Semi Automatic Shea Nut Oil Expellers in Rwanda

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).
What is groundnut oil expeller?
Groundnut oil expeller has been developed and constructed by some researchers in different sizes, shapes and materials, mostly for industrial uses. Such expellers are expensive, involve high level technology which cannot be afforded by small scale and low income oil millers.
What are kohlus and groundnut oil expellers used for?
According to Miwa (1990), kohlus and small expellers were used solely at village level technologies. Groundnut oil expeller has been developed and constructed by some researchers in different sizes, shapes and materials, mostly for industrial uses.
How much groundnut can an expeller process?
Expeller are power driven, and are able to process 8 to 300kg of groundnut per hour or even more depending upon the type of expeller used (Khangar and Jaju, 2012). Bigger units which process greater quantities of oil are available for use in larger mills.