Tip & How-To about Miscellaneous
How is palm kernel oil extracted?
Facts of palm kernel oil
As we all know, the palm fruit can be used to make healthy red palm oil, but do you know the palm kernel can also be extracted to obtain palm kernel oil? After the palm fruit oil gained and fiber and palm nuts left as by-products, in most time, the fiber is used to make a fire, the nuts left behind, however, can be further processed to obtain palm kernel oil.
Made from the seeds of palm plant, palm kernel oil is more saturated than palm oil and comparable to coconut oil, it is semi-solid at room temperature and is mainly used for cooking since its cheap price as well as its stable properties when cooking with high temperature and can be stored for a longer time than other oils. Palm kernel oil is also able to be used for many other purposes, e.g. pomade (body cream), medicine, frying fish, making stew, making soap, etc.
How many ways to extract palm kernel oil?
There are two common methods of extracting palm kernel oil, one is full press extraction where mechanical screw oil press machines are used to extract oil out by squeezing under high pressure, this oil extracting method is mainly used by small and big capacity oil mill plants. The other method is solvent extraction with hexane, where a solvent is mixed with the material to separate the oil, this extracting method, however, is generally used by larger capacity oil processing mills. You can choose the one that suits you best according to your daily capacity.
Solvent extraction method is recommended for much bigger capacity oil mils, for small capacity oil extraction mills, the former method will be better. Solvent extraction processes can be divided into three main unit operations: kernel pre-treatment, oil extraction, and solvent recovery from the oil and meal.
Posted by Allen on
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