OXIDATIVE DEHYDROGENATION OF ETHANE OVER LITHIUM BISMUTH CALCIUM-OXIDE CATALYSTS

被引：16

作者：

JI, L

LIU, JS

LIU, CY

CHEN, XC

机构：

[1] Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou

来源：

APPLIED CATALYSIS A-GENERAL | 1994年 / 114卷 / 02期

关键词：

BISMUTH; CALCIUM OXIDE; ETHANE; ETHYLENE LITHIUM; OXIDATIVE DEHYDROGENATION;

D O I：

10.1016/0926-860X(94)80174-6

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The oxidative dehydrogenation of ethane to ethylene has been investigated in the 550-650-degrees-C temperature range over Li/Bi/CaO catalysts. This class of catalysts are very selective to ethylene. The Li/Bi/CaO catalyst gives a rather high activity and excellent selectivity to ethylene. Experiments indicate that the existence of bismuth and the coordinative action of lithium and bismuth in Li/Bi/CaO catalyst are probably the causes of the increased activity and selectivity, respectively. The characteristics of the catalysts was studied by X-ray diffraction, X-ray photoelectron spectroscopy and thermal analyses. The differences in catalytic activities observed between Li/Bi/CaO and several other CaO based oxide catalysts can be explained by the results of these characterization studies.

引用

页码：207 / 214

页数：8

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