Methanol adsorption and dehydration on alkali metal exchanged NaY zeolites

被引：14
|
作者：
Ziolek, M [1 ]
Czyzniewska, J [1 ]
Lamotte, J [1 ]
Lavalley, JC [1 ]
机构：
[1] UNIV CAEN,ISMRA,URA CNRS 414,CATALYSE & SPECTROCHIM LAB,F-14050 CAEN,FRANCE
来源：
CATALYSIS LETTERS | 1996年 / 37卷 / 3-4期
关键词：
M(I)NaY zeolites; methanol adsorption and dehydration; FT-IR spectroscopy;
D O I：
10.1007/BF00807758
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：
FT-IR spectroscopy has been applied in a study of methanol adsorption on M(I)NaY zeolites (M = Li, K, Rb, Cs). Coordinatively and/or hydrogen bonded methanol was registered in the temperature range 300-473 K. Dehydration of methanol to dimethyl ether occurred at 573 and 623 K. It was found that the activity of the catalyst for methanol dehydration strongly depends on the kind of alkali metal cation, and well correlates the IR data relative to methanol adsorption.
引用
收藏
页码：223 / 227
页数：5
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