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  • refinery machine oil processing plant in johannesburg
  • What is edible oil refining?
  • Edible oil refining is a set of processes or treatments necessary to turn vegetable raw oil into edible oil .
  • How is vegetable oil processed?
  • The processing of vegetable oil in commercial applications is commonly done by chemical extraction, using solvent extracts, which produces higher yields and is quicker and less expensive. The most common solvent is petroleum-derived hexane. This technique is used for most of the "newer" industrial oils such as soybean and corn oils.
  • What is cooking oil?
  • A variety of cooking oils on a store shelf. Cooking oil (also known as edible oil) is a plant or animal liquid fat used in frying, baking, and other types of cooking. Oil allows higher cooking temperatures than water, making cooking faster and more flavorful, while likewise distributing heat, reducing burning and uneven cooking.
  • How is edible oil processed?
  • In the processing of edible oils, the oil is heated under vacuum to near the smoke point or to about 232 °C (450 °F), and water is introduced at the bottom of the oil. The water immediately is converted to steam, which bubbles through the oil, carrying with it any chemicals which are water-soluble.