Abstract
This paper deals with a new method of dynamic countercurrent cyclic extraction. Each cycle consists of two lightand heavy-phase motion stages. The time of each phase is variable and must be specified for each process cycle. A mixture of components to be separated is injected with one of the phases during a certain time period, which does not exceed the time of this phase motion stage in the initial process cycle. A mathematical model of dynamic countercurrent cyclic extraction is developed. Some analytical relationships for calculating the separation of liquid mixtures by this method are derived. The proposed dynamic regime of extraction has been established to considerably (by several times) increase the operational efficiency of extraction units. A comparison of the experiment and theory demonstrates satisfactory agreement between them.
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Original Russian Text © A.E. Kostanyan, A.A. Erastov, O.N. Shishilov, 2014, published in Khimicheskaya Tekhnologiya, 2014, Vol. 15, No. 4, pp. 237–243.
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Kostanyan, A.E., Erastov, A.A. & Shishilov, O.N. Separation of liquid mixtures by dynamic countercurrent cyclic extraction. Theor Found Chem Eng 49, 560–566 (2015). https://doi.org/10.1134/S0040579515040119
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DOI: https://doi.org/10.1134/S0040579515040119