How do you purify palm oil and palm kernel oil? What machines are needed?

Date:2021-11-09/ Tech/ Chat online/ Technical support

Crude palm oil and palm kernel oil contain impurities such as peptizing impurities, free fatty acids, pigments,peculiar smell substances, etc.,which will affect the stability, taste and flavor of palm oil and palm kernel oil. If you want to get high standard and impurity-free oil, you need to purify them. The palm oil and palm kernel oil purification process is as follows: crude palm oil and palm kernel oil—degumming—deacidification— decolorization—deodorization—purified palm and palm kernel oil.

palm oil and palm kernel oil purification processPalm oil and palm kernel oil purification process

First step: Degumming

The crude palm oil and palm kernel oil obtained through direct pressing way or solvent extraction method contains peptic impurities, such as phospholipids, gum, protein, which can be removed by its water absorption. Hot water can be added to the crude palm and palm kernel oil, the peptic impurities in it will absorb water and agglomerate after stirring, and the peptic impurities will be discharged after standing for precipitation.

Second step:Deacidification

There are free fatty acids in the crude palm oil and palm kernel oil, which has influence on the oil yield and quality of oil. Free fatty acids can be removed by adding lye to the crude palm and palm kernel oil to neutralize the free fatty acids.

Third step: Decolorization

There are pigments in unrefined crude palm oil and palm kernel oil. In order to change the color of the crude oil, it is necessary to decolorize and remove the pigment in the oil. Our commonly used decolorization method is adding white clay to the crude palm and palm kernel oil to absorb the pigment.

Fourth step: Deodorization

Crude palm oil and palm kernel oil may have some peculiar odors, which will affect the consumption, storage and market value of oil. High-temperature water vapor can be pumped into the oil, and the difference in volatility between the peculiar smell and the oil can be used to remove the peculiar smell.

Above all is the palm oil and palm kernel oil purification process. And the machine needed to purify them is palm oil and palm kernel oil purifying machine. There are mainly three types of purifying machines and they are suitable for different processing capacities. Click the link to know more about these three types of purifying machines: Different types of palm oil refinery plant.

Henan Glory Oils & Fats Engineering Co., Ltd can customize the most suitable palm oil and palm kernel purifying machine according to your individual purifying needs to save your investment cost. Welcome all the new and old customers to have a visit tour to our factory for a close observation of our palm oil and palm kernel oil purifying machine prototypes!

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