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可持续的玉米茎全细胞质液化中的时间依赖机制:在H3PO4下解阶段进化 用二进制溶剂系统进行催化
Zhuangzhi Gao1, Yan Zhang1, Huifang Zhao1
1School of Environmental and Nature Resources, Zhejiang University of Science & Technology, Hangzhou, Zhejiang 310023, China.
Biomacromolecules
|November 19, 2025
概括
这项研究提出了一种绿色方法,使用二乙烯甘醇/甘油溶剂系统将玉米茎全纤维素转化为95.90%的生物油. 这种创新方法优化了在温和条件下从农业废物中生产生物油的生产.
科学领域:
- 绿色化学 绿色化学
- 生物质转换生物质转换
- 可持续材料 可持续材料
背景情况:
- 农业废物,如玉米茎全纤维素 (CSHC),对可持续利用提出了挑战.
- 开发有效和环保的方法来将纤维素生物质转化为有价值的产品至关重要.
研究的目的:
- 制定农业废物衍生生物大分子的绿色利用战略.
- 为了研究由CSHC生产生物油的H3PO4催化剂的二乙烯甘醇/甘油 (DEG/GI) 双溶剂系统的协同液化机制.
- 探索生物油生产方向性监管的潜力.
主要方法:
- 使用H3PO4催化剂开发DEG/GI二元溶剂系统.
- 液化过程中固体,液体和气体相的时间解析分析.
- 研究脱聚合-聚合机制和产品演变.
主要成果:
- 在40分钟内使用DEG/GI协同作用实现了95.90%的生物油产量.
- 化脱聚合-聚合机制,包括CO/CO2释放和晶体性 (CrI) 的短暂变化.
- 确定了甘油在抑制初始半纤维素水解和促进随后的纤维素转化中的作用.
结论:
- DEG/GI二元溶剂系统提供了一种可持续和高效的方法,用于将全细胞质转化为生物油.
- 在温和条件下,甘油在调节反应通路方面发挥着关键作用.
- 这种方法对从农业废物中生产功能性生物基材料有影响.
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