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Catalytic transfer hydrogenation of oleic acid into octadecanol over magnetic recoverable cobalt catalysts

Abstract

Efficient transformation of biomass into fuel and chemicals under mild conditions with cost-effective and environmental-friendly characters is highly desirable but still challenging. Herein, a scalable and earth-abundant cobalt catalyst was used for selective catalytic transfer hydrogenation (CTH) of unsaturated fatty acids to fatty alcohols with sustainable isopropanol as hydrogen donor. By tuning the surface Co composition by varying the reduction temperature, the catalytic performance could be easily boosted. Under 200 oC in 4 h, the optimal catalyst Co-350 (reduced at 350 oC) gives 100% oleic acid conversion with 91.9% octadecanol selectivity. Various characterizations reveal that the co-existence of Coδ+ and Co0 over cobalt core might be responsible for its high performance for CTH of oleic acid. This catalyst could be magnetically separated and is highly stable for ten times reuse. Moreover, this cobalt catalyst is relatively cheap and easy to scale-up, thus achieving a low-cost transformation of biomass into high-valued chemicals.

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Publication details

The article was received on 01 Oct 2018, accepted on 03 Dec 2018 and first published on 03 Dec 2018


Article type: Paper
DOI: 10.1039/C8GC03075H
Citation: Green Chem., 2018, Accepted Manuscript
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    Catalytic transfer hydrogenation of oleic acid into octadecanol over magnetic recoverable cobalt catalysts

    J. Wang, R. Nie, L. Xu, X. Lyu and X. Lu, Green Chem., 2018, Accepted Manuscript , DOI: 10.1039/C8GC03075H

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