Table 5-1-1 Liquefaction Process Evaluation Results
| Evaluation Item | Hydrogen Claude Cycle | Helium Brayton Cycle |
| - Process efficiency | 20 | 20 |
| - Plant cost ..... Equipment cost ..... Refrigerant cost ..... Maintenance cost |
20 20 10 |
20 10 5 |
| - Operation and maintenance of Refrigerant | 10 | 10 |
| - Compressor ..... Liquefaction Line Compressor ..... Recycling Line Compressor |
10 5 |
10 10 |
| - Expansion Turbine ..... Liquefaction Line Turbine ..... Recycling Line Turbine |
10 10 |
5 10 |
| - Heat Exchanger | 10 | 5 |
| - Safety | 5 | 10 |
| Evaluation Point Total | 130 | 115 |
| Selection Results | Selected | Not Selected |