It is introduced the concept of relative value of recovery ratio of the component from solution. It is proposed the method for calculating the number of theoretical and actual trays of extraction process. On the basis of the proposed method calculated the extraction process of phenol from waste water, these calculated data compared with the results of other authors.
экстракция, степень извлечения, теоретическая ступень, действительная ступень, extraction, recovery ratio, theoretical tray, actual tray
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