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

Taichi Homma, Takuya Kitaoka

研究成果: ジャーナルへの寄稿学術誌査読

14 被引用数 (Scopus)

抄録

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.

本文言語英語
ページ(範囲)467-476
ページ数10
ジャーナルChemical Engineering Journal
285
DOI
出版ステータス出版済み - 2月 1 2016

!!!All Science Journal Classification (ASJC) codes

  • 化学 (全般)
  • 環境化学
  • 化学工学(全般)
  • 産業および生産工学

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