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Activated carbon for palm oil decolorization

Date :2021-01-05
Classify: Activated Carbon

Palm oil is the world's second largest edible vegetable oil, and it plays an extremely important role in cooking and food manufacturing. However, crude palm oil contains many colloidal impurities, pigments, and odorous substances. Some of these substances are harmful to people's health, and some seriously affect the quality of palm oil, which must be refined before consumption.
                                                                              
The typical refining process of palm oil is physical refining. The main process flow is: crude palm oil→degumming→deacidification→decolorization→deodorization→refined palm oil. The purpose of palm oil refining is to remove various impurities in crude palm oil. After deodorization, the impurities in the crude palm oil are removed and refined palm oil can be obtained.
                                                   
Among them, decolorization is the most important part of palm oil refining process, and it is also a key factor in determining palm oil refining cost and quality. At present, for the most effective method of palm oil decolorization method, activated carbon and activated clay are commonly used together to promote decolorization and purify oil. Activated carbon can effectively remove polycyclic aromatic hydrocarbons of macromolecules that cannot be adsorbed by clay (while the deodorization process, activated clay can only remove polycyclic aromatic hydrocarbons containing 4 or less low molecular weight). Activated carbon has a particularly strong adsorption effect on polycyclic aromatic hydrocarbons. Even if the activated carbon filter cake is pressed, the filtered oil does not contain polycyclic aromatic hydrocarbons.

The main palm oil producing countries in the world are Southeast Asian countries. The palm oil refining industry has a large demand for decolorizing clay and activated carbon, with an annual import volume of nearly 3.6 million tons, which has broad market prospects.
Zhulin activated carbon plays an important role in the decolorization of oil industries. Any technical questions, please contact us.

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