The Palm Oil Refining Process

DIGESTION
The fruits are heated and the exocarp is digested in the digester. Mesocarp is separated from the endocarp and kernel.
PRESSING
Mesocarp is pressed to release crude palm oil in the extraction or pressing machine. Kernel is separated from the endocarp before crude palm kernel oil (CPO) is extracted.
CLARIFICATION & PURIFICATION
Insoluble content is removed during clarification.
REFINING & FRACTIONATION
CPO is refined to form bleached and deodorised oil (RBDO). Fractionation separates the liquid part (olein) from the solid part (stearin).