Oil Refinery Process The main equipment of oil refinery is various kinds of pot and tanks carrying on different tasks with additives. These tasks may include sedimentation/filtering, neutralization (removing free fatty acid), degumming, decolorization (bleaching), deodorization, dewax etc. Different combination of steps and the treating degree of each step result in different grade cooking oil and salad oil.
Work Flow Crude oil----Nuetralization---Decolorization---Deodorization---Degumming
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