Review Article
Polymeric Gas-Separation Membranes for Petroleum Refining
Table 6
Comparison between current technologies for hydrogen recovery [
105].
| | Category | Cryogenic distillation | PSA | Membrane |
| | Feed composition (H2 mol%) | 30–75 | 75–90 | 30–90 | | Product purity (H2 mol%) | 90–98 | >99 | 90–98 | | Product volume (Nm3/h) | >10,000 | 1000–10,000 | <30,000 | | Reliability (%) | Poor | 95 | 100 | | Turndown (%) | 10 | 30 | 30–50 |
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