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  • What is expeller pressing used for?
  • In the edible oil industry, expeller pressing is used to produce cooking oils, salad oils, margarine, shortening, etc. from various seeds and nuts, such as soybean, canola, sunflower, cottonseed, peanut, castor and flax. In the biodiesel industry, expeller pressing is used to produce biodiesel from vegetable oils or animal fats.
  • How oil expeller Machine Works?
  • The working principle of the oil expeller machine is to forcefully push the oilseeds and nuts through the barrel by the action of the revolving worm. Due to increased pressure of worms, the oil squeezed out from the seeds and turns out through holes. After pressing, the crude oil and oil cake are obtained.
  • What are the disadvantages of expeller pressing?
  • However, expeller pressing also has some disadvantages or limitations that need to be considered. Some of these disadvantages are: It is a high-temperature method that can cause some thermal degradation or oxidation of the oils and affect their flavor, color, nutrients and stability.
  • Who invented oil extractor?
  • Contact Us In 1900, Anderson International’s founder, Valerius D. Anderson, invented a new way to extract oil by developing the first continuous mechanical extractor. He patented this screw press under the trademark name, Expeller?, and Anderson International Corp. began selling them to oilseed processors around the world.