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What is the purpose of grease decolorization?

What is the purpose of grease decolorization?

Apr 28, 2017

The purpose of decolorization is to improve the color of the oil after the decolorization, but not theoretically to remove all the pigment in oil, sometimes not even mainly to eliminate the pigment, but the removal of other impurities outside the pigment, for the next step deodorization process to provide qualified raw oil