Lawan et al. (2015) , reported that groundnut oil extraction involves shelling the groundnut pods, roasting the shelled groundnut seeds, deskinning and winnowing the roasted groundnut seeds, milling the cleaned groundnut seeds and kneading the paste produced. … PDF | Groundnut oil extraction involves removing oil content of the groundnut seed.
What is groundnut oil expelling machine?
Groundnut oil expelling machine is an important device for oil recovery from groundnut seed in a roller mill, direct firing of barrel and pressing with an engine driven oil expeller. Expeller use a horizontal rotating metal screw, which feeds oil-bearing seeds into a barrel shaped outer casing with perforated walls according to Maul et al (2011).
How much oil can be extracted from groundnut?
Oil extracted from groundnut by traditional means can produce about 20-30% from the groundnut whereas the mechanical methods will yield a higher percentage. A mechanical means of extracting oil was designed, constructed with locally available materials and tested for groundnut oil extraction.
What is groundnut oil?
Groundnuts are also known as Peanut or Earthnut. The oil content in the peanuts is between 35% and 45% depending on the variety. Groundnut oil extraction involves several processes including groundnut decortication, cleaning, seed conditioning, crushing and filtration.