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基于的催化剂,用于有效地转化工业性在与乙醇集成的胆化乳酸和深度欧溶剂中

Zhen Wu¹, Zihe Zhao¹, Tao Wang¹

¹Jiangsu Key Laboratory for Biomass-based Energy and Enzyme Technology, Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an 223300, China.

International journal of biological macromolecules

|January 25, 2025

概括

这项研究提出了一种高效的方法,用于分解工业素,使用一种新型催化剂和含乙醇的深溶解剂 (DES). 这种方法显著增强了素的转化,并产生了有价值的单体,提供了具有成本效益的替代品.

科学领域:

化学工程是化学工程的重要组成部分.
材料科学材料科学材料科学
催化剂是一种催化剂.

背景情况:

工业素的价值化对于可持续的化学品生产至关重要.
需要有效的催化脱聚合方法来将红素转化为有价值的产品.
现有的方法面临着素溶解性和脱聚合效率方面的挑战.

研究的目的:

开发一个有效的还原性脱聚合战略,用于工业色素.
为了研究一种新型催化剂和一种深度性溶剂 (DES) 系统的协同效应.
为了优化素转化和最大限度地提高单体产量.

主要方法:

使用了与乙醇集成的胆化-乳酸 (ChCl-LA) DES作为复杂溶剂.
合成并使用一种C-支持的N-化基催化剂 (NBC@N-LC).
在优化条件下进行了工业素的还原性脱聚合.

主要成果:

该DES-乙醇溶剂系统显著改善了木质素的转化.
该NBC@N-LC催化剂进一步增强了脱聚合,实现了21.9%的低未聚合的红素产量和31.8%的高单体产量.
4-乙烯是主要的单体 (53.6%的选择性),表明了方向反应性.

结论:

结合NBC@N-LC和DES-乙醇的协同作用提供了一个高效和选择性的素脱聚合途径.
这种方法为工业木质素的价值化提供了一个有希望的,具有成本效益的替代方案.
该研究强调了DES作为溶剂,乙醇作为捐赠剂和反应中的催化剂的作用.

关键词:

这是一种DES-乙醇.脱聚合脱聚合方式工业性木质的工业性木质是什么基于的催化剂是基的.

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