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Pivotal MoOx-decorated Ru/C with a monomeric structure boosts the room temperature and low-pressure hydrogenation of levulinic acid to γ−valerolactone

Author

Listed:
  • Rodiansono,
  • Syahruji,
  • Dewi, Heny Puspita
  • Azzahra, Atina Sabila
  • Sembiring, Kiky Corneliasari
  • Adilina, Indri Badria
  • Afandi, Ahmad

Abstract

Pivotal molybdenum oxide-decorated ruthenium on charcoal catalysts exhibited high efficiency and selectivity for the room temperature and low pressure hydrogenation of levulinic acid (LA) to renewable fuel γ−valerolactone (GVL). The Ru-(y)MoOx/C (y = the amount of co-loaded Mo in wt%) catalysts were synthesised by using a one-pot coprecipitation-hydrothermal method of a solution that consisted of Ru and Mo species at 150 °C for 24 h, followed by reduction with H2 at 300–600 °C for 1.5 h. The Ru-(0.55)/MoOx/C catalyst (pre-reduced at 500 °C) exhibited high dispersion of Ru nanoparticles on the surface of MoOx/C composite support, demonstrating the highest yield of GVL (>99) with a turnover frequency (TOF) reaching up to 2730 h−1 at 30 °C, 10 bar H2, and 1 h. The Ru-(0.55)/MoOx/C also catalysed various carboxylic acids to corresponding alcohols and was reusable without any significant loss of selectivity.

Suggested Citation

  • Rodiansono, & Syahruji, & Dewi, Heny Puspita & Azzahra, Atina Sabila & Sembiring, Kiky Corneliasari & Adilina, Indri Badria & Afandi, Ahmad, 2024. "Pivotal MoOx-decorated Ru/C with a monomeric structure boosts the room temperature and low-pressure hydrogenation of levulinic acid to γ−valerolactone," Renewable Energy, Elsevier, vol. 229(C).
    • Handle: RePEc:eee:renene:v:229:y:2024:i:c:s0960148124008152
    DOI: 10.1016/j.renene.2024.120747
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