A dryer is operated with a material containing 10% H2O (by mass)to a final dried material containing 5% H2O (by mass). The freshair is mixed with recycled air and is blown over the solid. Thefresh air contains 0.008 kg H2O/kg dry air and the recycled aircontains 0.08 kg H2O/kg dry air. For 1000 kg of wet material fed tothe dryer. Calculate (a) weight of H2O removed, (b) weight of dryair in the fresh air feed and (c) weight of dry air recycled.
