1. A process for extracting oil from previously macerated oil bearing material, comprising the steps of: a) subjecting the pre-macerated oil-containing material is at least one stage of sonication, which is used at least one plate-shaped transducer emitting ultrasound at a frequency of at least 400 kHz so to create a standing wave macerated material b) separation of the components to obtain a first phase and the oil phase remaining material c) removing a first oil Jana phase d) if required, subjecting the residual material phase at least the second-stage sonication and removal of the second oil fazy.2. A method according to Claim. 1, in which at least two plate-converter is used during step ultrazvukom.3 processing. A method according to claim. 2, wherein at least two plate radiate ultrasound transducer with different chastotami.4. A method according to claim. 3, which employs two frequencies of ultrasound treatment, one of which is up to 1 MHz, and the other is more than 1 MGts.5. A method according to any one of claims. 1-4, wherein during step (a) pre-macerated material is heated to a temperature between 0 ° C and 90 ° C.6. The method of claim. 5, in which during step (a) pre-macerated material is heated to a temperature between 40 and 85 ° C.7. The method of claim. 5, in which during step (a) pre-macerated material is heated to a temperature between 55 and 65 ° C.8. A method according to any one of claims. 1-4, 6-7, further comprising the step of subjecting the residual material phase to centrifugal separation to achieve additional output1. Способ экстрагирования масла из предварительно мацерированного маслосодержащего материала, включающий стадии:a) подвергания предварительно мацерированного маслосодержащего материала по меньшей мере одной стадии обработки ультразвуком, на которой используют по меньшей мере один пластинчатый преобразователь, излучающий ультразвук с частотой по меньшей мере 400 кГц, так чтобы создать в мацерированном материале стоячую волнуb) ра
