Investigation of the formation behaviors of CO2 hydrate in porous media below the freezing point

doi:10.1002/ep.13953

	Investigation of the formation behaviors of CO2 hydrate in porous media below the freezing point
	Zhang, Xuemin 1,2,3; Yang, Huijie 2,3; Li, Jinping 2,3; Zhang, Mengjun 2,3; Wang, Yingmei 2,3,4; Yao, Ze 2,3
刊名	ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY
	2022-07-01
关键词	carbon dioxide storage CO2 hydrate formation behavior freezing point porous media
ISSN号	1944-7442
DOI	10.1002/ep.13953
英文摘要	The formation process of gas hydrate is a stochastic phenomenon considered to be significant for its application in the areas such as hydrate-based technology and natural gas hydrate exploitation. The formation behaviors of CO2 hydrate were studied in porous media below the freezing point. In addition, the formation experiments were conducted in the high-pressure vessel under different temperature and pressure conditions. The formation process of CO2 hydrate showed different formation behaviors in the porous media under different experimental conditions. The results showed that the formation rate was higher in earlier stage and the largest formation rate attained 7.18 x 10(-4) mol h(-1). The influence of initial pressure on the formation rate was indistinctive in porous media below the freezing point. Particle size of the porous media played an important role in affecting the formation characteristic of CO2 hydrate below the freezing point. The results indicated that, the smaller the particle size of porous media was, the larger the formation rate and the conversion rate of CO2 hydrate. The maximum conversion rate was attained 90.61%. The results also indicated that CO2 hydrate had a good gas storage capacity in porous media below the freezing point. The gas storage capacity was close to 160 L/L in frozen quartz sand with the particle size of 250 mu m in the experiments. The relative results will provide some insight for sequestration and storage process of CO2 gas in the form of hydrates into sediments.
WOS研究方向	Science & Technology - Other Topics ; Engineering ; Environmental Sciences & Ecology
语种	英语
出版者	WILEY
WOS记录号	WOS:000832619700001
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/159466]
专题	能源与动力工程学院
作者单位	1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou, Guangdong, Peoples R China; 2.Key Lab Complementary Energy Syst Biomass & Solar, Lanzhou, Gansu, Peoples R China; 3.Lanzhou Univ Technol, Western China Res Ctr Energy & Environm, Lanzhou 730050, Peoples R China; 4.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Xuemin,Yang, Huijie,Li, Jinping,et al. Investigation of the formation behaviors of CO2 hydrate in porous media below the freezing point[J]. ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY,2022.
APA	Zhang, Xuemin,Yang, Huijie,Li, Jinping,Zhang, Mengjun,Wang, Yingmei,&Yao, Ze.(2022).Investigation of the formation behaviors of CO2 hydrate in porous media below the freezing point.ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY.
MLA	Zhang, Xuemin,et al."Investigation of the formation behaviors of CO2 hydrate in porous media below the freezing point".ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY (2022).