膜科学与技术

无机陶瓷膜精制三两半药酒的膜污染及防治研究

作者：黄敏燕¹，²，潘林梅¹，付廷明¹，潘永兰¹，郭立玮¹

单位： 1. 南京中医药大学中药复方分离工程重点实验室，南京 210029;2. 江苏省南通市第一人民医院药剂科，江苏南通 226001

关键词： ZrO2陶瓷膜；三两半药酒；膜污染；超声

出版年,卷(期):页码： 2012,32(4):98-101

摘要：

通过对不同孔径的ZrO2陶瓷膜在微滤过程中的阻力分布、高分子去除率、物理化学参数变化等的测定，分析污染物的存在状态或位置以及形成规律，探索无机陶瓷膜微滤中药药酒的污染机制。同时采用超声物理手段强化膜过程，寻求有效的膜污染防治手段。结果发现：对于本实验体系中药“三两半药酒”，膜孔径为0.2μm的ZrO2膜的污染度略低于0.05μm孔径膜。两种孔径膜管的最主要污染源均表现在堵孔层，差异最大的是吸附阻力，孔径为0.05μm的ZrO2膜的吸附阻力约为0.2μm孔径膜的两倍。膜对三两半药酒中蛋白质和淀粉的去除作用较显著。微滤后的药酒呈透明浅棕黄色，口感更香醇清爽，微滤前后的药效未见明显变化。经孔径为0.2μm的ZrO2陶瓷膜微滤后药酒的浊度变化最大，由49.0NTU降至2.83NTU，但药液的pH值、电导率值、黏度在微滤前后波动较小。超声强化对孔径为0.2μm 的ZrO2陶瓷膜通量提高率达36.3%。

Resistance distribution, removal of polymer, and physical-chemical parameters were measured before and after microfiltration by organic membranes with different pore size. At the same time, existence or location of pollutants and the laws of formation were analyzed. Ultrasound on membrane microfiltration was applied to explore effective means of preventing membrane fouling. The results showed that 0.2μmZrO2 had a lower degree of membrane fouling. For both pore membranes, the main sources of pollution were reflected in the pore blocking layer. The biggest difference was the adsorption resistance which 0.05μm ZrO2 had about double adsorption resistance as much as 0.2μm ZrO2.At the same time, it was found 0.2μm and 0.05μm ZrO2 membranes presented a significant function on removal of pectin and starch. ZrO2 membrane had a better refining result on clarificating SanLiangBan Liquor which rendered light brown yellow. The flavor was more mellow and refreshing. Efficacy components of SanLiangBan Liquor was changed little before and after microfiltration. The most significant improvement was turbidity which dropped from 49.0NTU to 2.83NTU before and after microfiltration by 0.2μm ZrO2 membrane. However, it showed minor fluctuations on the value of pH, viscosity and conductivity. It was found that ultrasonic could effectively improve the membrane permeate flux that its increase rate of 0.2μm ZrO2 membrane was 36.3%.

黄敏燕（1985-），女，江苏南通人，硕士（现工作单位：南通市第一人民医院），从事中药膜分离技术研究.E-mail：huangminyan616@163.com。*通讯联系人, E-mail：guoliwei815@yahoo.com.cn

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