万吨级高吸水树脂光催化梯次引发聚合反应器工艺包开发及控制优化研究

Study on Process Development and Control Optimization of Ten-thousand-tonnage Reactor for Superabsorbent Polymer Polymerization Echelon Initiated by Photo

以丙烯酸及盐溶液聚合和光催化梯次辐射能传递自由基聚合相结合的工艺流程,从工业化聚合装置的角度对丙烯酸系溶液聚合光催化反应器进行了剖析,研究了丙烯酸及盐溶液聚合复杂体系的热力学物性计算模型及其参数确定方法;从丙烯酸及盐聚合反应过程的光催化机理和反应动力学入手,基于梯次光催化反应动力学对万吨级工业化聚合装置全流程动态建模,进行反应器操作条件、动态特性、物态物性等分析,工业示范装置流程优化运行及工业化实验装置的带料调试。对聚合反应器体系进行项目开发评价,对指导项目开发具有重要的实践和指导意义。

Based on polymerization of acrylic and salt and a free radical polymerization initiated by photo catalysis,analyzed the photo catalysis reactor for acrylic emulsion polymerization from the angle of industrial device,studied the thermodynamic property calculation model and its parameters determination method of the complicated system of acrylic acid and salt.Based on the photocatalytic mechanism and reaction kinetics of the polymerization reaction of acrylic acid and salt,established dynamic model for the whole process of ten-thousand-tonnage industrial polymer plant,and analyzed the operation conditions,dynamic characteristics and state properties of the reactor.Also,optimized the running of the industrial demonstration plant and tested the plant with feedstock.In conclusion,evaluation of the project development of polymerization reactor system had important practical and guiding significance.