Journal
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume 50, Issue 19, Pages 11067-11072Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ie2014907
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Funding
- National Science Foundation of China [21076018, 21176025]
- National Basic Research Program of China [2011CB200905, 2011CB201306]
- Program for New Century Excellent Talents in University
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This work demonstrates a new approach to preparing Cu-Co-based catalysts for higher alcohols synthesis from syngas. Oxidized multiwalled carbon nanotubes (MWNTs) were adsorbed onto silica gels, and MWNT-silica gels were used as the support of a Cu-Co-based catalyst. Pyrogallol was used in preparing the catalyst. It has been found that the carbon nanotubes in the support favor the distribution and interaction of Cu and Co species; using pyrogallol in preparing the catalyst improves the distribution of Cu and Co species and promotes the interaction between the species. As a result, the catalyst can decrease the methanol selectivity from 43.0% to 26.8% and increase the ethanol selectivity from 33.1% to 43.5%, in comparison to the catalyst, with silica gels as the support.
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