1.Groundnut oil press process:

Groundnut-Cleaning sieve-Destoner-Magnetic separator- shelling&kernel separator-flaking-cooking-pressing-Pressed oil&Cake

2.Groundnut oil solvent extraction process

Pressed groundnut cake solvent extraction: Solvent extraction(extractor)-Desolventization（DTDC）-Miscella oil evaporation（Evaporator&stripper）-Solvent condensation recovery(Condenser)

3.Groundnut oil refining process

Degumming--Hydration degumming,remove the phospholipid in the oil;
Deacidification-Use chemical or physical methods to remove free fatty acid,keep the oil quality stable;
Decolorization--Add white clay, remove the deep pigment in the oil,make the oil bright;
Deodorization-Heat up the oil with high temperature and vacuum, remove the bad odor from the oil, keep the oil flavor pure and good smell;