What are the products and by-products obtained from crude palm oil refining?
The main product obtained from crude palm oil refining is refined palm oil, also called RBD palm oil, which means the crude palm oil is refined, bleached and deodorized by palm oil refinery plant. Do you know why crude palm oil need to be refined?
Red crude palm oil
With the development of living standard, people have higher standard for the palm oil quality. Although crude palm oil is edible, but there are many impurities and some harmful substances, which are bad for health. So the crude palm oil need to be refined by palm oil refinery plant. Besides, refined palm oil still contains nutrient substance which people need, but its color is much lighter and brighter, and the storage time will be much longer.
Refined palm oil
Then, in palm oil refining process, there will be some by-products which can be sold or be further process. For example, if you adopt chemical refining method in palm oil refining process, you can get soap stock in palm oil deacidification process. And the higher your crude palm oil acid value is, the more soap stock will you get. You can make soap using these soap stock by yourself, or sell them to other soap making factory.
Product and by-product of physical palm oil refinery plant
If you use physical refining method in palm oil refining process, you can get pure free fatty acid in physical deacidification process. The price of pure free fatty acid is much higher than that of soap stock, and it has many usages, such as for making soap, lubricant, flotation agent, ointment and oleate, etc.
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