TEMPERATURE SWITCHED IN-SITU H-1 AND C-13 MAS NMR-STUDIES OF THE CATALYTIC CONVERSION OF METHANOL ON ZEOLITE ZSM-5

被引：0
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作者：
ERNST, H
FREUDE, D
MILDNER, T
PFEIFER, H
机构：
来源：
ZEOLITES AND RELATED MICROPOROUS MATERIALS: STATE OF THE ART 1994 | 1994年 / 84卷
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O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We have observed the time dependence of the first steps of the methanol to hydrocarbons conversion (MTG process) in zeolite H-ZSM-5 at 230 degrees C using the MAS (magic-angle spinning) technique with a laser heating system. It was found that the concentration of protons in the species with stronger polarized O-H bonds increases during the reaction up to 60 % at equilibrium. Moreover, the appearance of carbon monoxide during the conversion of methanol to hydrocarbons were elucidated.
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页码：1717 / 1721
页数：5
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