Review Article
Polymeric Gas-Separation Membranes for Petroleum Refining
Table 7
Hydrogen permeability and selectivity of various membrane materials.
| Material | (Barrer) | | | | T (°C) | P (bar) | Ref. |
| Polyimide (Matrimid 5218) | 2.5 | 7 | 11 | 17 | 30 | 2 | [81, 109] | Polysulfone | 14 | 56 | 40–56 | 56 | 35 | — | [1, 110] | Polyethylene | 17 | 2.2 | — | 4.1 | 30 | 2 | [111] | Polystyrene | 24 | 30 | — | 40 | 30 | 2 | [111] | Cellulose acetate | 24 | 67 | 30–40 | 73 | 25 | — | [1] | Polyetherimide | 26 | 51 | 39 | 71 | 23 | 0.3–0.8 | [112] | Polyimide (BPDA-based) | 50 | 125 | 50 | 83 | 60 | — | [1] | Dimethyl silicone rubber | 65 | 0.8 | 0.7 | 2.2 | 25 | 1 | [61] | Poly(2,6-dimethylphenylene oxide) (PPO) | 80 | 30 | — | 31 | 22 | — | [113] | Polydimethylsiloxane (PDMS) | 1500 | 1 | — | 2.5 | 35 | 1–15 | [92] |
|
|