硫酸功能化奇托-金属-有机框架复合物,用于有效和快速地将果糖转化为5-基甲基
Sima Darvishi1, Samahe Sadjadi2, Majid M Heravi1
1Department of Chemistry, School of Physics and Chemistry, Alzahra University, PO Box 1993891176, Vanak, Tehran, Iran.
Scientific reports
|March 9, 2024
概括
一种由酸盐和基于Al的金属有机框架制成的新型生物基催化剂有效地将果糖转化为5-基甲基 (HMF). 这种可回收的催化剂在最佳条件下实现了97.1%的产量.
科学领域:
- 催化剂是一种催化剂.
- 材料科学 材料科学 材料科学
- 生物质转换生物质转换
背景情况:
- 生物质转化为有价值的化学物质对于可持续化学至关重要.
- 开发高效和可回收的催化剂是生物质脱水过程的关键.
- 5-基甲基 (HMF) 是一种重要的平台化学物质,来自生物质糖.
研究的目的:
- 设计和合成一种新的生物基催化复合物,用于果糖脱水.
- 为了增强复合物的催化活性和酸度.
- 为了优化反应条件以最大限度地提高HMF产量.
主要方法:
- 在 Al 基金属有机框架的 in-situ 形成.
- 复合物的硫化,使用硫酸来增加酸度.
- 使用XRD,XPS,FTIR,SEM/EDX,TGA和元素映射进行表征.
- 通过响应表面方法 (RSM) 优化果糖脱水条件.
主要成果:
- 一种新的酸性催化复合物被成功合成和表征.
- 在优化条件下 (23重量%催化剂,DMSO,110°C,40分钟) 从果糖中获得了97.1%的HMF.
- 催化剂在5个反应周期中表现出良好的可回收性和稳定性.
结论:
- 开发的硫化基MOF/花素复合物是HMF生产的高效生物基催化剂.
- 催化剂的可回收性和高产量为可持续生物质价值化提供了一个有希望的途径.
- 在生物质转化过程中,RSM是优化催化反应条件的宝贵工具.
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