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Study of Cu-Fe-Co-M/SiO2 (M = Unpromoted, Li, Na, K and Cs) Catalysts for Mixed Alcohols Synthesis from CO Hydrogenation
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Study of Cu-Fe-Co-M/SiO2 (M = Unpromoted, Li, Na, K and Cs) Catalysts for Mixed Alcohols Synthesis from CO Hydrogenation

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Abstract:

A series of Cu-Fe-Co based catalysts prepared by co-impregnation method using different alkali additives was characterized by BET, XRD and FESEM-EDX and investigated under MAS from CO hydrogenation. The results showed that the catalyst Cu25Fe22Co3-Na3/SiO2 has the highest catalytic activity and selectivity of total alcohol and C5+OH. XRD and FESEM-EDX demonstrated the Na3 catalyst exhibited homogeneous distribution of elements and effective synergy effect between Cu and Fe components, thereby performed good catalytic performances for MAS from CO hydrogenation. The presence of a suitable content of alkali promoter was necessary for mixed alcohols synthesis from syngas.

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Periodical:

Advanced Materials Research (Volumes 347-353)

Pages:

3691-3694

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.347-353.3691

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Online since:

October 2011

Authors:

Hai Jun Guo, Lian Xiong, Cai Rong Luo, Jie Li, Fei Ding, Xin De Chen, Yong Chen

Keywords:

Alkali Additives, CO Hydrogenation, Cu-Fe-Co Based Catalysts, Mixed Alcohols Synthesis, Synergy Effect

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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