Research Article

Biomass Derivative Valorization Using Nano Core-Shell Magnetic Materials Based on Keggin-Heteropolyacids: Levulinic Acid Esterification Kinetic Study with N-Butanol

Figure 8

Influence of the reaction temperature on the conversion of BLE with Fe3O4@SiO2@SiO2/TPA400N2 as catalyst. Reaction conditions: 1 : 2 molar ratio of reactants, 100 mg of catalyst, and 7 h reaction.