Irreversible chemical potential and shear-induced diffusion in crossilow filtration

被引：10

作者：

Kim, Albert S. ^{[1
]}

Liu, Yuewei ^{[1
]}

机构：

[1] Univ Hawaii Manoa, Dept Civil & Environm Engn, Honolulu, HI 96822 USA

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2008年 / 47卷 / 15期

关键词：

D O I：

10.1021/ie0714403

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Nonequilibrium themodynamics is used in a novel way to fundamentally investigate colloidal back-diffusion during crossflow membrane filtration. A generalized chemical potential is assumed as a superposition of equilibrium and irreversible contributions, which are proven to originate from Brownian and shear-induced diffusion, respectively. As a result, an effective drag force is derived for a particle that is simultaneously undergoing both Brownian and shear-induced diffusion in a sheared concentrated suspension.

引用

页码：5611 / 5614

页数：4

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