Udeh et al., (2010) designed, fabricated and evaluated a manually operated hydraulic oil extractor for groundnut. It is made up of a piston, cylinder, collector, hydraulic jack and frame.
What is groundnut oil extraction?
Groundnut oil extraction involves removing oil content of the groundnut seed. Study conducted in Northern Nigeria revealed that 75% of the rural women engaged in groundnut oil extraction used the traditional method despite the drudgery and inefficiency involved.
How to remove oil from groundnut seed?
To remove the oil content from the groundnut seed, the process known as oil extraction, expelling or expressing is carried out.
How does a groundnut machine work?
The groundnut seeds were pre-heated by roasting before extraction of the oil in it. The machine gave a better performance at the speed of 60 revolutions per minute and improvement in the design can be achieved by incorporation a heating chamber along the expeller barrel.