Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
Bioresour Technol. 2012 Jul;116:355-9. doi: 10.1016/j.biortech.2012.03.098. Epub 2012 Apr 5.
A sulfonated carbon material was prepared by incomplete hydrothermal carbonization of glucose followed by sulfonation. The carbon material contained -SO(3)H, -COOH, and phenolic -OH groups, and exhibited high catalytic performance for the hydrolysis of cellulose. A total reducing sugar (TRS) yield of 72.7% was obtained in ionic liquid 1-butyl-3-methyl imidazolium chloride at 110 °C in 240 min reaction time. The effect of water on the hydrolysis of cellulose in the catalytic system was studied. A water content of less than 2% in the ionic liquid promoted the formation of TRS, whereas a water content of greater than 2% lead to a decrease in TRS. The sulfonated carbon material catalyst was demonstrated to be stable for five cycles with minimal loss in catalytic activity. The use of an ionic liquid with functionalized carbon catalyst derived from glucose provides a green and efficient process for cellulose conversion.
一种磺化碳材料是通过不完全水热碳化葡萄糖，然后磺化得到的。该碳材料含有-SO(3)H、-COOH 和酚-OH 基团，对纤维素的水解表现出很高的催化性能。在 110°C、240 分钟的反应时间内，在离子液体 1-丁基-3-甲基咪唑氯化物中，总还原糖（TRS）的收率达到了 72.7%。研究了水在催化体系中对纤维素水解的影响。离子液体中含水量低于 2%时，有利于 TRS 的生成，而含水量大于 2%时，TRS 的生成则减少。磺化碳材料催化剂在五次循环中表现出稳定的催化活性，几乎没有损失。使用功能化碳催化剂的离子液体和葡萄糖衍生的方法为纤维素转化提供了一种绿色高效的工艺。
