groundnut oil processing
Second, the well prepared seeds are conveyed to the screw pressing machine, which is the most popular method of groundnut oil production. The machine’s screw warm pressed the groundnut seeds as it moves to advance where the space is smaller and smaller. Due to strong frication and high pressure, groundnut oil is pressed out. Besides, as the temperature in the machine’s pressing chamber rises, the output rate of groundnut oil also increases. Finally, the fresh groundnut oil seeps out through the small openings in the bottom of the pressing chamber.
Third, the fresh rude groundnut oil obtained from the pressing machine is clarified in a setting tank and then pumped through the filter press. The filtered crude groundnut oil will be pumped to the refinery for three stages of refining: neutralization, bleaching and deodorization.
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