The oil refinery process first is degumming. This progress adopts hydration by adding into hot water to remove the agglomerated and deposited hydrosol and phosphatide because of their water affinity. The separated gum (after being dried) can be made into lecithin or added into cakes or meals in the extraction workshop. Hydration degumming process can improve oil edibility, storage and do well to downstream neutralization section. This is oil refinery's first step.
The second step is neutralizing. Oil containing fatty acid is mixed mechanically with a slight excess of alkali to react with fatty acids present to form soaps. The mixture is centrifuged to separate oil from soap stock. After washing with water, the water is separated from the oil in a second centrifuge. And then bleaching, degummed and neutralized oil are pumped into this system and mixed with by the use of bleaching earth. Our company have high quality oil refinery for sale.
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