The meaning of oil refining
The meaning of oil refining:Generally in the process of the oil production, according to the difference of the raw materials, there are three ways to refine oil: mechanical method, chemical method and physical method .
Crude oil impurities, not only affects the safe storage and the use value of edible oil, but also affect its further processing. The purpose of cooking oil refining is not to remove all impurities in the cooking oil, but remove harmful substances, it means keeping what is valuable and rejecting what is worthless such as gaa, protein, lecithin, mucus, moisture and some other are harmful to eat, storage, and industrial production, then finally get refined oil products which meet the quality standard.
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