FIELD: oil refining industry. SUBSTANCE: pump ejector plant works on hydrocarbon-containing medium as liquid working medium which is fed to jet apparatus under pressure of 2.0 to 10.0 MPa; vapor-and-gas phase is fed to liquid-and- gas jet apparatus at temperature of from 15 to 200 C and is compressed in pump ejector plant from pressure ranging from 0.0007 to 0.02 MPa to pressure ranging from 0.03 to 0.14 MPa; in the course of evacuating fresh liquid working medium is fed to pump ejector plant and waste liquid working medium is discharged from this plant in the amount not exceeding 50% of total consumption of liquid working medium fed to liquid inlet of liquid-and-gas jet apparatus by means of pump of pump ejector plant. EFFECT: enhanced efficiency of method. 1 dwg
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