Stage Key Purpose Sterilization Loosen fruit, deactivate enzymes Threshing Separate fruit from stalks Digestion Cook pulp for easier pressing Pressing Extract crude palm oil Clarification Remove solid impurities Refining Neutralize taste and extend shelf life. Threshing and Digestion Following sterilization, the FFBs undergo threshing, a process that separates the loose fruit from the central palm kernel stalk.
How Is Palm Oil Made on an Industrial Scale: From Fruit to Crude Oil
Extraction and Separation With the fruit pre-cooked, the actual extraction of the oil begins. This fruit grows in clusters, each containing dozens of individual drupes, and it is from these drupes that the valuable oil is extracted through a meticulous industrial process.
The slurry is processed further to extract palm kernel oil, which is chemically distinct from the crude palm oil derived from the fruit pulp. For products requiring a neutral taste and longer shelf life, this refined oil is further processed through bleaching (to remove color) and deodorization (to remove odors and flavors).
How Is Palm Oil Made on Industrial Scale
The empty fruit shells are often used as boiler fuel to power the mill, making the operation energy-efficient. These heavy clusters, which can weigh up to 50 kilograms, must be carefully cut from the trees using specialized tools like machetes or harvesters.
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