Table 2 Sequestration of Ag NP with supported HEC
Run | Polymer/glass bead ratio | Concentration of Ag NP (μg.L−1) | Salinity (PSU)a | Molecular weight (kDa) | Percentage of sequestration (%)b |
|---|---|---|---|---|---|
Influence of polymer/glass bead ratio | |||||
17 | 2 | 100 | 0 | 720 | 37.0 |
18 | 3 | 100 | 0 | 720 | 51.4 |
19 | 4 | 100 | 0 | 720 | 60.9 |
20 | 5 | 100 | 0 | 720 | 12.4 |
21 | 6 | 100 | 0 | 720 | 39.7 |
Influence of molecular weight and salinity | |||||
22 | 4 | 20 | 35 | 720 | 64.0 |
23 | 4 | 20 | 35 | 92 | 73.8 |
24 | 4 | 60 | 35 | 720 | 31.0 |
25 | 4 | 60 | 35 | 92 | 39.6 |
26 | 4 | 60 | 0 | 92 | 63.6 |
Influence of Ag NP concentration | |||||
27 | 4 | 90 | 35 | 92 | 48.5 |
28 | 4 | 150 | 35 | 92 | 34.4 |
29 | 4 | 260 | 35 | 92 | 23.0 |
30 | 4 | 300 | 35 | 92 | 20.5 |