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Table 2 Permeation results of pure polymer and mixed-matrix membrane under 1 bar of upstream pressure with air (21/79 O2/N2) at 35 °C

From: Incorporation of Cu3BTC2 nanocrystals to increase the permeability of polymeric membranes in O2/N2 separation

Membrane

O2 permeability (barrier)

% Enhancement

O2/N2 selectivity

% Enhancement

Polysulfone

2.01 ± 0.12

–

4.23 ± 0.25

–

Polysulfone + 10 wt% Cu3BTC2

3.80 ± 0.12

89

4.85 ± 0.10

15

Polysulfone + 20 wt% Cu3BTC2

9.62 ± 0.58

379

4.71 ± 0.08

11

Matrimid

2.72 ± 0.27

–

5.97 ± 0.06

–

Matrimid + 10 wt% Cu3BTC2

4.12 ± 0.29

52

6.13 ± 0.38

3

Matrimid + 20 wt% Cu3BTC2

5.59 ± 0.37

106

6.18 ± 0.21

4

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BMC Chemical Engineering

ISSN: 2524-4175

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