FIELD: creation of vacuum in vacuum distillation. SUBSTANCE: vacuum creating device is provided with jet pump; gas section of liquid-and-gas jet apparatus is connected to vapor-and-gas phase discharge main and its liquid section is connected to pump outlets; outlet of apparatus is connected to separator; inlet of jet pump for medium being handled is connected to separator and its outlet is connected to pump inlet; active nozzle inlet is connected to liquid fraction discharge main of rectifying tower. EFFECT: increased productivity. 3 cl, 1 dwg
