作　　者： ; ; ; ;

机构地区： 江苏科技大学生物与环境工程学院

出　　处： 《离子交换与吸附》 2008年第4期345-353,共9页

摘　　要： 考察了H103树脂固定床吸附分离桑叶总黄酮的工艺参数,并对吸附工艺进行了数学模拟和比较。实验结果表明,H103树脂固定床吸附分离桑叶总黄酮在上样浓度6.05mg/mL时,以9mL/min上样,吸附完全后用60%乙醇以4.5mL/min流速洗脱,桑叶总黄酮产品的回收率为90.57%,纯度为76.33%,建立的固定床吸附模型为预测固定床吸附桑叶水提液中桑叶黄酮达到穿透点时间及固定床吸附容量提供了准确、快捷的方法。 It was researched that the purification process of total flavones from mulberry leaves with H103 resin and the mathematical modeling of column adsorption process. The results showed that the best condition for dynamic adsorption was： flow rate 9mL/min, concentration of flavones from mulberry leaves 6.05mg/mL, used 60% ethanol as eluant, and desorption rate 4.5mL/min. The yield of the total flavones from mulberry leaves is 90.57%, and its purity is 76.33%. The predictions using the proposed dynamic adsorption model were found to compare well with the experimental data of column adsorption test with H103 resin. With properly identified parameters, the mathematical model offers an exact and effective means for prediction of the breakthrough time and the adsorption capacity.

关 键 词： 桑叶 黄酮 大孔吸附树脂 动态吸附 分离 数学模拟

领　　域： [理学] [理学]