DIFFUSION OF SORBATES IN ZEOLITES BY THE FREQUENCY-RESPONSE METHOD - PARTICLE-SHAPE AND ANISOTROPIC EFFECTS

被引：8

作者：

OPRESCU, D ^{[1
]}

REES, LVC ^{[1
]}

SHEN, DM ^{[1
]}

机构：

[1] UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,PHYS CHEM LABS,LONDON SW7 2AY,ENGLAND

来源：

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1992年 / 88卷 / 19期

关键词：

D O I：

10.1039/ft9928802955

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The solutions of Fick's second diffusion law for a sinusoidal variation in the concentration of sorbate at the ingoing surface of spherical and infinite planar crystals have been used to obtain diffusion coefficients. In this paper the solution of the diffusion equation is extended to parallelepiped crystals and anisotropic diffusion is also considered. The results obtained are compared with those obtained assuming infinite plates and spherical crystals to ascertain the magnitude of the errors that could be introduced when an incorrect geometry is used.

引用

页码：2955 / 2958

页数：4

共 9 条

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