Evaluation of Mass Transfer Enhancement by Additives Using a New Semi-Empirical Method Based on Surface Tension Gradients and Marangoni Numbers

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作者
D. Glebov
F. Setterwall
M. Gustafsson
机构
[1] Royal Institute of Technology,Department of Chemical Engineering and Technology
关键词
Mass Transfer; Surface Tension; Standard Procedure; LiBr; Absorption Rate;
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摘要
The use of additives is a viable strategy for enhancing absorption rates and, thereby, increasing the capacity of absorption machines. However, there is no general consensus or standard procedure in selecting potential additives. In this paper, we propose a new semi-empirical approach for the evaluation of mass transfer additives using surface tension gradients and Marangoni numbers. An analytical evaluation of surface tension has been carried out for ranges of temperature and LiBr and additive concentrations.
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页码:438 / 443
页数:5
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