The main purposes of a sunflower oil refinery plant are:

1. Purification: Remove harmful and useless impurities in squeezed crude sunflower oil or extracting crude sunflower oil and achieve higher edible oil quality standards.

2. Storage time extension: Remove excess water in oils, extend the storage time of sunflower oil.

3. Market space expansion: Improve the flavor and taste of edible sunflower oil, then it can be sold to a larger market.

4. Market value enhancement: High-quality sunflower oil can have higher prices and higher profits.

The sunflower oil refining process involves several steps:

1. Degumming: Remove phosphatides from the oil.

2. Neutralization: Remove FFA, Chlorophyll and other components with the treatment of caustic soda solution.

3. Water Washing: Remove traces of soap from the oil.

4. Vacuum Drying: Remove water in crude sunflower oil

5. Bleaching: Remove pigment in the crude sunflower oil.

6. De-waxing: Remove wax from the oil as sunflower oil contains wax.

7. Deodorisation: Remove odor and part of free fatty acid and excessive water in crude sunflower oil.

After this series of sunflower oil processing, we will finally get edible sunflower oil.

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