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Previous studies on soya bean oil extraction using the screw press are very limited. Those studies investigated the effect of preheating seed moisture content, heating temperature, heating duration, screw press speed, and extraction pressure on soya bean oil yield (Akinoso et al., 2009).
What is the optimal screw press speed for soya bean oil extraction?
The following conclusions could be drawn from the results of the study: The screw choke clearance should be equal to or smaller than 1 mm to achieve high soya bean oil extraction efficiency. The optimal screw press speed was found to be 110 rpm for the screw press.
What are the screw press variables for high soya bean oil yield?
Analysis of results showed that the values of the screw press variables for high soya bean oil yield are screw speed of 110 rpm and choke clearance of 1 mm. The result of this study would be useful for rational design and development of soya bean oil screw press. Keywords: Choke clearance, screw press, screw speed.
Does screw choke gap affect the extraction pressure of soya bean oil?
However, the effect of screw choke gap which mainly controls the extraction pressure has not been investigated. The aim of this work was to study the effects of screw press factors on extraction of soya bean oil using a locally fabricated screw press.
