STUDY OF INTRACRYSTALLINE DIFFUSION IN ZEOLITES .7. NUMERICAL MODELING OF NONISOTHERMAL DIFFUSION IN CRYSTALS

被引：0

作者：

GORLOV, VA

MOSKOVSKAYA, TA

VOLOSHCHUK, AM

机构：

[1] Institute of Physical Chemistry, Academy of Sciences of the USSR, Moscow

来源：

BULLETIN OF THE ACADEMY OF SCIENCES OF THE USSR DIVISION OF CHEMICAL SCIENCE | 1990年 / 39卷 / 06期

关键词：

D O I：

10.1007/BF00962363

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The kinetics of nonisothermal adsorption from a limited volume with consideration of the dependence of the differential heat of adsorption and the intracrystalline diffusion coefficient on the degree of filling were mathematically modeled. A model of the adsorption kinetics which explains the appearance of extremes on the experimental kinetic adsorption curves in adsorption of water by CaA zeolite was proposed. It was shown that a decrease in the differential heat of adsorption with an increase in the degree of filling is a necessary condition for the appearance of extremes on the kinetic adsorption curves.

引用

页码：1101 / 1105

页数：5

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