连续流微通道反应器中二氯丙醇合成环氧氯丙烷的浓度分布及动力学分析  

CONCENTRATION DISTRIBUTION AND KINETICS OF EPICHLOROHYDRIN FROM DICHIOROPROPANOL IN CONTINUOUS FLOW MICRO-CHANNEL REACTOR

作　　者：刘建武[1,2] 郭成[1] 严生虎[2] 沈介发[2] 张跃[2] 

机构地区：[1]南京工业大学理学院,江苏南京211800 [2]常州大学制药与生命科学学院,江苏常州213164

出　　处：《精细石油化工》2015年第6期68-71,共4页Speciality Petrochemicals

基　　金：江苏省产学研前瞻性联合研究项目(BY2014037-02)

摘　　要：为简化反应系统的连续控制,提高装备利用率,采用一种具有脉冲混合结构的微通道反应器,考察了连续流反应器内二氯丙醇(DCH)合成环氧氯丙烷(ECH)的反应动力学,研究了反应温度、停留时间对反应产物组分的影响。建立了二氯丙醇环化与环氧氯丙烷水解的动力学方程,并进行了验证。环化反应动力学方程为:r_1=7.57×10^(14)·e^(-11146.3/T)·C_(DCH)·C_(NaOH),环氧氯丙烷的水解反应动力学方程为:r_2=5.43×10^(10)·e^(-8 263.2/T)·C_(ECH)·C_(NaOH)。利用得出的动力学数据,分析了连续流微通道反应器的优势,为反应器设计与连续流工艺的改进提供了依据。In order to improve the continuous control and productivity of the reaction system, a continuous process was designed by using a micro-channel reactor with plus mixing structure. Kinetics of epichlorohydrin（ECH）, produced via alkalic cyclization of dichloropropanol（DCH） in tower reacting systems, was investigated. Influences of reacting temperature and residence time on product components were studied. The cyclization of kinetics equation is rl = 7.57 × 10^14 · e^-11146.3/T . CDCH · CNaow, the hydrolysis of kinetics equation is r2 =5.43× 10^10 · e^-8 z63.2/T . CECH · CNaOH. The advantages of con- tinuous flow micro-channel reactor are achieved by kinetics data, so as to improve the design of reactor and continuous process.

关 键 词：连续流 二氯丙醇 环氧氯丙烷 动力学 

分 类 号：TQ223.26[化学工程—有机化工]