| Parameters | Distillation system | Three-effect system | ||
| I | II | III | ||
| Pressure/MPa | 0.1 | 0.15 | 0.065 | 0.026 |
| Theoretical stage | 71 | - | - | - |
| Feed stage | 9 10 17 | - | - | - |
| Top temperature/˚C | 64.5 | 100.0 | 81.1 | 63.2 |
| Bottom temperature/˚C | 99.67 | 109.1 | 88.6 | 68.8 |
| Top duty/kW | 497.76 | 315.34 | 262.71 | 317.53 |
| Bottom duty/kW | 112.55 | |||
| Total heat exchange area/m2 | 200.49 | |||
| SQ/kW | 35.55 | |||
| Compression ratio | C1:5.9, C2:3.9, C3:2.5 | |||
| Annual steam cost(105$/y) | 1.30 | |||
| Annual cooling water cost(105$/y) | 0.44 | |||
| Total compressor power consumption/kW | 192.86 | |||
| Total energy cost /t∙a−1 | 202.28 | |||
| TAC (105$/y) | 21.03 | |||