NDLI: The synthesis of higher alcohols from CO2 hydrogenation over Mn-Cu-K modified Fe5C2 and CuZnAlZr tandem catalysts

Content Provider	frontiers
Author	Huang, Jiamin Zhang, Guanghui Wang, Mingrui Zhu, Jie Ding, Fanshu Song, Chunshan Guo, Xinwen
Abstract	The catalytic production of higher alcohols (HAs) is a promising path for converting CO2 into value-added chemical products. The application is still limited by the low selectivity of HAs (less than 10%) on most catalysts. Here, we report a tandem catalyst consisting of Mn-Cu-K modified iron carbide and CuZnAlZr catalyst. The modification of iron carbide with Mn, Cu and K promoters improves the formation of HAs (13.5% Sel.), and the construction of tandem catalysts with CuZnAlZr can further enhance the catalytic performance. By examining different catalyst filling methods and the filling ratio of the tandem catalyst, it was found that the powder mixing resulted in a higher selectivity of HAs with a mass ratio of the two components of 1:1, and a synergistic effect leads to a higher selectivity of HAs (15.5%) with about 40% of propanol and butanol among HAs.
ISSN	2296598X
DOI	10.3389/fenrg.2022.995800
Volume Number	10
Journal	Frontiers in Energy Research
Language	English
Publisher Date	2023-01-17
Access Restriction	Open
Subject Keyword	CuZnAlZr catalyst CO 2 hydrogenation Tandem catalyst Higher alcohols Modified iron carbide
Content Type	Text
Resource Type	Article
Subject	Economics and Econometrics Renewable Energy, Sustainability and the Environment Fuel Technology Energy Engineering and Power Technology

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The synthesis of higher alcohols from CO2 hydrogenation over Mn-Cu-K modified Fe5C2 and CuZnAlZr tandem catalysts