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Solvent-mediated selectivity control of furfural hydrogenation over a N-doped carbon-nanotube-supported Co/CoOx catalyst

Authors
Ranaware, VirendraKurniawan, Rizky GilangVerma, DeepakKwak, Sang KyuRyu, Beom ChanKang, Jeong WonKim, Jaehoon
Issue Date
5-12월-2022
Publisher
ELSEVIER
Keywords
Furfural; Cyclopentanone; Tetrahydrofurfuryl alcohol; Solvent participation; Cobalt; Hydrogen shuttling
Citation
APPLIED CATALYSIS B-ENVIRONMENTAL, v.318
Indexed
SCIE
SCOPUS
Journal Title
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume
318
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/146474
DOI
10.1016/j.apcatb.2022.121838
ISSN
0926-3373
Abstract
During biomass constituent conversion, solvent choice often plays a critical role in determining product selec-tivity and reaction pathways. However, the role of the solvent remains poorly understood. In this study, the role of the solvent in furfural (FFA) conversion over a Co/CoOx catalyst supported on N-doped carbon nanotubes (Co/ CoOx @N-CNTs) was investigated. In water, cyclopentanone (CPO)/cyclopentanol was produced with high selectivity via Piancatelli rearrangement. In ethanol, tetrahydrofurfuryl alcohol (THFOL) synthesized via furan ring saturation was the major product. The presence of Bronsted acid sites (BASs) in water and the participation of four hydrogen atoms from water molecules promoted FFA conversion via the CPO pathway. By contrast, the absence of BASs in ethanol and the participation of three hydrogen atoms from ethanol molecules resulted in the THFOL pathway being dominant. Furthermore, both thermodynamic properties and oxygen vacancies were found to affect FFA conversion.
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공과대학 (화공생명공학과)
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