FIELD: sterilization of liquid products, preferably wine and juices, in wine and canning industries. SUBSTANCE: apparatus has vessel for liquid to be sterilized and vessel for sterilized liquid. Ultrasound source with rod-like longitudinal oscillation concentrator is secured in sterilized liquid vessel. Oscillation concentrator has axial channel communicated with vessel for liquid to be sterilized through union and pipeline. Union is aligned with concentrator zero shift line. EFFECT: increased efficiency and enhanced reliability in operation. 1 dwg
