膜分离技术在炼油厂氢气膜回收装置中的应用

Application of membrane separation technology in hydrogen recovery process in refinery plant

介绍了膜分离技术及其在中国石油吉林石化分公司炼油厂柴油加氢车间氢气膜回收装置中的应用。重点介绍了该装置的工艺特点,针对生产中常出现的问题做了分析,并提出了处理措施,对生产过程进行了优化调整。采用气体膜分离技术回收含氢尾气中的氢气,氢气回收率为74.45%,渗透气中氢气体积分数为90%,提高了炼厂氢气资源的利用效率,经济效益显著。

The application of membrane separation technology in hydrogen recovery process was introduced, and the technological features in diesel hydrogenation unit of Jilin Petrochemical Company, PetroChina Go. Ltd., were described in detail. Some problems found in the production process were analyzed and countermeasures were put forward, thereby the whole production process was optimized. With the technology of membrane separation, the hydrogen recovery rate was 74.45 % and the volume concentration of hydrogen of permeate side was 90%, and higher resource productive efficiency and enormous economic benefit were obtained.