从矩形毛细血管中提取目标成分的物理和数学模型

IF 1 Q4 CHEMISTRY, MULTIDISCIPLINARY
J. Gumnitsky, Lubov Venger, V. Sabadash, D. Symak, Anna Hyvlud, Z. Gnativ
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引用次数: 1

摘要

研究了直线毛细管萃取固体组分的方法。确定了两个萃取区(对流区和分子扩散区)的存在。研究了系统抽真空对萃取率的影响。由于气相气泡的出现,真空过程中对流区增大。确定了对流区的传质系数。考虑萃取边界位移引起的液体中组分浓度的非线性变化,给出了分子扩散阶段的数学模型。测定了分子在毛细管中的扩散系数。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Physical and Mathematical Models of Target Component Extraction from Rectlinear Capillaries
The extraction of the solid component from the rectilinear capillary has been investigated. The presence of two extraction zones (convective and molecular diffusion) was confirmed. The effect of the system vacuumizing on the extraction rate has been studied. The convection zone during vacuumizing was found to be increased due to the appearance of the vapor phase bubbles. The mass transfer coefficients for the convective zone have been determined. A mathematical model of the molecular diffusion stage is given, taking into account the nonlinear change in the component concentration in the liquid due to the displacement of the extraction boundary. The molecular diffusion coefficients in the capillary have been determined.
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来源期刊
Chemistry & Chemical Technology
Chemistry & Chemical Technology CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
1.70
自引率
44.40%
发文量
60
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