| Adsorbent | Pollutant | MAC values (mg∙g−1) | References |
| Liquorice root powder | Congo Red | 0.77 | [4] |
| Liquorice root powder | Indigo Blue | 1.70 | [4] |
| Sugarcane bagasse | Congo Red | 4.43 | [6] |
| Sodium carboxymethyl cellulose and chitosan | Indigo Blue | 50.00 | [17] |
| Zizyphusjoazeiro peel | Indigo Blue | 50.00 | [24] |
| Wood sawdust powder | Congo Red | 0.52 | [25] |
| Corncob-to-xylose residue (CCXR) | Congo Red | 751.00 | [29] |
| Natural clay | Indigo Blue | 57.00 | [30] |
| Activated carbon | Indigo Blue | 53.00 | [30] |
| Algerian kaolin | Congo Red | 6.53 | [31] |
| Natural zeolites modified with N,N-dimethyl dehydroabietylamine oxide | Congo Red | 69.94 | [32] |
| Coconut residual fiber | Congo Red | 128.94 | [33] |
| Red mud | Congo Red | 4.05 | [34] |
| Polysaccharide of Carica papaya seeds | Congo Red | 319.08 | [35] |