Mechanical pressing can extract 85% oil and the remaining oil is extracted by the solvent extraction method. According to mechanical pressing technology, you can divide the peanut oil production process into three phases. These are peanuts preparation, pressing and crude oil refining. Step 1: Cleaning Step 2: Dehulling Step 3: Cooking
What is groundnut oil manufacturing process?
Groundnut oil manufacturing process is divided into two methods, the first is mechanical pressing and the second is solvent extraction. Mechanical pressing can extract 85% oil and the remaining oil is extracted by the solvent extraction method.
How do you extract peanut oil from a cake?
The oil and cake are usually collected at the oil outlet and press cake exit /choke gap. After pressing, crude peanut oil still remain impurities in the extracted oil.
Why do we dehull peanut oil before oil pressing?
The purpose of dehulling before oil pressing is to reduce the absorption of oil by the shell, increase the yield of oil, improve the processing efficiency of the peanut oil processing machine and reduce equipment wear and tear. This oil can also improve cake quality and added value.