摘要
研究了超滤压力、温度和ｐＨ值对膜透过性的影响．结果表明，ｐＨ值对膜透过性影响很大，且碱溶液较之酸溶液使膜通量衰减更快；压力增大，膜通量衰减幅度减小；温度为３０℃时，比２０℃时的膜通量衰减程度减小，但３０、３５、４０℃时的膜通量无明显差异；在改变压力、温度下对四妙勇安汤进行了超滤，测定了氯原酸的回收率，无明显差异．
The separation and clarification of Simiao Yongan Tong by ultrafiltration,which is one of the chinese medicine, has been studied. The effects of solution pH, solution temperature and system pressure on permeation flux and the recovery rate of chlorogenic acid were investigated. The results show that the solution pH and temperature have a great influence on the membrane performance,the others can be neglected.
出处
《膜科学与技术》
CAS
CSCD
1999年第2期54-57,共4页
Membrane Science and Technology
基金
国家自然科学基金
