Table 2 Separation performance of different polymeric membranes for CO 2 /CH 4
Membrane material
Conditions
Permeability
(barrer)
a
Selectivity (a)
P CO2 =P CH4
References
Pressure (bar)
Temperature (°C)
P CO2
P CH4
Polydimethyl siloxane
4
23
3800
1187.5
3.2
José et al. (2004)
Polycarbonate
5
75
10
0.77
13
Costello and Koros (1992)
Polyamide
2
35
11
0.303
36.3
Ghosali and Freeman (1995)
Polycarbonate
20
30
2
0.074
27.2
b
Sridhar et al. (2007a)
Matrimid
10
25
6.72
0.22
30.5
b
Jiang et al. (2006)
Matrimid
34.5
35
10
0.28
35.7
Vu et al. (2003b)
Matrimid
2.7
35
11
0.26
42.14
b
Ordoñez et al. (2010)
6FDA-Durene
2
25
1468
64.96
22.6
Nafisi and Hagg (2014)
6FDA-Durene
10
35
541
41.27
13.11
Askari and Chung (2013)
6FDA-Durene
10
35
456
28.32
16.1
Liu et al. (2002)
6FDA-Durene/DABA
10
35
519
27.30
19.01
Askari and Chung (2013)
6FDA-DAM
2
25
390
16.25
24
b
Bae et al. (2010)
6FDA-1,5-NDA
10
35
22.6
0.47
48.1
Chan et al. (2003)
Natural rubber
10
25
134
28.5
4.7
Sridhar et al. (2007b)
Poly(4-methyl-1-pentene)
10
25
83
13.2
6.3
Sridhar et al. (2007b)
Polysulfone
10
30
5.60
0.25
22.4
Sridhar et al. (2007a)
Polyetherimide
10
25
0.63
0.0175
36
Sridhar et al. (2007b)
a 1 barrer = 846 mL (gas) mm per cm
2 per day and per bar or 10
−10 cm
3 (STP) cm cm
−2 s
−1 cm Hg
−1
b
Mixed gas permeation test
Table 3 Performance of different inorganic membranes for CO 2 /CH 4 separation
Membrane material
Conditions
Permeability
(GPU)
a
Selectivity (a)
P CO2 =P CH4
References
Pressure (bar)
Temperature (°C)
P CO2
P CH4
CMS
1
25
7
0.044
160
b
Centeno and Fuertes (1999)
SAPO-34 zeolite
2.2
22
1045.9
8.72
120
b
Li et al. (2006a, b)
Silicalite
1
30
589.8
137.2
4.3
b
Zhu et al. (2006)
H-ZSM-5
0.3
27
5667.8
1030
5.5
Poshusta et al. (1999)
Silicalite
1
30
5755.2
2398
2.4
b
van den Broeke et al. (1999)
Silica
1.4
25
2570
210.7
12.2
Raman and Brinker (1995)
DDR zeolite
2
100
99.6
0.996
100
b
Tomita et al. (2004)
Zeolite-T
1
35
137.4
0.344
400
Cui et al. (2004)
Zeolite-T
5
30
30
0.424
70.8
Mirfendereski et al. (2008)
Carbon
2
30
30
0.288
104
c
He et al. (2011)
CMS 550-2
3.4
35
1250
19.84
63
c
Vu et al. (2003a)
CMS 800-2
3.4
35
43.5
0.218
200
c
Vu et al. (2003b)
a 1 GPU = 10
−6 cm
3 (STP) cm
−2 s
−1 cm Hg
−1
b
Mixed gas permeation test
c Unit in barrer
64
I. U. Khan et al.
Membrane material
Conditions
Permeability
(barrer)
a
Selectivity (a)
P CO2 =P CH4
References
Pressure (bar)
Temperature (°C)
P CO2
P CH4
Polydimethyl siloxane
4
23
3800
1187.5
3.2
José et al. (2004)
Polycarbonate
5
75
10
0.77
13
Costello and Koros (1992)
Polyamide
2
35
11
0.303
36.3
Ghosali and Freeman (1995)
Polycarbonate
20
30
2
0.074
27.2
b
Sridhar et al. (2007a)
Matrimid
10
25
6.72
0.22
30.5
b
Jiang et al. (2006)
Matrimid
34.5
35
10
0.28
35.7
Vu et al. (2003b)
Matrimid
2.7
35
11
0.26
42.14
b
Ordoñez et al. (2010)
6FDA-Durene
2
25
1468
64.96
22.6
Nafisi and Hagg (2014)
6FDA-Durene
10
35
541
41.27
13.11
Askari and Chung (2013)
6FDA-Durene
10
35
456
28.32
16.1
Liu et al. (2002)
6FDA-Durene/DABA
10
35
519
27.30
19.01
Askari and Chung (2013)
6FDA-DAM
2
25
390
16.25
24
b
Bae et al. (2010)
6FDA-1,5-NDA
10
35
22.6
0.47
48.1
Chan et al. (2003)
Natural rubber
10
25
134
28.5
4.7
Sridhar et al. (2007b)
Poly(4-methyl-1-pentene)
10
25
83
13.2
6.3
Sridhar et al. (2007b)
Polysulfone
10
30
5.60
0.25
22.4
Sridhar et al. (2007a)
Polyetherimide
10
25
0.63
0.0175
36
Sridhar et al. (2007b)
a 1 barrer = 846 mL (gas) mm per cm
2 per day and per bar or 10
−10 cm
3 (STP) cm cm
−2 s
−1 cm Hg
−1
b
Mixed gas permeation test
Table 3 Performance of different inorganic membranes for CO 2 /CH 4 separation
Membrane material
Conditions
Permeability
(GPU)
a
Selectivity (a)
P CO2 =P CH4
References
Pressure (bar)
Temperature (°C)
P CO2
P CH4
CMS
1
25
7
0.044
160
b
Centeno and Fuertes (1999)
SAPO-34 zeolite
2.2
22
1045.9
8.72
120
b
Li et al. (2006a, b)
Silicalite
1
30
589.8
137.2
4.3
b
Zhu et al. (2006)
H-ZSM-5
0.3
27
5667.8
1030
5.5
Poshusta et al. (1999)
Silicalite
1
30
5755.2
2398
2.4
b
van den Broeke et al. (1999)
Silica
1.4
25
2570
210.7
12.2
Raman and Brinker (1995)
DDR zeolite
2
100
99.6
0.996
100
b
Tomita et al. (2004)
Zeolite-T
1
35
137.4
0.344
400
Cui et al. (2004)
Zeolite-T
5
30
30
0.424
70.8
Mirfendereski et al. (2008)
Carbon
2
30
30
0.288
104
c
He et al. (2011)
CMS 550-2
3.4
35
1250
19.84
63
c
Vu et al. (2003a)
CMS 800-2
3.4
35
43.5
0.218
200
c
Vu et al. (2003b)
a 1 GPU = 10
−6 cm
3 (STP) cm
−2 s
−1 cm Hg
−1
b
Mixed gas permeation test
c Unit in barrer
64
I. U. Khan et al.