Vegetable Oil Refinery

The crude vegetable oil from two ways of extracting, oil pressing and/or solvent extraction, will be pumped into oil refinery unit to produce refined cooking oil at various grades. The main equipment of oil refinery is various kinds of tanks, centrifuges, processing columnscarrying 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.