ANALYSIS OF ION-TRANSPORT WITH FIXED SITE CARRIER MEMBRANES

被引：25
|
作者：
NOBLE, RD
机构：
[1] University of Colorado, Department of Chemical Engineering, Boulder
来源：
JOURNAL OF MEMBRANE SCIENCE | 1991年 / 56卷 / 02期
关键词：
FIXED-SITE CARRIER MEMBRANES; (COUPLED) FACILITATED TRANSPORT; DIFFUSION; THEORY; ION TRANSPORT; NERNST-PLANCK EQUATION; PERCOLATION THRESHOLD;
D O I：
10.1016/S0376-7388(00)80811-X
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A morphology-dependent mobility is derived for ion transport across fixed site carrier membranes. This mobility term is used in the Nernst-Planck equations along with a previously derived morphology-dependent diffusion coefficient. The rearrangement of the Nernst-Planck equations gives rise to an overall "effective" diffusion coefficient for ion transport. Setting this term equal to zero then provides a criterion for the existence of a percolation threshold in these systems.
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页码：229 / 234
页数：6
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