In the production of fish meal (used as an animal feed), after the oil is extracted the fish cake is dried in rotary drum dryers, finely ground and packed. In a given batch of fish cake that contains 80% water (mass basis, the remainder being dry cake), 100 kg of water is removed as vapour, and it is found that the resulting fish cake is then 40% water. Calculate the mass of the (wet) fish cake originally put into the dryer.

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Distillation

Distillation is a process/technique to separate more volatile components from less volatile components using the principle of relative volatility. In chemical engineering, distillation is one of the most common and important topics that is involved in almost every industry and process.