An Equation Correlating Liquid Diffusion Coefficient with Concentration

Zhang Jianhou (Chien-Hou Chang) and Yuan Jitang(Department of Chemical Engineering; Tianjin University)

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An Equation Correlating Liquid Diffusion Coefficient with Concentration

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- An Equation Correlating Liquid Diffusion Coefficient with Concentration
- CIESC Journal Issue 1, (1987)
- 作者机构：
  
  天津大学化学工程系,天津大学化学工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 March 1987，
  
  Published：25 March 1987
- 稿件说明：
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Zhang Jianhou (Chien-Hou Chang) and Yuan Jitang(Department of Chemical Engineering, Tianjin University). An Equation Correlating Liquid Diffusion Coefficient with Concentration[J]. CIESC Journal, 1987, (1).
DOI：

Zhang Jianhou (Chien-Hou Chang) and Yuan Jitang(Department of Chemical Engineering, Tianjin University). An Equation Correlating Liquid Diffusion Coefficient with Concentration[J]. CIESC Journal, 1987, (1). DOI：

摘要

以绝对速度理论为基础

提出了一个新的液体扩散系数与溶液浓度的关联方程式:其中对16种物系的176个数据点进行了计算.并和文献上已提出的关联方程式进行了比较

其总平均百分误差为:计算结果表明

本文所提方程式只有较高的普遍性和较好的适用性.

Abstract

Based on absolute-rate theory

a new equation has been derived to correlate the binary liquid diffusion coefficient with concentration: where Cv = (FAAVBB/V)1/3

Cn = (). It has been applied to 16 systems with 176 experimental points. The grand average percent deviation in comparison with those obtained by using three other equations is as follows The results of calculation show that the equation proposed has higher generality and better applicability.

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