Table 3: Maximum sorption capacities (mg.g-1) for CSH (this study) and other adsorbents.
Material |
Cu capacity (mg.g-1) |
Pb capacity (mg.g-1) |
Zn capacity (mg.g-1) |
Ref. |
Zeolite (Clinoptilolite) |
25.7 |
290.1 |
17.5 |
[23] |
Zeolite (Egyptian Kaoline ) |
43.8 |
213.4 |
41.2 |
[31] |
Zeolite (Chabasite) |
5.1 |
6.0 |
5.5 |
[32] |
Zeolite X |
109 |
549 |
|
[32] |
Zeolite 13X |
136 |
|
|
[32] |
Activated carbon |
7.7 |
19.3 |
3.5 |
[24] |
Clays |
54.1 |
239 |
250 |
[33] |
CSH/Chitosan |
425 |
796 |
400 |
[24] |
CSH |
680 |
|
252 |
[26] |
CSH |
209 ± 21 |
213 ± 22 |
53 ± 6 |
This study |