Separation of oilseeds oil as much as possible, can direct leaching pretreatment good oil, for high oil fuel, leaching to squeeze the cake.
Leaching process consists of the four steps in the following order:
1, leaching, the leaching apparatus.
2, steaming to oil material, such as meal, often with pulp drying and cooling combined treatment.
3, desolventizing: remove the mixed solvent in oil.
4, solvent recovery: the solvent recovery to leaching process of reuse.