膜分离技术在丙烯-氮气体系的应用及发展  

Development and application of membrane separation technology in propylene-nitrogen system

作　　者：蔡志强[1] 

机构地区：[1]中国石油化工股份有限公司化工事业部,北京100029

出　　处：《合成树脂及塑料》2003年第4期74-76,共3页China Synthetic Resin and Plastics

摘　　要：简要介绍了膜分离技术,并对膜分离技术应用于聚丙烯装置的丙烯-氮气系统的现状进行了分析。指出:今后重点应开发膜的合成制作技术;在研究新膜时,把提高回收率和纯度作为开发目标。建议膜回收技术向高密度聚乙烯及线型低密度聚乙烯装置推广延伸,制成适合于回收乙烯的膜技术。This paper outlined the membrane separation technology and analyzed the application status of the technology in the propylene-nitrogen system of the polypropylene (PP) plant. It was pointed out that the effort in the future development should be focused on the preparation technology of the membranes; raising product yield and improving purity should be taken as the development goals in the studies of novel membranes. A suggestion was presented for utilizing the membrane recovery technology in plant of high density polyethylene and linear low density polyethylene, and developing membrane suitable for recovering ethylene.

关 键 词：膜分离技术 丙烯-氮气体系 应用 发展 聚丙烯 

分 类 号：TQ325.14[化学工程—合成树脂塑料工业]