Oil refining section is to remove the impurities in the crude oil and improve oil quality. In general, sunflower oil refinery plant devides to 3 types: batch oil refinery plant, semi-continuous oil refinery plant, continuous oil refinery plant. These 3 oil refinery plants are used for different capacity. But the processes in each oil refinery plant are almost the same.
1>Degumming：To remove the gum impurities, and prepare for the subsequent refining processes.
2>Deacidfying：To remove the free fatty acid in the crude oil.
3>Decoloring: To remove the pigment in the crude oil by adding active clay, so that can improve the oil quality.
4>Deodorizing：To remove the odor in the oil, so that can improve the flavor, stability, color and quality of the oil.
5>Dewaxing: To renmove the wax in the oil and improve the quality of the oil.