Table 4 Energy parameters affected by structural parameters

From: Energy system for evaluation of modification methods on energy transfer efficiency and optimization of membranes

membrane composition

The method of mitigate ICP phenomenon

Structural parameter Sc (μm)

Feed solution/Draw sloution

φF under FO mode

θF under FO mode

φP under PRO mode

θP under PRO mode

Ref

POD − TFC

Control

797

DI water /2 M NaCl

3.102 × 10−23

1

5.377 × 10−22

1

56

40 mol % PTA − TFC

In-situ mineralization

236

DI water /2 M NaCl

2.482 × 10−22

8.001

2.260 × 10−21

4.203

56

TFC

Control

4834

DI water /2 M NaCl

3.514 × 10−25

1

1.320 × 10−24

1

57

TFC32 (15/10/75)wt% PSf /CaCO3/NMP

Chemical-etching

525

DI water /2 M NaCl

1.234 × 10−22

393.7

6.189 × 10−22

468.9

57

TFC M-0

Control

2223

DI water /2 M NaCl

1.734 × 10−24

1

1.925 × 10−23

1

72

TFC M-5 5% wt% ZnO to PVDF

Chemical-etching

413

DI water /2 M NaCl

5.054 × 10−23

29.15

1.135 × 10−22

5.897

72

Unmodified-TFC

Control

2410

DI water /2 M NaCl

2.375 × 10−24

1

3.394 × 10−22

1

73

Modified-TFC non-swelling hydrophobic fiber

Surface modification

193

DI water /2 M NaCl

3.167 × 10−22

84.46

1.027 × 10−21

3.025

73

TFC-control

Control

1011

DI water /2 M NaCl

1.188 × 10−22

1

2.958 × 10−22

1

59

TFC-25.0 (11.25/3.75, wt%) PSf /BPSH100-BPS0

Blending hydrophilic components

397

DI water /2 M NaCl

4.918 × 10−22

4.139

3.017 × 10−21

10.10

59

  1. Calculation methods for Table 4 are similar in Tables 2, 3. The initial total pressure (∆P) of fluid is produced by the salt concentration differences.