Edible oil refining technology used in edible oil refinery plant is a process to remove impurities that are contained in crude oil obtained either from expellers or solvent extraction plant.
The crude sunflower cooking oil contains some impurities, which will affect the product quality, storage time, and market value. Therefore, these impurities must be removed to purify sunflower oil. The sunflower oil purification process mainly includes five steps: degumming, deacidification, decolorization, deordorization, dewaxing.