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Rice bran oil manufacturing process


Rice bran oil manufacturing process
1. Separating screen
 To separate small rice rags in order to reduce starch inside rice bran and increase oil yield.
2. Conditioner 
 To change rice bran physical properties,easier for granulation or expansion.
3. Expanding or granulating machine
 To make rice bran into granule and increase penetrability good for oil extraction.
4. Oil extraction 
Can use rotocel extractor, loop type extractor for oil extraction according to production capacity.
5. Meal desolventizer 
After extractor , using desolventizer to dry meal.
6.Muti-effective Evaporators 
After solvent extractor ,the mixed oil need multi-effective evaporator to evaporate solvent in order to separate solvent and rice bran oil.
7.Solvent recovery
 Evaporated solvent will be transformed into liquid solvent and be recovered and reused again.

8.Crude rice bran oil refining
 Hydrated degumming 
  For physical refining , degumming should be complete. Acid value of rice bran is very high , so it’s better adopt physical refining. Degumming is basic    step for good physical refining ,thus gum should be removed completely.
 Vacuum drying     
 To dry hydrated oil
To dewax before physical deacidification which helps deacidification.
 To remove colorant from oil.
Deacidification and deodorization
 Using physical deacidification tower to remove free fatty acid and odor.
Rice bran oil contains wax and fat which need to be removed.
Rice bran oil manufacturing process is one of most difficult process among vegetable oil processing because of high acid value of rice bran , you can contact us directly for more details We will design rice bran oil processing plant as your requirement, choose for you best combination of rice bran oil production line.