1TPD Semi-refining System

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The reason of different contents of free fatty acids in oils and fats

When refining oil and grease in refining equipment, one of the links is alkali refining and deacidification. By alkali refining and deacidification, free fatty acids in oil and grease are removed. Friends with oil refining experience must know that different fats contain different free fatty acids. What is the reason for the different content of free fatty acids? Zhengzhou Zhongwin will introduce it to you below.

The content of free fatty acids is mainly affected by the quality of oil, such as whether the seed is mature, whether the seed is intact, fullness, and whether the seed is spoiled. The difference of seed quality is an important reason for the difference of free fatty acid content in oil. In addition, the operation in the process of oil production is also an important reason to affect the content of free fatty acids. For example, the technological operation of oil roasting, steaming, extrusion and leaching will affect the final content of free fatty acids.

Of course, another factor affecting the content of free fatty acids in oils is the storage of oils after preparation. In the process of oil storage, the water in the oil will react with the impurities in the oil, resulting in the increase of the content of free fatty acids, and accelerate the deterioration of the oil.

The different content of free fatty acids has an impact on our refining equipment. The main reason is that we need to measure and calculate each time and determine the amount of alkali to be added according to the amount of free fatty acids. No matter the content of free fatty acids is high or low, it can be completely removed. The content of free fatty acids has no effect on the final refining effect.

1.Complete Refining:dephosphorization, deacidification, dehydration, decolorization, deodorization

Applications : large supermarket sales, export.

2. Semi- Refining:dephosphorization, deacidification, dehydration, +（decolorization）

Applications : Local Sales

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