Indonesia what is the main steps of rapeseed oil pressing

Optimization of oil recovery from oilseed rape by cold pressing

  • Indonesia what is the main steps of rapeseed oil pressing
  • Indonesia what is the main steps of rapeseed oil pressing
  • Indonesia what is the main steps of rapeseed oil pressing
  • Indonesia what is the main steps of rapeseed oil pressing

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  • What is rapeseed pressing?
  • Pressing is the mechanical process of extracting oil from rapeseed (Van Hoed et al., 2010). The pressing process involves four preparatory stages, followed by the actual process of pressing the seed pulp in a screw press.
  • How is rapeseed oil obtained?
  • Rapeseed oil was obtained by cold pressing in a laboratory hydraulic press (Sirio, Mikodental, 10-ton strength, 40 MPa maximum pressure) at room temperature. The procedure was done in triplicate. Upon pressing, oil samples were immediately analyzed.
  • How much rapeseed oil can be extracted by cold pressing?
  • A nozzle diameter of 10 mm, a screw frequency of 50 Hz, and a press head temperature of 80 °C ensured the maximum pressed rapeseed oil yield of 26.65% within the applied experimental domain. The crude oil extraction degree achieved by cold pressing was 60.8% of the rapeseed oil yield obtained by the Soxhlet method.
  • How to maximize rapeseed oil yield?
  • In the present study, the optimization aimed to maximize rapeseed oil yield by selecting the suitable screw pressing conditions, i.e., the best nozzle diameter, press head temperature, and screw frequency in the applied experimental domain, by employing the desirability function method.

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