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A stream of air at 37°c and 50% relative humidity flowing at a rate of 1250 kg/h is to be cooled to 15°c and dehumidified in a spray tower. the air is saturated as it emerges from the tower. liquid
A stream of air at 37°c and 50% relative humidity flowing at a rate of 1250 kg/h is to be cooled to 15°c and dehumidified in a spray tower. the air is saturated as it emerges from the tower. liquid water leaves the tower at 12°c; some is withdrawn, and the rest is cooled and recirculated. no heat is transferred between the tower and its surroundings. calculate the rate (kg/h) at which water must be withdrawn from the recirculation loop and the heat duty on the cooler (kw). (suggestion: use an overall energy balance for the latter calculation.)
