Enthalpy | My Assignment Tutor

Humid air enters a dehumidifier with an enthalpy of 21.6 Btu/lbm of dry air and 1100 Btu/lbm of water vapor. There is 0.02 lbm of vapor per pound of dry air at entrance and 0.009 lbm of vapor per pound of dry air at exit. The dry air at exit has an enthalpy of 13.2 Btu/lbm , and the vapor at exit has an enthalpy of 1085 Btu/lbm . Condensate with an enthalpy of 22 Btu/lbm leaves the dehumidifier. The dry air flow rate is 287 lbm /min. Determine (a) the amount of moisture removed from the air (lbm /min) and (b) the rate at which heat must be removed.

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