| Cryogenic separation | Organic membrane separation | PSA | |
|---|---|---|---|
| Scale (Standard conditions) (m3·h-1) | 5000 ~ 100 000 | 100 ~ 64 900 | 10 000 ~ 500 000 |
| Operating pressure(MPa) | 1.0 ~ 8.0 | 10.0 ~ 15.0 | 0.5 ~ 6.0 |
| Feed pressure(MPa) | 1.0 | 0.2 ~ 0.5 | 1.0 |
| Minimum hydrogen content of raw gas(%) | 30 | 30 | 50 |
| Preprocessing requirement | Removing H2O、CO2、H2S | Removing H2S | No requirement |
| Purified hydrogen volume fraction(%) | 90 ~ 95 | 80 ~ 99 | > 99.99 |
| Hydrogen recovery(%) | 98 | 95 | 85 |
| Relative investment expense(thousand) | 20 ~ 30 | 10 | 10 ~ 30 |
| Elasticity of operation(%) | 30 ~ 50 | 30 ~ 100 | 30 ~ 100 |
| Expansion difficulties | Very difficult | Very simple | Simple |
