Research Article
Adsorptive Applications of Montmorillonite Clay for the Removal of Ag(I) and Cu(II) from Aqueous Medium
Table 3
Comparison of adsorption capacity of Saudi clay with other adsorbents reported in previous works.
| Adsorbent | Maximum adsorbed amount (mg/g) | References | Ag+ | Cu++ |
| Zeolite | 33.2 | — | [12] | Activated carbon | — | 25 | [46] | Peat | 10.8 | 6.2 | [10] | Spent activated carbon | — | 13 | [33] | Red mud | — | 5.3 | [34] | Expanded perlite | 0 | 8.62 | [45] | Natural zeolite | — | 8.69 | [31] | Clay | — | 12.84 | [11] | Shells of wheat | — | 17.42 | [8] | Bulgarian clay | — | 3.11 | [25] | Expanded perlite | 0.8 | 0.18 | [4] | Saudi clay | 63.2 | 32.36 | This work |
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