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- Language
- English
- Conflict of Interest
- In relation to this article, we declare that there is no conflict of interest.
- Publication history
-
Received December 9, 2022
Revised April 6, 2023
Accepted April 10, 2023
- Acknowledgements
- The authors gratefully acknowledge the financial support from Shanghai Pujiang Program (20PJ1404800). We thank the all reviewers and editors for reviewing the manuscript and providing valuable comments.
- This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Catalytic hydrogenation of ethyl levulinate into -valerolactone over commercial Raney Cu catalyst
Abstract
An eco-friendly green reaction process was developed to achieve efficient hydrogenation of ethyl levulinate
(EL) to -valerolactone (GVL) over commercial-available Raney Cu catalyst with H2 as the hydrogen source. Raney Cu
presented higher catalytic activity among a series of Cu based and Raney type catalysts. The maximum yield of GVL
was 98.3% at 160 o
C for 3 h. It was found that Raney Cu had great reusability and could be used at least three times
without loss of activity. Moreover, the results of XRD, XPS and ICP confirmed the high stability of the catalyst. A possible reaction pathway was also proposed. Ethanol was the main byproduct in this reaction; this study therefore provides
a green and efficient method for the conversion of EL to GVL
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