Constructing Model of Osmostic Pressure and Conductivity of Chinese Traditional Medicine Decotion in Reverse Osmosis Membrane Process

ZHANG Liu-hong; QIAN Yu-yi; WANG Xiao-jian; ZHU Hua-xu; GUO Li-wei; LI Bo

doi:10.13422/j.cnki.syfjx.2015120004

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Constructing Model of Osmostic Pressure and Conductivity of Chinese Traditional Medicine Decotion in Reverse Osmosis Membrane Process

更新时间：2024-01-04

- Constructing Model of Osmostic Pressure and Conductivity of Chinese Traditional Medicine Decotion in Reverse Osmosis Membrane Process
- Chinese Journal of Experimental Traditional Medical Formulae Vol. 21, Issue 12, Pages: 1-4(2015)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.13422/j.cnki.syfjx.2015120004
  CLC： R285.5
- Published：2015
- 稿件说明：
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ZHANG Liu-hong, QIAN Yu-yi, WANG Xiao-jian, et al. Constructing Model of Osmostic Pressure and Conductivity of Chinese Traditional Medicine Decotion in Reverse Osmosis Membrane Process[J]. Chinese journal of experimental traditional medical formulae, 2015, 21(12): 1-4.
DOI：

ZHANG Liu-hong, QIAN Yu-yi, WANG Xiao-jian, et al. Constructing Model of Osmostic Pressure and Conductivity of Chinese Traditional Medicine Decotion in Reverse Osmosis Membrane Process[J]. Chinese journal of experimental traditional medical formulae, 2015, 21(12): 1-4. DOI： 10.13422/j.cnki.syfjx.2015120004.

摘要

目的: 构建中药水提液在反渗透膜处理过程中渗透压与电导率的相关性方程模型。方法: 通过对黄芩、栀子、六味地黄丸等25个单、复方中药水提液体系在反渗透膜过程中渗透压(π)与电导率(e)的相关性分析

以药液质量浓度为桥梁

提出渗透压-电导率相关性模型

选择栀子、六味地黄丸水提液加以验证。结果: 中药水提液e在0.78~7.26 ms·cm-1时

与其相应的渗透压具有良好的线性关系(R2=0.964 2);栀子水提液渗透压与电导率在反渗透膜过程中具有相似的变化规律

且二者均与药液质量浓度呈正相关。栀子水提液在25~250 g·L-1时符合方程π=0.088 0e-0.050 1

六味地黄丸水提液在25~125 g·L-1时符合方程π=0.368 4e-0.118 9

计算值与实测值均无显著性差异。结论: 构建的中药水提液渗透压与电导率的相关性模型具有一定的适应性

为中药反渗透膜过程实现渗透压在线检测提供简单、有效、可靠的手段。

Abstract

Objective: To investigate relationship between osmosis pressure and conductivity of Chinese medicine decotion

and construct model of them. Method: This model was based on the concentration of decotion

which had a postive effect on osmosis pressure and conductivity in some degree.There were 25 system to research relationship between osmosis pressure and conductivity.Rationality of the model was verified by taking Gardeniae Fructus decotion and Liuwei Dihuang Wan decotion as experimental subjects. Result: They had good linear relation in the range of 0.78-7.26 ms·cm-1 of conductivity

the correlation coefficient was 0.964 2.As time went on

the change rule of osmosis pressure and conductivity was similar

in addition

they both had positive relationship with decotion concentration.Fitting equations of Gardeniae Fructus decotion (25-250 g·L-1) and Liuwei Dihuang Wan decotion (25-125 g·L-1) were π=0.088 0e-0.050 1 and π=0.368 4e-0.118 9.These calculated values and measured values were no significant difference. Conclusion: The model of osmosis pressure and conductivity building in this study is proved to be efficient in some degree.It provides a simple

efficient and reliable way to detect osmosis pressure on line in reverse osmosis membrane of Chinese medicine decotion.

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