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Citation: Xiangdong Long, Peng Sun, Zelong Li, Rui Lang, Chungu Xi, Fuwei Li. Magnetic Co/Al₂O₃ catalyst derived from hydrotalcite for hydrogenation of levulinic acid to γ-valerolactone[J]. Chinese Journal of Catalysis, ;2015, 36(9): 1512-1518. doi: 10.1016/S1872-2067(15)60934-2 shu

Magnetic Co/Al₂O₃ catalyst derived from hydrotalcite for hydrogenation of levulinic acid to γ-valerolactone

1.
State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, Gansu, China

Corresponding author: Fuwei Li,
Received Date: 31 March 2015
Available Online: 5 June 2015
Fund Project: 国家自然科学基金(21133011, 21373246) (21133011, 21373246)

The efficient hydrogenation of levulinic acid (LA) to γ-valerolactone (GVL) over a hydrotalcite-derived non-precious metal Co/Al₂O₃ catalyst was achieved. Its core-shell structure and a strong interaction between Co and Al species stabilized the Co particles against leaching and sintering. This magnetic non-precious metal catalyst showed a comparable catalytic performance to a commercial Ru/C for the liquid hydrogenation of LA. It was easily separated from the reaction medium with an external magnet. The catalyst exhibited excellent recyclability, complete LA conversion and >99% GVL selectivity, and would be useful in a large scale biorefinery.
- Biomass conversion,
- Levulinic acid,
- γ-Valerolactone,
- Stable base metal catalyst,
- Core-shell structure,
- Cobalt
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Magnetic Co/Al2O3 catalyst derived from hydrotalcite for hydrogenation of levulinic acid to γ-valerolactone

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Magnetic Co/Al₂O₃ catalyst derived from hydrotalcite for hydrogenation of levulinic acid to γ-valerolactone