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Effect of graphite nanoparticles on CO2 hydrate phase equilibrium
Yu, Yi-song1,2,3,4,5; Zhou, Shi-dong2; Li, Xiao-sen1,3,4,5; Wang, Shu-li2
2016-04-25
Source PublicationFLUID PHASE EQUILIBRIA
Volume414Pages:23-28
AbstractStepwise heating method was used to determine the hydrate phase equilibrium in the water containing graphite nanoparticles. The results show that, compared with deionized water at a given temperature, a significant upward shift of the formation pressure of the CO2 hydrate formed in graphite nanoparticles suspensions was observed, but the phase equilibrium curves of CO2 hydrate formation in the different graphite nanoparticles concentrations were basically consistent. In this regard, graphite nanoparticles have a negative effect on the gas hydrate formation. In addition, an improved hydrate thermodynamic model was proposed to predict the hydrate equilibrium conditions under the system of graphite nanoparticles suspensions. The results show that the maximum average deviation of pressure predicted by model is 339, but the minimum average deviation is 2.21. It indicates that the data of the model prediction was good agreements with the data obtained from experiments. (C) 2016 Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordPhase Equilibrium Graphite Nanoparticles Hydrate Formation Thermodynamic Model Average Deviation
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.fluid.2015.12.054
WOS Subject ExtendedThermodynamics ; Chemistry ; Engineering
WOS KeywordNATURAL-GAS HYDRATE ; POROUS-MEDIA ; SILVER NANOPARTICLES ; AQUEOUS-SOLUTIONS ; METHANE ; CARBON ; DISSOCIATION ; WATER ; PREDICTION ; KINETICS
Indexed BySCI
Language英语
WOS SubjectThermodynamics ; Chemistry, Physical ; Engineering, Chemical
WOS IDWOS:000372686200003
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/11207
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Changzhou Univ, Jiangsu Key Lab Oil & Gas Storage & Transportat T, Changzhou 213016, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Key Lab Gas Hydrate, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
5.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yu, Yi-song,Zhou, Shi-dong,Li, Xiao-sen,et al. Effect of graphite nanoparticles on CO2 hydrate phase equilibrium[J]. FLUID PHASE EQUILIBRIA,2016,414:23-28.
APA Yu, Yi-song,Zhou, Shi-dong,Li, Xiao-sen,&Wang, Shu-li.(2016).Effect of graphite nanoparticles on CO2 hydrate phase equilibrium.FLUID PHASE EQUILIBRIA,414,23-28.
MLA Yu, Yi-song,et al."Effect of graphite nanoparticles on CO2 hydrate phase equilibrium".FLUID PHASE EQUILIBRIA 414(2016):23-28.
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