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Kinetic studies of methane hydrate formation in porous media based on experiments in a pilot-scale hydrate simulator and a new model
Li, Bo1,2,3; Li, Xiao-Sen1,2; Li, Gang1,2
2014-02-24
Source PublicationCHEMICAL ENGINEERING SCIENCE
Volume105Pages:220-230
AbstractA new kinetic model is established to investigate into the characteristics of methane hydrate formation in the porous media. In this model, the hydrate formation is mainly controlled by the mass transfer at the gas water contact area, which is formed between the liquid and the "gas bubbles" in the pores. Six experimental formation runs are carried out in a three-dimensional pressure vessel, the Pilot Scale Hydrate Simulator (PHS). The experimental data for four of the six runs are correlated with the kinetic model, and the intrinsic reaction rate constant k(0) and the activation energy Delta E-a are determined to be approximately 8.06 kg/(m(2) Pa s) and 8.09 x 10(4) J/mol, respectively. The system pressures, the hydrate formation rates, and the amount of the remaining free methane gas at other conditions are predicted from the obtained k(0) and Delta E-a. Compared with the experimental data from other two runs, the predicted results are in good agreement, which verifies the reliability of the proposed kinetic model for the prediction of methane hydrate formation in porous media. Sensitivity analysis indicates that the hydrate formation is strongly dependent on the kinetic parameters of k(0) and the reduction exponent beta. (C) 2013 Elsevier Ltd. All rights reserved
SubtypeArticle
KeywordGas Hydrate Kinetics Porous Media Simulation Intrinsic Rate
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.ces.2013.11.016
WOS Subject ExtendedEngineering
WOS KeywordGAS-PRODUCTION ; PUFF METHOD ; ETHANE ; HUFF ; MIXTURES ; GROWTH ; WELL
Indexed BySCI
Language英语
WOS SubjectEngineering, Chemical
WOS IDWOS:000328580200021
Citation statistics
Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10737
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100083, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Li, Bo,Li, Xiao-Sen,Li, Gang. Kinetic studies of methane hydrate formation in porous media based on experiments in a pilot-scale hydrate simulator and a new model[J]. CHEMICAL ENGINEERING SCIENCE,2014,105:220-230.
APA Li, Bo,Li, Xiao-Sen,&Li, Gang.(2014).Kinetic studies of methane hydrate formation in porous media based on experiments in a pilot-scale hydrate simulator and a new model.CHEMICAL ENGINEERING SCIENCE,105,220-230.
MLA Li, Bo,et al."Kinetic studies of methane hydrate formation in porous media based on experiments in a pilot-scale hydrate simulator and a new model".CHEMICAL ENGINEERING SCIENCE 105(2014):220-230.
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