电石法PVC生产系统中混合气脱水新技术

New techniques for dehydration of mixed gas in production process of PVC by calcium carbide method

针对电石法PVC生产系统中混合气脱水的重要性,分析了常用脱水方式,尤其是混合冷冻脱水系统存在的缺陷,阐述了变压吸附脱水的工艺原理及优越性。

Since the dewatering of mixed gas in the production process of PVC by calcium carbide method was important, the flaws in commonly used dewatering methods, especially mixing and freezing dewatering method, were analyzed. The principles and advantages of pressure swing adsorption dewatering process were described.