Environmental Engineering Reference
In-Depth Information
1.0
Bare nZVI
Bare Ag NP
Coated Ag NP
0.8
0.6
0.4
0.2
0.0
0
20
40
60
80
100
120
Time (min)
Figure 8.7
Sedimentation bare and APGC modified silver nanoparticles. The bare nZVI
sedimentation curve is shown here for comparison purpose.
1.0
72-hour mixing
48-hour mixing
0.8
0.6
0.4
0.2
0.0
0
20
40
60
80
100
120
Time (min)
Figure 8.8
Colloidal stability of APGC modified nZVI when nZVI and APGC were
mixed for different lengths of time.
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