连续流动微反应器加速分子碰撞,使氨酸脱聚变为类单体和寡合体
Pengfei Lian1, Shuangjie Liu2, Zihao Ma1
1Liaoning Key Lab of Lignocellulose Chemistry and BioMaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China.
Biomacromolecules
|September 18, 2023
概括
这项研究引入了一种连续流动的微反应器,用于高效的素脱聚合. 这种新的方法优化了单和寡产量,为从素中生产有价值的化学中间体提供了一种新策略.
科学领域:
- 化学工程是化学工程的重要组成部分.
- 生物质转换生物质转换
- 可持续化学 可持续化学
背景情况:
- 氨酸脱聚合对于其价值化至关重要.
- 现有的方法主要使用批处理,限制了可扩展性.
- 微反应器技术为连续的红素加工提供了潜力.
研究的目的:
- 开发一个连续流动的微反应器系统用于素脱聚合.
- 调查工艺参数对产品产量的影响.
- 建立一个有效的战略,从素生产精细化学中间体.
主要方法:
- 开发一个连续流动的微反应器.
- 优化温度,压力,停留时间,NaOH剂量和溶剂.
- 使用分析技术对脱聚合产品进行表征.
主要成果:
- 实现了77.73%重量%的红素转化率.
- 获得了13.26%重量%的单体产量,含有77.81%的化合物.
- 鉴定出基四基和三基作为主要的油成分,由于β-O-4链接裂变,具有高的2,6-二度氧化产量.
结论:
- 连续流动的微反应器使得有效的素去聚合成为可能.
- 过程参数可以调整以控制单体和小分子产量.
- 这种方法为在细化工中间产品中提升红素的价值提供了一个有希望的策略.
相关概念视频
Production of Alcohol
Continuous fermentation is a key strategy in industrial ethanol production, particularly when efficiency, scalability, and high yields are essential. This approach allows for uninterrupted operation and optimized resource utilization. The primary feedstock, corn starch, undergoes enzymatic hydrolysis facilitated by α-amylase and glucoamylase. These enzymes break down the starch into fermentable sugars such as glucose, which are readily assimilated by fermentative microorganisms.Fermentation...
Fast Reactions
Fast reactions occurring in times shorter than the time needed to mix reactants pose a unique challenge for investigation. In a liquid-phase continuous-flow system, reactants A and B are swiftly pushed into the mixing chamber, where mixing occurs within 1 ms. The reaction mixture then flows through an observation tube, and one measures light absorption to determine species concentrations at various points of the tube. This method is most appropriate when relatively large volumes of reactants...
Production of Organic Acids
Lactic acid, an important organic acid extensively applied in food, pharmaceutical, and biodegradable polymer industries, is primarily produced via microbial fermentation. This method is favored over chemical synthesis due to its environmental sustainability and capacity for enantiomerically pure product formation. Among various microbial processes, the fermentation of starch-based substrates stands out due to the abundance and renewability of raw materials like corn and potatoes.Hydrolysis of...


