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Cotton seeds need specific preparation before extraction.Â Cotton Seeds Solvent Extraction PlantÂ have to be cleaned to remove foreign particles , de-linted to remove the lint's, decorticated for removing the hard husk and the resultant meat obtained contains about 35% oil. The meat is subjected to mechanical pressing. The first portion of the oil is removed during mechanical pressing, the resultant cake with residual oil content ranging from 8 to 12% is sent for solvent extraction. The solvent extraction of pre-pressed cotton seed cake is like normal solvent extraction of any pre-pressed cake.