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From

Sulfonic Acid Group Functionalized Ionic Liquid Catalyzed Hydrolysis of Cellulose in Water: Structure Activity Relationships

Ananda S. Amarasekara, Bernard Wiredu

Sustainable Energy. 2014, 2(3), 102-107 doi:10.12691/rse-2-3-4
  • Figure 1. Sulfonic acid group functionalized Brönsted acidic ionic liquid catalysts (1-8)
  • Figure 2. The changes in % yields of total reducing sugar (TRS) produced during the hydrolysis of Sigmacell cellulose (DP ~ 450) in aqueous solutions of sulfonic acid group functionalized Brönsted acidic ionic liquid catalysts 1-8 at different temperatures. All acid solutions are 0.0321 mol H+/L, reaction time: 3.0 h, 0.030 g of Sigmacell cellulose in 2.00 mL of aq. acid was used in all experiments. Averages of duplicate experiments
  • Figure 3. The changes in % yields of glucose produced during the hydrolysis of Sigmacell cellulose (DP ~ 450) in aqueous solutions of sulfonic acid group functionalized Brönsted acidic ionic liquid catalysts 1-8 at different temperatures. All acid solutions are 0.0321 mol H+/L, reaction time: 3.0 h, 0.030 g of Sigmacell cellulose in 2.00 mL of aq. acid was used in all experiments. Averages of duplicate experiments