Q6/ Breakfast cereal is being dried in a fluidized bed dryer in which the cereal moves roughly countercurrent to the air flow. The figure below show the process with the data placed on the respective stream flow. Determine the required inlet dry air flowrate in m/hr if the cereal must have a water content of no more than 14.0 percent. (DC = dry cereal). %3D air aulkpul( A. Kg) TOR =38C 500kg/h Cereal feed 22c mass fraction TWB=28 DC 0.6 H2o 04 1-00 Drjor Cereul output PCKg) air input (Ai Kg) mass fraction TOB=82C JwB = 33°C DC 0-86 H20 o-14 1-00

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