醋酸装置放空尾气回收技术开发与应用

通过对醋酸合成系统放空尾气气体成分的测定，在3000m^3／h和5000m^3／h工况下，模拟计算了采用膜分离纯化系统分离回收放空尾气各项工艺指标，并确定了关键设备的选型依据和工艺流程，据此建设了普里森膜分离纯化尾气装置。装置投用以采，运行稳定，年可实现毛收益2320万元，减排CO2 170×10^3m’，经济效益和社会效益显著。

Application and Development of the Vent Tail Gas Recovery Technique from Acetic Acid Installation

Based on the determining of vent tail gas components from acetic acid synthesis system,various process parameters were simulation calculated using membrane purification system separation in vent tail gas recovery of 3 000 m3/h and 5 000 m3/h conditions,the key equipment selection basis and process flow were confirmed,whereby the prison membrane separation and tail gas purification device was built.Since the device had been put into use,the operation was stable,annual gross income could reach 23 200 thousand Yuan,the emission reduction of CO2 was 170× 103 m3,so it has obvious economic benefit and social benefit.