Table 3 The results obtained for pure polyethersulfone membrane.
From: Design and modeling of a nanocomposite system for demineralization of sweet whey
Run | Factors | Responses | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Temperature | TMP | pH | Re Number | Primary Flux | Flux in 10 min | Flux in 20 min | Flux in 30 min | Flux in 40 min | Flux in 50 min | Flux in 60 min | Salt rejection | |
Unit | ||||||||||||
ºC | bar | ND* | kg/m2.h | kg/m2.h | kg/m2.h | kg/m2.h | kg/m2.h | kg/m2.h | kg/m2.h | % | ||
1 | 40 | 10 | 4.6 | 1290 | 4.25 | 3.61 | 3.35 | 3.18 | 3.08 | 2.99 | 2.96 | 16 |
2 | 30 | 7.5 | 5.3 | 4292 | 6.39 | 5.62 | 5.22 | 4.96 | 4.81 | 4.67 | 4.62 | 24 |
3 | 20 | 5 | 4.6 | 1290 | 1.89 | 1.60 | 1.49 | 1.41 | 1.37 | 1.33 | 1.32 | 11 |
4 | 20 | 10 | 4.6 | 4292 | 5.34 | 3.93 | 3.66 | 3.47 | 3.37 | 3.27 | 3.23 | 21 |
5 | 30 | 7.5 | 5.3 | 2791 | 5.29 | 4.60 | 4.28 | 4.06 | 3.94 | 3.82 | 3.78 | 20 |
6 | 40 | 10 | 4.6 | 4292 | 6.54 | 5.56 | 5.17 | 4.91 | 4.76 | 4.62 | 4.57 | 21 |
7 | 20 | 5 | 4.6 | 4292 | 2.83 | 2.40 | 2.32 | 2.12 | 2.05 | 1.99 | 1.97 | 15 |
8 | 40 | 5 | 4.6 | 1290 | 2.66 | 2.26 | 2.10 | 1.99 | 1.93 | 1.88 | 1.86 | 11 |
9 | 20 | 5 | 6 | 4292 | 2.91 | 2.56 | 2.38 | 2.26 | 2.19 | 2.12 | 2.10 | 9 |
10 | 40 | 5 | 4.6 | 4292 | 3.10 | 2.63 | 2.45 | 2.32 | 2.25 | 2.19 | 2.17 | 14 |
11 | 30 | 7.5 | 6 | 2791 | 4.74 | 4.17 | 3.87 | 3.68 | 3.57 | 3.46 | 3.43 | 12 |
12 | 20 | 5 | 6 | 1290 | 2.69 | 2.36 | 2.20 | 2.09 | 2.02 | 1.96 | 1.94 | 9 |
13 | 30 | 7.5 | 5.3 | 2791 | 4.92 | 4.28 | 3.98 | 3.78 | 3.66 | 3.55 | 3.52 | 18 |
14 | 40 | 10 | 6 | 1290 | 4.92 | 4.32 | 4.02 | 3.82 | 3.71 | 3.59 | 3.56 | 13 |
15 | 40 | 5 | 6 | 4292 | 2.53 | 2.22 | 2.07 | 1.96 | 1.90 | 1.85 | 1.83 | 6 |
16 | 40 | 10 | 6 | 4292 | 6.64 | 5.84 | 5.43 | 5.16 | 5.00 | 4.85 | 4.80 | 13 |
17 | 20 | 7.5 | 5.3 | 2791 | 4.86 | 4.22 | 3.93 | 3.73 | 3.62 | 3.51 | 3.47 | 19 |
18 | 30 | 7.5 | 5.3 | 2791 | 4.91 | 4.27 | 3.97 | 3.77 | 3.58 | 3.47 | 3.44 | 18 |
19 | 40 | 5 | 6 | 1290 | 2.94 | 2.58 | 2.40 | 2.28 | 2.21 | 2.15 | 2.12 | 8 |
20 | 40 | 7.5 | 5.3 | 2791 | 5.34 | 4.64 | 4.32 | 4.10 | 3.98 | 3.86 | 3.82 | 18 |
21 | 30 | 7.5 | 5.3 | 2791 | 4.21 | 3.66 | 3.40 | 3.23 | 3.13 | 3.04 | 3.01 | 19 |
22 | 30 | 7.5 | 5.3 | 1290 | 3.92 | 3.41 | 3.17 | 3.01 | 2.92 | 2.83 | 2.80 | 14 |
23 | 30 | 7.5 | 5.3 | 2791 | 5.33 | 4.63 | 4.31 | 4.09 | 3.97 | 3.85 | 3.81 | 23 |
24 | 20 | 10 | 4.6 | 1290 | 4.63 | 4.53 | 4.22 | 4.01 | 3.88 | 3.77 | 3.73 | 18 |
25 | 30 | 7.5 | 4.6 | 2791 | 5.85 | 4.97 | 4.62 | 4.39 | 4.26 | 4.13 | 4.09 | 19 |
26 | 20 | 10 | 6 | 4292 | 5.40 | 4.75 | 4.41 | 4.19 | 4.07 | 3.95 | 3.91 | 14 |
27 | 30 | 5 | 5.3 | 2791 | 3.64 | 3.16 | 2.94 | 2.79 | 2.70 | 2.62 | 2.60 | 15 |
28 | 20 | 10 | 6 | 1290 | 3.29 | 2.89 | 2.69 | 2.55 | 2.47 | 2.39 | 2.37 | 10 |
29 | 30 | 10 | 5.3 | 2791 | 6.12 | 5.32 | 4.95 | 4.70 | 4.56 | 4.42 | 4.37 | 19 |
30 | 30 | 7.5 | 5.3 | 2791 | 4.33 | 3.72 | 3.46 | 3.28 | 3.19 | 3.09 | 3.06 | 17 |
