Table 4 Comparison of dye removal ability of polymeric membranes from recent literature and this study.

From: Novel, one-step synthesis of zwitterionic polymer nanoparticles via distillation-precipitation polymerization and its application for dye removal membrane

Membrane

Type of membrane

Dye

PWP (L/m2 h bar)a

DPF (L/m2 h bar)b

Dye rejection

Ref.

PES/GO-PSBMA

Loose NF

Reactive black 5

11.98

9.4

99.2

46

PAEK-COOH

Tight UF

Congo red

29.5

25

99.0

77

Sepro NF 6

Loose NF

Direct red 80

13.7

13.2

99.95

87

UH004 (Hydrophilic PES)

Tight UF

Direct red 80

27

26

99.9

88

Sepro NF 2 A

Loose NF

Direct red 80

10.5

9.6

99.98

87

PSf-poly(MBAAm-co-SBMA)

UF

Reactive black 5/ Reactive orange 16

56

51/51.8

98/80.7

This study

  1. aPWP, pure water permeability.
  2. bDPF, dye permeate flux.
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