Table 1 Removal efficiency of some dyes by different low-cost adsorbents.
Low-cost adsorbents | Dye | Removal efficiency (%) | Reference |
|---|---|---|---|
Pine leaves | Methylene blue | ~ 80 | |
Pine cone | Methylene blue | 63.8–94.8 | |
Rice hull | Reactive orange 16 | 21.7–56.2 | |
Tectona grandis sawdust | Crystal violet | ~ 95 | |
Prickly pear seed cake | Methyl orange | ~ 98 | |
Apricot seed | Astrazone black | 62–91 | |
Sugarcane bagasse | Rhodamine B | 87.1–99.1 |
