RESISTANCE AND MASS-TRANSFER CONTROL THROUGH PASSIVE POROUS FILMS .1. A TRANSPORT MODEL FOR DIFFUSIVE PERMEABILITY

被引：2

作者：

MARTINEZVILLA, F

ARRIBAS, JI

TEJERINA, F

机构：

[1] DEPARTAMENTO FISICA APUCADA II, FACULTAD DE CIENCIAS, UNIVERSIDAD DE VALLADOLID, 47005, VALLADOLID

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 1990年 / 25卷 / 1-2期

关键词：

D O I：

10.1080/01496399008050323

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The first part of this work describes a model for the passive transport of solutes through membrane systems formed by a low porosity film and the adjacent boundary layers. Model equations allow correlation of the overall phenomenological coefficient of diffusive resistance with the morphological and structural characteristics of the membrane system. Based on the general solution, the total resistance appears to be the result of three contributions related to the membrane itself, the associated boundary layers, and the pore end effects. Under specific conditions it is possible to obtain an explicit and simple functional dependence for each of these contributions as well as to express the solute concentrations in the membrane-boundary layer interfaces. © 1990, Taylor & Francis Group, LLC. All rights reserved.

引用

页码：109 / 119

页数：11

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