电场作用下动态超滤分离鲨软骨粘多糖的研究  

Dynamic Ultrafiltration of Shark Cartilage Mucopolysaccharides under an Electric Field

作　　者：肖凯军[1] 李琳[1] 郭祀远[1] 蔡妙颜[1] 陈健[1] 

机构地区：[1]华南理工大学食品与生物工程学院轻化工研究所,广东广州510640

出　　处：《高校化学工程学报》2001年第4期383-386,共4页Journal of Chemical Engineering of Chinese Universities

基　　金：国家教育部科学技术重点项目(教财司[1999]284);国家自然科学基金资助项目(编号:2000628);博士学科点专项科研基金(编号: 20000561

摘　　要：研究了电场作用下动态超滤分离鲨软骨粘多糖的操作工艺; 考察了不同电场强度下操作压力、温度、进料浓度和流速对膜通量的影响。结果表明，电场可以提高膜通量和膜截留率，强化超滤鲨软骨粘多糖的分离过程。The dynamic ultrafiltration process of shark cartilage mucopolysaccharides in the cross-flow conditions under an electric field was studied. In this system, an electric field was used to pull the negatively charged mucopolysaccharides in a direction opposite to the pressure-driven membrane flow. The effects of pressure drop, temperature, feed concentration and flow rate on membrane flux under different electric strength were investigated. The results show that coupling electric field with ultrafiltration can increase the flux and retention of mucopolysaccharides, therefore, the transport process of dynamic ultrafiltration is enhanced.

关 键 词：动态超滤 分离 鲨 软骨 粘多糖 电场 超滤膜 

分 类 号：TQ281[化学工程—有机化工] TQ028.8