Fish Meal Processing. Fish is processed into fish meal and used as an additional source of protein. In processing, first the oil is extracted to produce a wet fish "cake" containing 60 (w / w) of water and residual solids, then this wet fish "cake" is dried in a rotary drum dryer which produces a dried fish "cake" product containing 35% (w / w) water. Finally, this product is finely ground and packaged. Calculate the kg / hour of wet fish "cake" needed to produce 1000 kg / hr of dried fish "cake" product. = Answer kg / hour

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Basic Chemical Calculations (Process and Variables)

A basic chemical calculation involves the application of the law of chemical proportions to various reactions and material and energy balance calculations on various chemical processes. Basic chemical calculation helps students analyze various chemical processes and develop problem-solving skills. The chemical manufacturing processes are divided into unit operations involving physical changes of material and unit processes involving the chemical transformation of materials. For instance, fluid flow, heat transfer, and mass transfer are unit operations, and oxidation, reduction, and pyrolysis are unit processes.