Polymeric Gas-Separation Membranes for Petroleum Refining

Table 4

Permeability and selectivity of different polymers for carbon dioxide removal.

Material	(Barrer)			T (°C)	P (bar)	Ref.
Cellulose acetate	2.4	22.1	20–25	35	10	[25, 50]
Polyamide (Nylon 11)	3.1	8.4	14.8	70	4–10	[87]
Polyimide (Matrimid 5218)	5.5	28	36.7	30–35	2-3	[81, 82]
Polysulfone (PSF)	5.6	22.4	22.4	35	10	[88]
Polycarbonate	6.5	22.4	24.1	35	10	[89]
Polyimide (6FDA-TBAPB)	42	25.7	21.5	30	3	[90]
Poly(2,6-dimethylphenylene oxide) (PPO)	61	14.2	14.9	35	—	[91]
Polyethylene glycol (PEG)	66	15.7	41.2	35	6	[86]
Polyether-urethane-urea (PUU)	145	7.8	29.6	25	10	[85]
Polyether-block-amide (Pebax 2533)	212	7.2	33	35	6	[86]
Dimethyl silicone rubber	325	3.4	11.6	25	1	[61]
Polyimide (6FDA-durene)	456	16	12.8	35	10	[83]
Polytetrafluoroethylene (Teflon AF 1600)	520	6.5	4.7	25	3.5	[25]
Polydimethylsiloxane (PDMS)	4000	2.6	6.6	35	1–15	[92]