氯乙烯精馏高沸物提纯系统的改进

摘要

The production and composition of high-boiling compounds from vinyl chloride distil-lation were introduced. In view of the shortcomings of the original purification system, improvements were carried out. The new purification system adopted two-tower distillation process, and the mass frac-tion of dichloroethane obtained could increase to 86. 9％, most of the vinyl chloride was recovered. The dichloroethane was colorless and transparent, and had won the praise from customers.%介绍了电石法氯乙烯精馏高沸物的产生、组成,针对原提纯系统的不足进行了改进.新提纯系统采用两塔精馏工艺,得到的二氯乙烷的质量分数可提高到86.9％,回收了大部分氯乙烯,且其外观呈无色透明状,获得了客户好评.