Journal
APPLIED CATALYSIS A-GENERAL
Volume 598, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.apcata.2020.117598
Keywords
Cu/SiO2 catalyst; Ethanolamine; Furfural; Furfuryl alcohol; Hydrogenation
Categories
Funding
- National Natural Science Foundation of China [21721004, 21808217, 21932005]
- Dalian Institute of Chemical Physics [DICP ZZBS201812, DICPI201936]
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The production of furfuryl alcohol from furfural hydrogenation in gas phase is of great significance for the valorization of biomass. The existing catalyst for this transformation suffers from high cost and complex preparation process. Thus, a highly efficient copper catalyst was developed by a simple impregnation method using ethanolamine modified granular silica as carrier. The catalytic performance was related to the amount of ethanolamine used in modification. Highly dispersed copper with uniform particle size distribution was obtained from appropriate amount of ethanolamine modified granular silica. The ethanolamine modified granular silica (mass ratio between ethanolamine and silica was 3 in the initial modification mixture) supported copper catalyst exhibited the best performance in terms of catalyst lifetime thanks to its maximum amount of Cu-0 sites and largest amount of Cu+ sites. A slow deactivation of the catalyst after extended time on stream evaluation is attributed to carbon deposition and slow copper sintering.
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