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Technology news

How to Extract Oil from Corn

2017-01-12

 Corn germ oil has many benefits to human body; it is good for heart health, and it is rich of vitamin and linoleic acid.


Here, we would like to introduce you our corn germ oil extraction plant briefly.
Corn germ oil extraction plant contains three workshops, corn germ oil pretreatment plantcorn germ oil solvent extraction plant, and corn germ oil refinery plant.
corn-oil-processing-machine
Pretreatment plant of corn germ oil extraction plant :
Corn seeds→ Cleaning→ Cooking → Prepressing → Solvent extraction plant
Pretreatment plant of corn germ oil extraction plant is very important because it affecting extraction effect directly.
Features of corn germ oil pretreatment plant we offer :
1. Create good production environment.
2. Minimize the total fat loss, increase oil yield rate and improve the quality of oil, cake and meal.
3. Comprehensively utilize impurities and offal.

corn germ oil pretreatment plant
Ⅱ 
Solvent extraction plant of the Corn germ oil extraction plant

Solvent                               steam  
  ↓                                      ↓                                                                                  
Extraction → mixed oil → evaporation→ steam-stripping → crude oil

Advantages of corn germ oil solvent extraction plant we offer :
1. High oil yield rate, low residual oil in meal;
2. Low labor intensity;
3. Good working environment;
4. Good meal quality.
5. Negative pressure evaporation helps to improve crude oil quality.

Features of corn germ oil solvent extraction plant:
1. Adopting negative pressure evaporation can ensure excellent oil quality;
2. Extraction system is highly adaptable, and can adapt to different raw material;
3. All equipments are provided with exhaust gas absorption systems with excellent absorption effect;
4. Full energy-saving design utilizes heat energy for many times and saves steam consumption;

corn germ oil solvent extraction plant
Ⅲ 
Refinery plant of corn germ oil extraction plant

Crude corn germ oil→ degumming and dephosphorization→ deacidification→ decolorization→ deodorization→  dewaxing Refined corn germ oil

Features of corn germ oil refinery plant :
1. Continuous alkali refining shortens contact time between oil and lye, reduces grease saponification, lowers refining consumption, and improves refining efficiency.
2. Decolorization adopts technology of combining premixing and steam mixing bleaching, which improves bleaching efficiency, saves consumption of bleaching clay, and it's simple and convenient to operate; and negative pressure state avoids oxygen in the air from contacting with hot oil, thereby ensuring oil product quality, inhibiting acid value to rise again, and lowering peroxide value.
3.Deodorization adopts new type continuous deodorization equipment which is applicable for deacidification and deodorization of plant oil with high acid value and low resin content, the actual production proves its most obvious advantages are strong deacidification ability, excellent hot bleaching effect, high refining rate, good oil quality and so on.
4. The process has multiple heat exchange, which makes full use of the heat energy system, effectively reduces steam consumption.

corn germ oil refinery plant
We can offer whole line of corn germ oil extraction plant with turnkey service, capacity from 10 to 6000TPD. For some special capacity, our professional engineers can help you design and install corn germ oil extraction plant according to your capacity and requirements.
If you want to know more about corn germ oil extraction plant, please feel free to contact us.