The moisture content of a solid is reduced to 8% from 30% in the unit diagrammed below. Some of the hot, wet air leaving the dryer is recycled, such that the air entering the dryer contains 1% water. a. Calculate the flow of product in kg/min b. Calculate the flow of recycled air in kg/min Drying Air Exhaust Air 10% RH Mixed Air 60% RH 20*C (Wet Bulb) 1 w/w% water 40*C Dryer Wet Solids Product Solids 30% water 8% water 100 kg/min

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