Furfural hydrogenation over carbon‐supported copper View Full Text


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Article Info

DATE

1999-07

AUTHORS

Rajeev S. Rao, R. Terry K. Baker, M. Albert Vannice

ABSTRACT

Furfural hydrogenation over copper dispersed on three forms of carbon – activated carbon, diamond and graphitized fibers – were studied. Only hydrogenation of the C=O bond to form either furfuryl alcohol or 2‐methyl furan occurred at temperatures from 473 to 573 K. Reduction at 573 K gave the most active catalysts, all three catalysts had activation energies of 16 kcal/mol, and turnover frequencies were 0.018–0.032 s-1 based on the number of Cu0 + Cu+ sites, which were counted by N2O adsorption at 363 K and CO adsorption at 300 K, respectively. The Cu/activated carbon catalyst showed no deactivation during 10 h on stream, in contrast to the other two catalysts. A simple Langmuir–Hinshelwood model invoking two types of sites was able to fit all kinetic data quite satisfactorily, thus it was consistent with the presence of both Cu0 and Cu+ sites. More... »

PAGES

51-57

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1023/a:1019090520407

DOI

http://dx.doi.org/10.1023/a:1019090520407

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1011556211


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