Fresh halibut livers containing 25.7 wt % oil are to be extracted with pure ethyl ether to remove 95% of the oil in a counter current multistage leaching process. The feed rate is 1000 kg of fresh livers per hour. The final exit overflow solution is to contain 70 wt % oil. The retention of solution by the inert solids (oil-free liver) of the liver varies as follows (C1), where Nis kg inert solid/kg solution retained andyAis kg oil/kg

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Basis 1000 kg fresh halibut liver as feed Feed C oil 257 wt 257 ... View the full answer