Rambhia Dheer A, Veluturla Sravanthi, Narula Archna
Department of Chemical Engineering, M.S. Ramaiah Institute of Technology, Bangalore, India.
Turk J Chem. 2022 Feb 23;46(3):881-889. doi: 10.55730/1300-0527.3376. eCollection 2022.
The ketalization reaction of glycerol with acetone for solketal formation was performed using a gel-type ion exchange resin, Indion 225H in a solvent-free medium. The experimental parameters molar ratio, catalyst loading, rate of stirring, and temperature were analyzed and evaluated for their impact on the conversion of glycerol. A kinetic model based on the Langmuir-Hinshelwood-Hougen-Watson (LHHW) equation described the kinetics of the heterogeneous system. The parameters were evaluated using the ode45 solver and Genetic Algorithm (GA) optimization function on MATLAB software. The activation energy for the ketalization of glycerol was found to be 39.3 kJ/mol, the enthalpy of adsorption of water was -23 kJ/mol. The present work provides an economical path for the valorization of biodiesel-derived glycerol.
在无溶剂介质中，使用凝胶型离子交换树脂Indion 225H进行甘油与丙酮的缩酮化反应以生成缩酮甘油。分析并评估了实验参数摩尔比、催化剂负载量、搅拌速率和温度对甘油转化率的影响。基于朗缪尔-欣谢尔伍德-霍根-沃森（LHHW）方程的动力学模型描述了多相体系的动力学。使用MATLAB软件中的ode45求解器和遗传算法（GA）优化函数对参数进行了评估。发现甘油缩酮化的活化能为39.3 kJ/mol，水的吸附焓为-23 kJ/mol。本研究为生物柴油衍生甘油的增值提供了一条经济途径。
Zotero 插件
