Deactivation of copper-based catalysts in alcohol dehydrogenation

Yau Jen Tu, Yu Wen Chen, Chiuping Li

研究成果: 雜誌貢獻期刊論文同行評審

3 引文 斯高帕斯(Scopus)

摘要

The dehydrogenation of ethanol has been studied over a series of promoted copper catalysts (CuMOX/SiO2, M=Cr, Mg, Ca, Sr, and Ba). The results indicate that the activity and stability of Crpromoted catalyst improved only in the case of copper promotion by minor amounts of Cr (Cr/Cu=1/40 molar ratio). The activity and stability of Cr-promoted catalysts decreased when the Cr/Cu molar ratio greater than 1/40. The Mg-promoted catalyst has a higher activity and stability than the unpromoted one; however, the Ca-, Sr-, and Ba-promoted catalysts are poor in stabilities than the unpromoted catalyst.

原文???core.languages.en_GB???
頁(從 - 到)657-662
頁數6
期刊Studies in Surface Science and Catalysis
88
發行號C
DOIs
出版狀態已出版 - 1 1月 1994

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