2016年7月10日星期日

corn oil process, extraction

Corn oil processing, the materials are corn germ, is the embryo of a corn plant, distinct from the nutrients in the endosperm, the oil content of the germ is about 85% of the seed.
Corn oil process, corn kernels are dehulled and crushed. Oil is expelled from the germ use pressing, can yield 50% of the germ oil. The remaining oil using the solvent extraction. The corn germ oil in the solvent is heated to vaporize the volatile solvent, the solvent will be recycled.
Then extracted oil as crude corn oil, the meal is processed for animal feed.
Corn oil refining process contains corn crude oil, degumming, alkali refining, washing, drying, alkali refining oil, declorizing, filter, decolorizing oil, crystallization, maturing, dewaxing oil, deodor, cooling.

The main equipment of corn oil refining are disc oil separator, decolorizing tower, filter, crystallization tank, maturing tank, deodor tower. In the deodor section, the temperature in the tower is need to controlled about 230 centigrade. The finished oil after deodor section must be cooled, avoid corn oil color reversion. In order to improve corn oil yield, low product cost, the alkali oil acid value must be control a certain range. The filter aid adopt diatomite can improve dewax effect.
email: molly@oilmachineworld.com
web: www.oilmachineworld.com

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