Biosorbent | Q (mg/g) | Reference | ||
Cu(II) | Pb(II) | Zn(II) | ||
Bentonite | 14.10 | - | 21.1 | [33] |
Pomegranate peel | 1.31 | 13.87 | - | [34] |
Rice husk | - | 0.62 | 19.61 | [35] |
Activated carbon derived from Cicer arietinum | 17.77 | 20.69 | 19.93 | [36] |
Volcanic rock | 10.87 | 9.52 | 4.46 | [37] |
Coir fibre | 9.43 | 29.41 | - | [16] |
Phosphate rock | 7.24 | 78.74 | 5.44 | [38] |
Poplar sawdust | 3.24 | - | - | [39] |
Groundnut shells | 4.46 | - | 7.62 | [40] |
Jute fibres | 4.23 | 3.55 | [41] | |
Polyporus tenoiculus | 14.7 | 92 | - | [42] |
Tea waste | 48 | 65 | - | [11] |
Cotton fibre | 6.12 | 21.62 | 4.53 | [43] |
Chorella vulgaris | 25.42 | - | 31.38 | [44] |
Residual biomass | 28.34 | 92.20 | 25.37 | [31] |
CTS | 3.89 | 25.00 | 23.81 | This study |
ES | 34.48 | 90.90 | 35.71 | This study |
SB | 3.65 | 21.28 | 40.00 | This study |