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Feed air at 9 0 C and 1 . 0 0 atm ( absolute ) contains 0 . 5 mole % water. A continuous stream
Feed air at and atm absolute contains mole water. A continuous stream of this
air at enters a compressorcondenser integrated unit, in which the temperature is
lowered, and the pressure is raised to atm. The air leaving the integrated unit is then heated
isobarically to
a Assuming the condensing temperature is equal to the coolant temperature, predict either
coolingtower water at or refrigerant with a vapour pressure of
at is a more suitable coolant for the condenser and determine the
percentage of water that is condensed from the feed air of the chosen coolant.
b Based on the chosen coolant in a estimate the relative humidity of the air leaving the
heater and the ratio of exit air volume at feed air volume at
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