Engineering, 26.04.2020 13:48 putaprincess16

Food is dried in a co-current dryer from an inlet moisture content of 0.3 kg moisture per kg product to an outlet moisture content of 0.15 kg moisture per kg product. Air at dry bulb temperature 30oC and RH 40% is heated to the dryer inlet temperature 110oC. The dry bulb temperature of the exhaust air from the dryer should be at least 10oC above the dew point to prevent condensation in pipework. Calculate the exhaust air temperature and RH that meet this requirement and the mass of air required (kg/ h (dry basis) per kg/ h of dry solids).

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Food is dried in a co-current dryer from an inlet moisture content of 0.3 kg moisture per kg product...