| 摘要 |
The invention relates to a method for the separation by distillation of a three- or multi-component mixture, containing at least one light volatile, at least one medium volatile and at least one heavy volatile, wherein the three- or multi-component mixture is fed to a first column, by means of which the at least one heavy volatile is separated off as a bottom fraction and a top fraction is fed to a second column, wherein, in the second column, the at least one medium volatile is separated off via a side outlet and the at least one light volatile is separated off as a top fraction, and a bottom outlet from the second column is fed to the first column again as recyclate, wherein both distillation columns have vertical partitions. The invention further relates to a corresponding apparatus. |
