本文介绍了溶剂萃取法分离糠醛的优越性，比较了31种溶剂对糠醛水溶液的分配系数。
In this paper, the superiority of solvent extraction process for furfural separation is emphasized and distribution coefficients of 31 solvents are compared.
结果本法在萃取川芎挥发油得到的传质系数随着温度的升高略为增大，随着流量的增大而增大，随着压力的增大而减少。
RESULTS: Coefficient of mass transfer was slowly increased as the extraction temperature elevated, and was in accord with flow and in contrast with pressure.
通过考察体积传质系数，确定了纤维液膜萃取分离器的最佳填充密度和最佳流量比。
By analyzing the volume mass-transfer coefficient, the optimal operating flow-ratio and packed density were obtained.
萃取分配系数D测定结果表明，醋酸乙酯是纯化绿原酸的适用溶剂。
The distribution coefficient D indicated: Ethyl acetate was the most suitable extractant for CGA s purification.
胺类对乙酸的萃取为化学萃取，反应平衡常数与萃取平衡分配系数有一定联系。
The extraction of acetic acid by amines is a kind of chemical extraction. There are some connections between reaction equilibrium constant and distribution equilibrium constant.
对可能发生热失控现象的物质进行提取时，萃取温度应选择在临界温度附近，此时扩散系数较大。
In the extraction of components with the phenomena of thermal runaway, choosing the critical temperature can lead to a greater diffusion coefficient.
实验研究探讨了混合方式(料液与萃取剂混合和反萃剂与萃取剂混合)和体系分配系数对传质性能的影响。
The influences of the mixing mode and the distribution coefficient of the system on the mass transfer of HFRLM were investigated.
通过正交试验分析获得较优的萃取条件，并对锌元素作添加回收试验，得回收率为96.24%，变异系数为0.64%；
Betterextract condition is obtained with orthogonal test, and the zinc element is put to the ad-dition and recovery test. The method give recoveries of 96.24%, variation coefficient of0.64%.
研究了采用2-乙基己基膦酸2-乙基己基酯萃取剂对钴、镍的萃取性能和分离系数的影响；
The effect of 2 ethylhexyl phosphonic acid mono 2 ethylhexyl ester (HEHEHP) on the extraction and separation of cobalt and nickel was investigated.
萃取剂体系中萃取剂B的适宜体积分数为60％—80％，且在该浓度范围内有协萃效应，最大协萃系数1.28。
Optimum volume fraction of extractant B in binary-extractant is 60%-80%, and the highest cooperate coefficient is 1.28, which exists in this range.
提出了同时考虑络合萃取作用和物理萃取作用的分配系数的表达式。
A expression of equilibrium distribution ratio that includes chemical complexation and physical dissolution has been proposed simultaneously.
提出了同时考虑络合萃取作用和物理萃取作用的平衡分配系数的表达式。
An expression of equilibrium distribution ratio that includes chemical complexation and physical dissolution simultaneously has been proposed.
建立了描述连续逆流超临界流体喷淋萃取塔的流体力学关联式，根据双膜理论，建立了用于计算液相总体积传质系数的质量传递模型。
The study on hydrodynamics and mass transfer performance is carried out in a 25 mm diameter continuous countercurrent supercritical fluid extraction spray column.
建立了描述连续逆流超临界流体喷淋萃取塔的流体力学关联式，根据双膜理论，建立了用于计算液相总体积传质系数的质量传递模型。
The study on hydrodynamics and mass transfer performance is carried out in a 25 mm diameter continuous countercurrent supercritical fluid extraction spray column.
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