Table 4.
Comparison of maximum adsorption capacities obtained for different adsorbents.
| Absorbents | Maximum Adsorption Capacities | References |
|---|---|---|
| CMC/CMCTS and SSS powder hydrogel | 0.451 mg Ag(I)/g | [38] |
| Grapefruit peels, GP | 10.92 mg Ag(I)/g | [47] |
| Grapefruit peels modified with urea, GPU | 66.83 mg Ag(I)/g | [47] |
| Grapefruit peels modified with melamine, GPM | 28.05 mg Ag(I)/g | [47] |
| Biosolids biochar | 43.9 mg Ag(I)/g | [1] |
| Stillage residue biochar | 23.0 mg Ag(I)/g | [48] |
| Coconut shell activated carbon | 55.0 mg Ag(I)/g | [49] |
| Chitosan, Ch | 75.34 mg Ag(I)/g | This paper |
| Chitosan functionalized with dodecyl-triphenyl-phosphonium bromide, Ch-DDTPPBr | 103.6 mg Ag(I)/g | This paper |