Polymeric Gas-Separation Membranes for Petroleum Refining

Table 2

Permeability and selectivity of different polymeric membranes for removal of hydrogen sulfide from natural gas.

Material	(Barrer)		T (°C)	P (bar)	Ref.
Polyamide (Torlon)	0.2	14.8	35	4.5	[58]
Cellulose acetate	2.1	19.4	35	10	[50]
Polyamide (6F-PAI-2)	2.7	12	35	4.4	[59]
Polyamide (6F-PAI-3)	4.6	11	35	4.4	[59]
Polyamide (6F-PAI-1)	6.4	8.5	35	4.4	[59]
Polyether-block-amide (Pebax 6333)	37.8	20	35	10	[50]
Polyether-urethane-urea (PUU4)	199	74	35	10	[50]
Polyether-urethane-urea (PUU1)	239	21	35	10	[50]
Polyether-block-amide (Pebax 1657)	248	50.6	35	10	[50]
Polyether-urethane-urea (PUU3)	271	58	35	10	[50]
Polyvinylthrimethilsilane (PVTMS)	350	1.59	35		[60]
Polyether-urethane-urea (PUU2)	613	19	35	10	[50]
Polyether-block-amide (Pebax 3533)	888	21	35	10	[50]
Dimethyl silicone rubber	1000	10.5	25	1	[61]
Polydimethylsiloxane (PDMS)	2750	0.98	25	3	[62]