Cyclohexanol dehydrogenation over Co/carbon nanotube catalysts and the effect of promoter K on performance

Carbon nanotubes (CNT) were used as support medium to prepare Co catalysts for the selective dehydrogenation of cyclohexanol. Due to the unique structure and electronic property of CNT, Co/CNT possessed less acid sites than Co/activated carbon (AC). It seems to be easier to form multi-point complexe...

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Bibliographic Details
Published in:Catalysis letters 2001-04, Vol.72 (3-4), p.203-206
Main Authors: Zong-Jian Liu, Xu, Zhude, Zhong-Yong, Yuan, Lu, Deyi, Chen, Weixiang, Zhou, Wuzong
Format: Article
Language:English
Subjects:
Activated carbon
Carbon
Carbon nanotubes
Catalysis
Catalysts
Cyclohexanone
Dehydrogenation
Selectivity
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Summary:Carbon nanotubes (CNT) were used as support medium to prepare Co catalysts for the selective dehydrogenation of cyclohexanol. Due to the unique structure and electronic property of CNT, Co/CNT possessed less acid sites than Co/activated carbon (AC). It seems to be easier to form multi-point complexes on Co/CNT than on Co/AC, resulting in a little higher selectivity to cyclohexanone and different distribution of by-products. The effect of K addition, attributed to electronic promotion, was also stronger on Co–K/CNT than on Co–K/AC.
ISSN:1011-372X
1572-879X
DOI:10.1023/A:1009040210044