Table 2 A comparative study of desalination membranes, membrane type, material composition, water flux, and test solute.

From: Advanced fabrication and characterization of thin-film composite polyamide membranes for superior performance in reverse osmosis desalination

Membrane type

Material composition

Fabrication technique

Rejection efficiency (%)

Water flux (L/m2/h)

Test solute

References

TFC RO

Polyamide

Interfacial polymerization

99.2%

35

2000 ppm NaCl

56

PA-G12.5

Modified polyamide

Layer-by-layer deposition

99%

2.5  × 10−13

2000 ppm NaCl

57

PA/PPESK

m-phenylene diamine (MPD) and trimesoyl chloride (TMC)

Interfacial polymerization

99%

22.9

2000 ppm NaCl

58

MPD-TMC PMDA/ODA PI

Polyamide + Nanomaterial

Interfacial polymerization

98.5%

3.95

2000 ppm NaCl

59

TFC-COFTpPa-DAPL

Polyamide TFC RO membrane

Interfacial polymerization

99%

49

2000 ppm NaCl

60

M4 membrane

Poly(ether sulfone)

modifying the chemical structure

94.0%

43

2000 ppm NaCl

61

TFC RO

Thin film Polyamide

interfacial polymerization

98.8%

30

10,000 ppm NaCl

This work