Process Description of Vegetable Oil Refining is as follows. Water Degumming : Water Degumming is first step in the Edible Oil Refinery Process. Oils contains Hydratable Phosphatide which absorb the water, that Hydratable Phosphatides are oil- insoluble which easily separated by centrifuge. Water Degummed Gums are further process to convert into Lecithin and it is