| 摘要 |
Apparatus to concentrate solutions and to recover solvents, comprising a column (1) equipped with a heating body (2), a distributor (3) of the liquid to be introduced and treated in the column (1); means (4) effecting simultaneously the flow of the concentrated liquid and the introduction of a flow of gas into the column (1) and means (20) to insure the maintenance of the internal temperature of the column (1). |
