Table 3.
Comparison of adsorption capacities of various absorbents used for BG removal.
| Adsorbent | Experimental Conditions | Adsorption Capacity (mg/g) | References |
|---|---|---|---|
| Red clay | Co: 20–100 mg/L; pH: 7; t: 240 min; T: 45 °C | 125 | [6] |
| Poly(AN-co-VP)/zeolite Composite | Co: 40.20 mg/L; m: 0.20 g/50 mL; t: 121.60 min | 23.81 | [34] |
| Nano-hydroxyapatite/chitosan composite | Co: 05–80 mg/L; t: 60 min; m: 0.9 g/L; pH: 7 | 49.1 | [35] |
| Areca nut husk | m: 10 g/L; pH: 7.0; Co: 50–200 mg/L; T: 298 K; agitation speed: 200 rpm | 18.21 | [43] |
| NaOH treated saw dust | Co: 50–200 mg/L; pH: 2.9; t: 180 min; m: 4 g/L | 58.48 | [44] |
| Carboxy methyl cellulose/chitosan/graphene oxide | Co: 2–12 mg/L; pH: 7; t: 350 min | 1.90 | [45] |
| GO-PANI | Co: 25–200 mg/L; pH: 7; t: 30 min; T: 25 °C | 142.85 | This study |