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一个新的高效的液化工艺玉米粉通过三元的深溶性溶剂:产品的特征和液化机制
Luyao Wang1, Jie Yi2, Fei Cheng3
1College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China; Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China.
International journal of biological macromolecules
|December 20, 2024
概括
一种新型的三元深溶解剂 (TDES) 能够在温和条件下有效地使玉米粉 (CS) 液化. 这种TDES方法提高了多基化合物的选择性,并破坏了粉结构以提高反应性.
科学领域:
- 绿色化学 绿色化学
- 生物质转换生物质转换
- 材料科学 材料科学 材料科学
背景情况:
- 粉液化对于生产有价值的化学品和材料至关重要.
- 传统方法通常需要恶劣的条件,并且具有较低的选择性.
- 开发可持续和高效的粉液化工艺是一个关键的挑战.
研究的目的:
- 为了研究一种新型的玉米粉 (CS) 的溶解热液化方法,使用三元深溶解剂 (TDES).
- 用TDES作为酸性催化剂和液化试剂.
- 探索多组件TDES对反应条件和产品选择性的协同效应.
主要方法:
- 玉米粉在三元深度浸泡溶剂中的溶热液化.
- 液化产品的表征 (粘度,基数,酸数).
- 使用光谱方法分析液化残留物 (例如,减少短距离订购).
- 气色谱-质谱 (GC-MS) 用于反应路径和质量平衡的确定.
主要成果:
- 实现了较温和的反应条件 (110°C,35分钟).
- 对多基化合物的高选择性 (高达97.83%).
- 获得的液化产品 (LP-60) 具有理想的特性 (粘度:351.76 mPa·s,基数:131.98 mg KOH/g).
- 通过静电相互作用和键,TDES有效地破坏了CS的反抗性结构.
结论:
- 三级深溶解剂为玉米粉液化提供了一种高效和温和的途径.
- 在TDES中的协同效应增强了反应性和产品选择性.
- 这种方法为粉转化为有价值的多醇提供了可持续的替代方案.
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