| 基于BP神经网络研究儿茶素在ADS-8树脂固定床的吸附过程 |
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| 引用本文： | 李慧星,许彬,肖连冬,臧晋.基于BP神经网络研究儿茶素在ADS-8树脂固定床的吸附过程[J].离子交换与吸附,2011,27(2). |
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| 作者姓名： | 李慧星 许彬 肖连冬 臧晋 |
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| 作者单位： | 南阳理工学院生物与化学工程学院,南阳,473004 |
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| 摘 要： | 以信阳毛尖茶叶浸提液为原料,研究儿茶素在ADS-8树脂固定床的吸附过程及优化吸附条件。试验基于BP神经网络建立吸附模型,通过仿真分析上样浓度、柱径比和流速对穿透时间、穿透体积的影响。模型的模拟值与试验值的相关系数为0.992,模拟值与试验值没有显著差异。最佳工艺条件为上样浓度1.5mg/mL,柱径比17:1,流速3.0mL/min。建立的模型可用于模拟儿茶素在ADS-8树脂固定床的吸附过程,结果为吸附树脂法制备儿茶素提供一定的参考。
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| 关 键 词： | 儿茶素 ADS-8树脂 BP神经网络 吸附 |
STUDIES ON ADSORPTION OF CATECHIN BY A FIXED BED PACKED WITH MACROPOROUS RESIN ADS-8 BASED ON BP NEURAL NETWORK |
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| LI Huixing,XU Bin,XIAO Liandong,ZANG Jin.STUDIES ON ADSORPTION OF CATECHIN BY A FIXED BED PACKED WITH MACROPOROUS RESIN ADS-8 BASED ON BP NEURAL NETWORK[J].Ion Exchange and Adsorption,2011,27(2). |
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| Authors: | LI Huixing XU Bin XIAO Liandong ZANG Jin |
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| Institution: | LI Huixing XU Bin XIAO Liandong ZANG Jin Department of Biology and Chemical Engineering Nanyang Institute of Technology Nanyang 473004,China |
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| Abstract: | The experiments were carried out to study the adsorption of catechin from Xinyang tea extracts in a fixed bed packed with macroporous resin ADS-8.The BP neural network was used to simulate the process of adsorption and analyse the factors.The optimal conditions were concentration 1.5mg/mL,flow rate 3.0mL/min,ratio about height and diameter 17:1.The model based on BP neural network was feasible,the correlation coefficient of experimental data and simulated data was 0.992.There was no difference between exper... |
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| Keywords: | Catechin ADS-8 resin BP neural network Adsorption |
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