Novel Ru- polyethersulfone (PES) catalytic membrane for highly efficient and selective hydrogenation of furfural to furfuryl alcohol

Giuseppe Bagnato, Alberto Figoli, Claudia Ursino, Francesco Galiano, Aimaro Sanna

Research output: Contribution to journalArticle

11 Citations (Scopus)
36 Downloads (Pure)

Abstract

A novel catalytic membrane has been synthesised, characterised and evaluated for the selective hydrogenation of furfural to furfuryl alcohol. Unlike conventional methods, involving high pressure and high H2:feed ratios, this work proposes an innovative Ruthenium based Catalytic Membrane Reactor (CMR) to overcome mass transfer limitations, resulting in low H2 requirements, high catalytic activity and high selectivity towards furfuryl alcohol. A UV-curable hydrophilic anionic monomer acrylic acid was used as coating material onto a commercial PES membrane and subsequently Ru nanoparticles have been added. The hydrogenation of furfural has been carried out in a customised catalytic membrane reactor under mild conditions: 70 ºC and 7 bar, exhibiting high catalytic activity towards furfuryl alcohol (selectivity >99%) with turnover frequency (TOF) as high as 48,000 h-1, 2 orders of magnitude higher than those obtained so far.
Original languageEnglish
Pages (from-to)4955-4965
Number of pages11
JournalJournal of Materials Chemistry A
Volume6
Issue number12
Early online date23 Feb 2018
DOIs
Publication statusPublished - 28 Mar 2018

Keywords

  • Catalysis, membrane reactors, hydrogenation, bio-oil, furfural, fyrfuryl alcohol, Ru-PES

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