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Records of the oil content in the generated meal of an edible oil company showed excess oil leftover in the meal (rejects) compared to the benchmark value. This was attributed to the old design of the oil extraction rollers, which didn’t deploy differential speed between the two rollers, relying only on pressure to extract oil from seeds.
Differntiting the speed of the two rollers resulted in introducing shear force, in addition to the pressure force, which increased the yield of oil from seeds.