Effect of the coordination number of the pore-network on the transport and deposition of particles in porous media

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题名:	Effect of the coordination number of the pore-network on the transport and deposition of particles in porous media
作者:	Chen, S.-C., Lee, E.K.C., Chang, Y.-I.
贡献者:	Dept. of Chemical Engineering, Tunghai University
关键词:	Filtration;Network;Particle deposition;Plugging;Porous media
日期:	2003
上传时间:	2013-04-24T07:13:53Z (UTC)
摘要:	Effect of the coordination number of the pore-network structure on the transport and deposition of colloidal particles in porous media was investigated. Applying with the orthogonal collocation principle and the pseudo-spectral method based on the Chebyshev polynomial, the complete solutions of the population balance equations describing the deposited particles, the suspended particles and the unblocked pore throats of porous media were obtained for the simple square network and the capillary tube network. It is shown that the network structure of porous media may significantly affect filtration rate, and therefore the effluent concentration and pressure drop. The filter with a capillary tube network structure owns higher filter coefficient than that of the filter with a simple square network structure. Theoretical predictions for different influent concentrations of particles, different flow rates and the case of blocking occurred in the filter bed are in agreement with the available experimental data. ? 2002 Elsevier Science B.V. All rights reserved.
關聯:	Separation and Purification Technology 30 (1) , pp. 11-26
显示于类别:	[化學工程與材料工程學系所] 期刊論文

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