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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
发表期刊CHEMICAL ENGINEERING SCIENCE
卷号105页码:220-230
摘要A 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
文章类型Article
关键词Gas Hydrate Kinetics Porous Media Simulation Intrinsic Rate
WOS标题词Science & Technology ; Technology
DOI10.1016/j.ces.2013.11.016
研究领域[WOS]Engineering
关键词[WOS]GAS-PRODUCTION ; PUFF METHOD ; ETHANE ; HUFF ; MIXTURES ; GROWTH ; WELL
收录类别SCI
语种英语
WOS类目Engineering, Chemical
WOS记录号WOS:000328580200021
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10737
专题中国科学院广州能源研究所
作者单位1.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
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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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