FIELD: process engineering.
SUBSTANCE: invention relates to separation of fluids by evaporation. Proposed method comprises evaporation of solvent from solution film formed on rotary drum inner surface. Solution is fed inside drum to allow displacement of solution toward unloading side. Solvent vapors are collected and condensed. Heat power consumed for solvent evaporation, drum rpm and level of solution inside the drum are selected provided concentrated product is discharged in the form of fluid. Flow rate of solution fed into drum is to be calculated by mathematical tools.
EFFECT: sufficient quality of concentrated product and solvent condensed vapors provided in continuous operation without drop in efficiency in wide range of concentrations of solutions.
11 cl, 1 dwg
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