Parameters

Distillation system

Evaporation system

Pressure/MPa

0.1

0.11

Theoretical stage

-

Feed stage

13

-

Reflux ratio

11.75

-

Column diameter/m

0.85

-

Condenser duty/kW

1072.12

1087.79

Reboiler duty/kW

136.88

Total heat exchange area/m2

112.81

135.84

Annual steam cost (105$/y)

4.99

39.24

Annual cooling water cost (105$/y)

5.94

Total energy cost/t∙a−1

1083.11

TAC (105$/y)

50.76