Fig. 5
Mass balance of [C4mim]Cl-Amberlyst 35DRY isothermal pretreatment for the selected conditions. a IL pretreated at 110 °C, following by solid acid Amberlyst 35DRY catalyzed for 1.0 h, b IL pretreated at 120 °C, following by solid acid Amberlyst 35DRY catalyzed for 0.5 h, and c IL pretreated at 120 °C, following by solid acid Amberlyst 35DRY catalyzed for 1.5 h. Mass balanced adjusted to 100 g starting biomass. Values presented ±SD