次数: 21

Abstract

Global warming is one of the most pressing environmental concerns which correlates strongly with anthropogenic CO2 emissions so that the CO2 decreasing strategies have been meaningful worldwide attention. As an option, natural gas hydrate reservoirs have steadily emerged as a potent source of energy which would simultaneously be the proper places for CO2 sequestration if the method of CO2/CH4 replacement could be developed. On the flip side, CO2 hydrates as safe and non-flammable solid compounds without an irreversible chemical reaction would contribute to different industrial processes if their approaches could be improved. Toward developing substantial applications of CO2 hydrates, laboratory experiments, process modelling, and molecular dynamics (MD) simulations can aid to understand their characteristics and mechanisms involved. Therefore, the current review has been organized in form of four distinct sections. The first part reviews the studies on sequestering CO2 into the natural gas hydrate reservoirs. The next section gives an overview of process flow diagrams of CO2 hydrate-based techniques in favour of CO2 Capture and Sequestration & Utilization (CCS&U). The third section summarizes the merits, flaws, and different effects of hydrate promoters as well as porous media on CO2 hydrate systems at macroscopic and mesoscopic levels, and also how these components can improve CO2 hydrate properties, progressing toward the more feasibility of CO2 hydrate industrial applications. The final sector recapitulates the MD frameworks of CO2 clathrate and semiclathrate hydrates in terms of new insights and research findings to elucidate the fundamental properties of CO2 hydrates at the molecular level.

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二氧化碳水合物的性质和应用:最新的研究进展
全球变暖是与人为二氧化碳排放密切相关的最紧迫的环境问题之一,因此减少二氧化碳排放的策略一直受到世界各国的关注。作为一种选择,天然气水合物储层已逐渐成为一种强有力的能源,如果能够开发出CO2/CH4替代方法,它将同时成为CO2固存的适当场所。另一方面,二氧化碳水合物作为一种安全且不易燃的固体化合物,没有不可逆的化学反应,如果它们的方法得到改进,将有助于不同的工业过程。为了开发二氧化碳水合物的实际应用,实验室实验、过程建模和分子动力学(MD)模拟可以帮助理解它们的特性和机制。因此,目前的审查以四个不同部分的形式组织。第一部分综述了天然气水合物储层中CO2封存的研究进展。下一节概述了有利于二氧化碳捕获和封存的以二氧化碳水合物为基础的技术的工艺流程图。利用率(CCS& U)。第三部分总结了水合物促进剂和多孔介质在宏观和介观水平上对CO2水合物体系的优点、缺陷和不同影响,以及这些组分如何改善CO2水合物性能,朝着CO2水合物工业应用的可行性迈进。最后部分概述了CO2包合物和半包合物水合物的MD框架,从新的见解和研究成果方面阐明了CO2水合物在分子水平上的基本性质。
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来源期刊
Progress in Energy and Combustion Science
Progress in Energy and Combustion Science 工程技术-工程:化工
CiteScore
59.30
自引率
0.70%
发文量
44
审稿时长
3 months
期刊介绍: Progress in Energy and Combustion Science (PECS) publishes review articles covering all aspects of energy and combustion science. These articles offer a comprehensive, in-depth overview, evaluation, and discussion of specific topics. Given the importance of climate change and energy conservation, efficient combustion of fossil fuels and the development of sustainable energy systems are emphasized. Environmental protection requires limiting pollutants, including greenhouse gases, emitted from combustion and other energy-intensive systems. Additionally, combustion plays a vital role in process technology and materials science. PECS features articles authored by internationally recognized experts in combustion, flames, fuel science and technology, and sustainable energy solutions. Each volume includes specially commissioned review articles providing orderly and concise surveys and scientific discussions on various aspects of combustion and energy. While not overly lengthy, these articles allow authors to thoroughly and comprehensively explore their subjects. They serve as valuable resources for researchers seeking knowledge beyond their own fields and for students and engineers in government and industrial research seeking comprehensive reviews and practical solutions.
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