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.
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页码：1101 / 1105
页数：5
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