Effect of surface tension gradient on froth stabilization adn tray efficiency

S.R.Syeda; A.Afacna; K.T.Chuang

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Effect of surface tension gradient on froth stabilization adn tray efficiency

机译：在泡沫表面张力梯度的影响稳定与托盘效率

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The effect of the surface tension gradient on froth stabilization and distillation tray efficiency is investigated experimentally in an Oldershaw column.Six binary mixtures with a wide range of physical properties are selected for this study.A point efficiency model is proposed,which takes into account the surface tension gradient effect that gives rise to froth stabilization in gas-liquid dispersion.The model satisfactorily predicts the trend and magnitude of point efficiency with respect to concentration for different systems,especially for the surface tension positive systems where enhanced point efficiency accompanied by a sharp decline at the high concentration region is observed.

机译：表面张力梯度的影响泡沫的稳定性和蒸馏托盘效率是一个实验调查Oldershaw列。选择范围的物理性质本研究。提出考虑了表面张力梯度效应,产生泡沫在气液分散稳定。满意地预测趋势和大小点效率的浓度对于不同的系统,尤其是表面张力增强点积极的系统伴随着急剧下降的效率高浓度区域观察到。

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《Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers》 |2004年第6期|762-769|共8页
作者
S.R.Syeda; A.Afacna; K.T.Chuang;
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作者单位

Department of Chemical and Materials Engineering,University of Alberta,Edmonton,Canada;

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原文格式 PDF
正文语种英语
中图分类国际共产主义运动;
关键词
distilling; capillary waves; tray efficiencyMarangoni effectsurface tension measurementDistillation;

机译：蒸馏;毛细波;托盘efficiencyMarangoni effectsurface紧张measurementDistillation;

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Effect of surface tension gradient on froth stabilization adn tray efficiency

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