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Tuning the catalytic CO hydrogenation to straight- and long-chain aldehydes/alcohols and olefins/paraffins
Open accessAbstract
The catalytic CO hydrogenation is one of the most versatile large-scale chemical syntheses leading to variable chemical feedstock. While traditionally mainly methanol and long-chain hydrocarbons are produced by CO hydrogenation, here we show that the same reaction can be tuned to produce long-chain n-aldehydes, 1-alcohols and olefins, as well as n-paraffins over potassium-promoted CoMn catalysts. The sum selectivity of aldehydes and alcohols is usually >50 wt% whereof up to ∼97% can be n-aldehydes. While the product slate contains ∼60% n-aldehydes at "Equation missing"/pCO=0.5, a 65/35% slate of paraffins/alcohols is obtained at a ratio of 9. A linear Anderson–Schulz–Flory behaviour, independent of the "Equation missing"/pCO ratio, is found for the sum of C 4+ products. We advocate a synergistic interaction between a Mn 5 O 8 oxide and a bulk Co 2 C phase, promoted by the presence of potassium, to be responsible for the unique product spectra in our studies.
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Cited by
Direct conversion of CO2 into liquid fuels with high selectivity over a bifunctional catalyst
Gao, P., Li, S., Bu, X., Dang, S., Liu, Z., Wang, H., Zhong, L., Qiu, M., Yang, C., Cai, J., et al. (2017) · Nature Chemistry · doi:10.1038/nchem.2794 · Cited by 1,122
Significant Advances in C1 Catalysis: Highly Efficient Catalysts and Catalytic Reactions
Bao, J., Yang, G., Yoneyama, Y., & Tsubaki, N. (2019) · ACS Catalysis · doi:10.1021/acscatal.8b03924 · Cited by 367
Li, S., Feng, L., Wang, H., Lin, Y., Sun, Z., Xu, L., Xu, Y., Liu, X., Li, W.-X., Wei, S., et al. (2025) · Nature Nanotechnology · doi:10.1038/s41565-024-01824-w · Cited by 50
Metadata
- Authors
- Xiang, Y., & Kruse, N.
- Venue
- Nature Communications
- Published
- 2016-10-06
- Volume
- 7
- Issue
- 1
- Pages
- 13058-13058
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2527978589
- Cited by
- 175
- References
- 0
- FWCI
- 6.47
- Type
- journal article
- Language
- en
- Open access
- gold
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- Xiang, Y., & Kruse, N. (2016). Tuning the catalytic CO hydrogenation to straight- and long-chain aldehydes/alcohols and olefins/paraffins. Nature Communications. https://doi.org/10.1038/ncomms13058
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