A mechanical means of extracting oil was designed, constructed with locally available materials and tested for groundnut oil extraction. The machine consists of the frame, hopper, gear reduction unit and the power shaft. It was powered by a 1 hp three-phase electric motor.
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.
How much does a Miller make in Zambia?
She pays 0.50 Zambia Kwacha (about $0.02 US) per kilogram to a miller who owns an expeller. The miller charges 1.50 Kwacha per kg if the farmer receives sunflower cake as well or one Kwacha without the cake. On average, the miller makes about 10,000 Kwacha ($440 USD) per month by renting the expeller.
How much is a bag of sunflower worth in Zambia?
Most farmers prefer to sell their sunflower as seeds and grain rather than process it because they receive sales income immediately. But now that Mrs. Kamuwikeni is adding value to her sunflower harvest, she is making twice the money she used to make. A bag of sunflower weighing 25 kilograms is sold at 150 Zambia Kwacha (about $6.60 US).