Table 2 Experimental conditions for the characterization of the six membranes.

From: Standardizing practices and flux predictions in membrane science via simplified equations and membrane characterization

Membrane

Compaction

Phase 1

Phase 2

 

Applied pressure

(bar)

Feed Solution

Applied feed pressures

(bar)

Feed solution (pH 8.0)

Step 1

pf (bar)

cfv (cm/s)

Step 2

pf (bar)

cfv (cm/s)

Step 3

pf (bar)

cfv (cm/s)

Step 4

pf (bar)

cfv (cm/s)

Step 5

pf (bar)

cfv (cm/s)

SW-1

65

Deionized water

65, 55, 45, 35

32 g/L NaCl

55

57.4

55

28.7

45

57.4

45

28.7

35

14.4

SW-2

SW-3

BW-1

20

20, 15.5, 10, 5

2 g/L NaCl

15.5

57.4

15.5

28.7

10

57.4

10

28.7

5

7.7

BW-2

10

10, 8.6, 4.3, 3

8.6

57.4

8.6

28.7

4.3

57.4

4.3

28.7

3

7.7

NF

6

6, 4.3, 3.4, 2

4.3

57.4

4.3

28.7

3.4

57.4

3.4

28.7

2

7.7

2 g/L MgSO4