Figure 3

Changes of yields of 5-HMF with treatment time for humidified wood (0.09 g) treated in [MIM]HSO4 (3 g) at (a) 140 °C and (b) 160 °C.

Changes of yields of 5-HMF with treatment time for humidified wood (0.09 g) treated in [MIM]HSO4 (3 g) at (a) 140 °C and (b) 160 °C.