A method for estimation of transport properties of ZSM-5 zeolite

被引：1
|
作者：
Trejbal, Jiri [1 ]
Zapletal, Martin [1 ]
机构：
[1] Univ Chem & Technol, Dept Organ Technol, Tech 5, Prague 16628 6, Czech Republic
来源：
CHEMICAL PAPERS | 2017年 / 71卷 / 04期
关键词：
Zeolite; ZSM-5; Diffusion; Cycloalkanes; EFFECTIVE DIFFUSIVITY; CHEMICAL-VAPOR; DEPOSITION; PERMEATION; SIZE;
D O I：
10.1007/s11696-016-0083-6
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A method for a quick testing of transport properties of samples of a zeolite catalyst has been developed. The method is based on the application of gas-phase chromatography, where the tested sample is used as the stationary phase. Cyclopentene, cyclohexane, and 1,3,5-trimethylcyclohexane were used as the testing molecules. A retention indexes for samples comparison were introduced. The method is sensitive even to small changes in the zeolite structures caused by binding agents and/or alkali metals.
引用
收藏
页码：795 / 801
页数：7
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