Disintegration of cottonseed meats is an important unit operation in the cottonseed fractionation process. The results of tests utilizing a high-speed, "dissolvertype" impeller for disintegration by liquid shear are presented including curves to show the effect of moisture, hulls, solvents, peripheral speed, etc.Over 90% of through-80-mesh material can be obtained. Moisture content over 5% appreciably reduced the efficiency and increased power consumption and the viscosity of the slurry. Whole flakes resulted in a finer end product than flakes pre-pulverized ill the dry state. It was found that tlie presence of hulls slightly increased disintegration, power consumption, and viscosity; that higher speeds (up to 6,000 FPM peripheral speed) were more efficient; and that the effect of solvents was small. (17) showed that propeller-type mixers were inefficient as disintegrators of cottonseed ill solvent slurries although suitable for 345 I 1945 SEED I PRIME LOT I L.~:,s i ! FL--'I 9 : t: '4_ ._Z'.__ FIo. 2. P r o c e s s i n g of c o t t o n s e e d flaked m e a t s p r i o r to d i s i n t e g r a t i o n . Pre-pilot plant investigations

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