Table 2 Comparative analysis of the separation performance of various PDMS membranes for CO2/N2 and CO2/CH4 gas pairs.

From: Polydimethylsiloxane based mixed matrix membranes with pretreated fumed silica for efficient CO2 separation

Membrane

CO2 Permeability (Barrer)

CO2/N2 selectivity

CO2/CH4 selectivity

References

Silica/PDMS composite

8794

11.64

-

21

Dimethyl silane-modified silica/PDMS

5000

< neat PDMS

< neat PDMS

22

Polyimide/PDMS

6639

9.1

-

13

MgO/PDMS

1929

12.7

3.7

6

Multi walled Carbon nanotubes/PDMS

1500

11.83

2.73

23

D-MXene/PDMS

13,917

13.6

-

24

ML-MXene/PDMS

12,556

12.5

 

24

Pre-treated FS/PDMS

4105

15.67

4.84

This work

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