Humid air enters a dehumidifier with an enthalpy of 21.6 Btu/lb_m for the dry air and 1100 Btu/lbm for the water vapor. There is 0.02 lbm of vapor per pound of dry air at entrance and 0.009 lb_m of vapor per pound of dry air at exit. The dry air at exit has an enthalpy of 13.2 Btu/lb_m, and the vapor at exit has an enthalpy of 1085 Btu/lb_m. Condensate with an enthalpy of 22 Btu/lb_m leaves the dehumidifier. The dry air flow rate is 287 lb_m/min. Determine

(a) The amount of moisture removed from the air (lb_m/min).

(b) The rate at which heat must be removed.