A thermodynamic interpretation of optimum conditions of the separation of mixture components by distillation of dilute solutions |
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Authors: | V P Chizhkov N V Sterkhov |
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Institution: | (1) Zelinskii Institute of Organic Chemistry, Russian Academy of Sciences, Leninskii pr. 47, Moscow, 119991, Russia |
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Abstract: | A condition for the maximum thermodynamic efficiency of distillation of dilute solutions in a multistep cascade was obtained from the condition of a maximum change in the entropy of a mixture. These conditions were shown to correspond to a maximum degree of separation of mixture components. A thermodynamic equation was derived to describe the relation between a decrease in the Gibbs energy and the mixture value increment during distillation of a dilute ideal solution. |
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