在食品浪费的价值化中挑战DES和IL:一个案例研究
Angelica Mero1,2, Nicholas R Moody3, Elena Husanu1
1Department of Pharmacy, Università di Pisa, Pisa, Italy.
Frontiers in chemistry
|November 9, 2023
概括
酸 (ChArg) 有效地分成果纤维,去除木质素和,产生富含纤维素的材料. 这种基于生物的离子液体为基纤维素生物质提供了一种可持续的预处理方法.
科学领域:
- 生物质预处理 生物质预处理
- 绿色化学 绿色化学
- 生物精炼是生物精炼的一种方式.
背景情况:
- 基纤维素生物质需要高效的预处理以获得价值.
- 绿色溶剂为生物质分离提供了可持续的替代方案.
- 像果纤维这样的农业食品废物是一个未充分利用的资源.
研究的目的:
- 为了比较胆酸盐 (ChArg) 和 ChCl:乳酸 (ChCl:LA) 作为绿色溶剂的有效性,用于细胞生物质预处理.
- 为了评估这些溶剂的性能与传统的离子液体 (BMIM OAc) 相比.
- 评估这些绿色溶剂在从果纤维中生产富含纤维素材料 (CRM) 的潜力.
主要方法:
- 在90°C下使用ChArg,ChCl:LA和BMIM OAc进行1小时的果纤维预处理.
- 在预处理后分成两个不同的组件.
- 使用里埃变换红外光谱学 (FTIR) 和热重力测量分析 (TG) 的分析.
- 酶性水解后进行3,5-丁二酸 (DNS) 试验.
- 恢复和分析的 ChArg 溶剂.
主要成果:
- 在脱和脱方面,ChArg表现出卓越的性能,产生了富含纤维素的材料 (CRM).
- 在测试的温和条件下,ChCl:LA显示了不令人满意的结果.
- BMIM OAc表现中等性能,可能是由于溶解再生后纤维素结晶性降低.
- FTIR和TG分析证实了预处理材料和水解残留物的组成.
- 在预处理后,ChArg在数量上恢复了,没有显著的变化.
结论:
- 氨酸 (ChArg) 是一种高效的绿色溶剂,用于分离纤维素生物质,特别是果纤维.
- 碳酸可以有效地去和去,产生一种有价值的富含纤维素的中间体.
- 这项研究强调了Charg作为生物提炼应用中的可持续和可回收溶剂的潜力.
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