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 does a metric ton of groundnut cost in Sudan?
According to the Sudanese Federation of Industrial Chambers the decrease in groundnut production has resulted in a food gap which consequently resulted in sudden hike in prices: One metric ton of groundnut currently costs 13,500 SDG (USD 2,265) whilst at the beginning of the year it used to cost 4,100 SDG (USD 687).
Where are groundnuts grown in Sudan?
Two varieties of groundnut are grown in Sudan; one is grown in the western part of the county accounting to 60-70% of the total production whilst the other variety grows in Gazeria and East Sudan. The ‘western’ groundnut that is typically grown in Darfur is known to be of better quality possessing higher levels of protein and oil.
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.