Research Article
A New Cryogenic Air Separation Process with Flash Separator
Table 4
Specification of energy consumption units.
| | Block | Conventional process | New process | | Pressure (atm) |
Work (kW) | Pressure (atm) |
Work (kW) | | In | Out | In | Out |
| | C1 | 1 | 6 | 4390 | — | — | — | | C2 | 6 | 7.5 | 79 | — | — | — | | C3 | — | — | — | 1 | 4 | 3296 | | C4 | — | — | — | 4 | 6 | 748 | | Turbine/flash | 7.4 | 1.3 | −81 | 3.9 | 1.3 | — |
| | Net energy consumption | | | 4388 kW | | | 4044 kW |
| | Specific energy consumption | | | 0.55 kWh/Nm3 O2 | | | 0.44 kWh/Nm3 O2 |
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