the screwmechanical extraction of oil in tunisia

                                               
                                               
                                               
                                               
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  • Can screw press oil expeller be used in small scale oil extraction?
  • The main aims of this paper design and stress analysis of screw press oil expeller. There are several processes to extract oil from these e.g. chemical, centrifuge and mechanical. A mechanical oil expeller press was designed and analyzed with simulation software (ANSYS) in this paper. This expeller can be used in small scale oil extraction.
  • What is the oil extraction ratio of oil palm screw press?
  • … Plate 1: Side View of the Oil Palm Screw Press (Adetola et al., 2012) Results of performance test showed that the highest oil extraction ratio (OER) of 17.90% and oil extraction efficiency (OEE) of 79.56% were obtained at the sterilization time of 60 min, digestion time of 10 min and screw speed of 10 rpm (Adetola et al., 2012).
  • Can a screw-type press be used to extract oil?
  • The proposed design of the screw-type press can be implemented in practice for performing pressing operations while extracting oil from different oil crops and oil-containing raw materials. The results of testing the screw stress-strain state can be used for predicting the screw reliability and durability at the stage of its designing.
  • How does an oil extraction press work?
  • A screw rotates inside the barrel of the press which creates pressure for the extraction of oil. Raw material is feeded through hopper & compressed inside the barrel for oil extraction and the cake is discharged through a choke mechanism outside. The pressure on screw was determined & applied in the created meshed design in Ansys.