Deactivation of ion-exchange resin catalysts .2. Simulation by network models

被引:19
作者
Dixit, AB [1 ]
Yadav, GD [1 ]
机构
[1] UNIV BOMBAY,DEPT CHEM TECHNOL,DIV CHEM ENGN,BOMBAY 400019,MAHARASHTRA,INDIA
关键词
deactivation; ion-exchange resin; simulation; network models; alkylation of o-xylene;
D O I
10.1016/1381-5148(96)00063-6
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The deactivation of ion-exchange resin catalysts in the alkylation of o-xylene with styrene is a result of deposition of styrene oligomers within the pores (Part I). The pore space of the virgin catalyst is first represented in the form of an interconnected capillary bulge-throat network by using mercury porosimetry data. The effect of various topological parameters of the catalyst on the performance of the catalyst is studied. The process of deposition of the byproduct is simulated by analysing the deposition profiles in the computer-generated 3D network. The experimental and simulated results are compared for different ion-exchange resin catalysts. A close agreement between the simulated and experimental results is observed.
引用
收藏
页码:251 / 263
页数:13
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