文档介绍：1 陶瓷膜微滤技术精制黄芪颗粒的研究作者:粘立军薛彦朝常美玲李奉勤李晓瑞【摘要】目的考察无机陶瓷膜在黄芪水提液精制过程中, 不同孔径的膜对膜过程的影响, 进行膜过程优化设计。方法以黄芪水提液为研究对象, 测定了 4 种不同孔径膜及不同操作参数下膜通量的变化、有效成分含量及固形物含量等。结果对于本体系, 孔径为 50 nm 的氧化铝膜渗透通量最大,固形物去除率高;合适的操作压差为 ~ MPa, 操作温度 60℃左右,膜面流速 3 m/s ;微滤过程中,分次加入适量水洗,当微滤液收率达到原药液的 100% 以上时,有效成分转移率达 82% , 即可结束微滤。结论采用 50 nm 的氧化铝膜对黄芪水提液进行微滤, 在适当操作条件下可取得较好精制效果, 为陶瓷膜分离用于中药精制领域的共性问题提供了依据。【关键词】陶瓷膜微滤精制黄芪颗粒分离技术 Abstract:ObjectiveTo observe the effect of different 2 anic pottery membranes on the parameters of technologies so as to optimize the process of production of Huangqi Granule. MethodsThree different membranes were tested under different parameters of operation to observe the changes in membrane flux and the content of ponents and oxidized aluminum membrane with the 50 nm aperture had the greatest permeation flux with the highest rate of solid removal; the appropriate operation differential pressure was ~ MPa; the operation temperature was around 60 ℃;the membrane surface flow rate was m/s. When the microfiltrate reached 100% of the original liquid and the effective transfer rate reached 80%, the micro-filtration was finished. ConclusionBy adopting 50nm oxidized aluminum membrane in the microfiltration of Huangqi Liquid, good result can be obtained. This provides basis for the application of pottery membrane isolation to the refinement of Chinese drugs. Key words:Pottery