Hydrolysis of ionic cellulose to glucose
- Hydrolysis of ionic cellulose to glucose
- 휴옌 딴 보; Vania Tanda Widyaya; 제정호; 김훈식; 이현주
- Cellulose; Water-soluble; Hydrolysis; Ionic liquid; Glucose
- Issue Date
- Bioresource technology
- VOL 167, 484-489
- Hydrolysis of ionic cellulose (IC), 1,3-dimethylimidazolium cellulose phosphite, which could be synthesized from cellulose and dimethylimidazolium methylphosphite ([Dmim][(OCH3)(H)PO2]) ionic liquid, was conducted for the synthesis of glucose. The reaction without catalysts at 150 °C for 12 h produced glucose with 14.6% yield. To increase the hydrolysis yield, various acid catalysts were used, in which the sulfonated active carbon (AC-SO3H) performed the best catalytic activity in the IC hydrolysis. In the presence of AC-SO3H, the yields of glucose reached 42.4% and 53.9% at the reaction condition of 150 °C for 12 h and 180 °C for 1.5 h, respectively; however the yield decreased with longer reaction time due to the degradation of glucose. Consecutive catalyst reuse experiments on the IC hydrolysis demonstrated the catalytic activity of AC-SO3H persisted at least through four successive uses.
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