Fig. (2) HYSYS simulation chart for LH recovery process. Q100~Q109 indicate energy flux for each device. Their values are respectively 98.33 kW, 40.08 kW, 94.75 kW, 391.2 kW, 4265 kW, 2303 kW, 0.8793 kW, 2.222 kW, 13.48 kW and 723.2 kW.