Aromatization of propane over Zn/HZSM-5 catalysts prepared by chemical vapor deposition

被引：20
|
作者：
Kwak, BS [1 ]
Sachtler, WMH [1 ]
机构：
[1] NORTHWESTERN UNIV,CTR CATALYSIS & SURFACE SCI,VN IPATIEFF LAB,EVANSTON,IL 60208
来源：
KOREAN JOURNAL OF CHEMICAL ENGINEERING | 1996年 / 13卷 / 04期
关键词：
aromatization; propane; Zn/HZSM-5; CVD;
D O I：
10.1007/BF02705962
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Zinc was introduced into HZSM-5 by chemical Vapor deposition (CVD) to investigate the catalytic properties of Zn/HZSM-5 for propane conversion. Irrespective of catalytic precursor or ion exchange method, protons were found to be replaced by Zn ions. However, Zn species in the zeolite were different depending on the precursors used. Although the addition of Zn decreased the intensity of the Bronsted acidity, it did not caused the apparent formation of Lewis acid sites unlike Ga/HZSM-5 catalysts. On Zn/HZSM-5, both Zn and protons intervene in propane activation step.
引用
收藏
页码：356 / 363
页数：8
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