hot rapeseed oil solvent extraction in Durban

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Optimization of oil recovery from oilseed rape by cold

  • hot rapeseed oil solvent extraction in Durban
  • hot rapeseed oil solvent extraction in Durban
  • hot rapeseed oil solvent extraction in Durban
  • hot rapeseed oil solvent extraction in Durban

Edible vegetable oils from oil crops: Preparation, refining

Influence of Extraction Processing on Rheological Properties

Quality differences between pre-pressed and solvent extracted rapeseed oil

Alternative solvents to hexane for the extraction

  • How is rapeseed oil extracted?
  • There are several purely mechanical extraction methods: cold pressing, pressing after cooking and double pressing (cold pressing followed by heat conditioning and a second pressing). Their performance in terms of residual oil content in the meal ranges from 9.9 to 16.3%, 9.7 to 15.7% and 8.7 to 13.5% residual oil (rapeseed), respectively .
  • How rapeseed oil is extracted by cold pressing compared to Soxhlet Method?
  • The crude oil extraction degree achieved by cold pressing was 60.8% compared to the Soxhlet method. The rapeseed oil contains predominantly oleic, linoleic, linolenic, and palmitic acids, agreeing with other reported rapeseed oils.
  • 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.
  • Does solvent type affect rapeseed extraction efficiency?
  • This study investigated the influence of solvent type, i.e.ethanol and isopropanol, at two water concentrations, on rapeseed extraction efficiency and rapeseed meal quality.

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