Solvent-free alcohol oxidation using paper-structured catalysts: Flow dynamics and reaction kinetics

Taichi Homma, Takuya Kitaoka

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


Paper-structured fibrous composites with micrometer-sized pores were prepared using a papermaking technique, followed by in situ synthesis of Pd nanoparticles in the paper matrix using a facile impregnation method. The Pd-containing paper-structured catalysts showed high catalytic activities in solvent-free benzyl alcohol oxidation in a flow reaction system. Highly selective oxidation was achieved using the porous paper-structured catalysts set inside a gas-liquid-solid multiphase reactor. Kinetic and mechanistic studies of various reactions showed that the catalytic activity and selectivity were associated with microfluidic behavior in the fiber-network pores. A uniform distribution of the liquid-phase substrate, i.e., benzyl alcohol, provided high catalytic activity. High selectivity for the oxidation pathways can be attributed to efficient gas-liquid-solid mass transfer toward the thin liquid layer formed at the interface between the alcohol and Pd catalyst inside the porous fiber networks.

Original languageEnglish
Pages (from-to)467-476
Number of pages10
JournalChemical Engineering Journal
Publication statusPublished - Feb 1 2016

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Environmental Chemistry
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering


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