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. 2023 Sep 21;9(10):e20253. doi: 10.1016/j.heliyon.2023.e20253

Table 4.

A review of hazardous metal adsorption performance of different adsorbents in synthetic wastewaters.

Targeted metal Sorption capacity (mg/g) Adsorbent Concentration Solution pH Reference
Cd(II) 188.7 ZIF-L/GO 10–200 mg/L 6 [44]
Cd(II) 45.66 Magnetic biochar 50 mg/L 7.0 [45]
Cd(II) 35.5 LaFe@CS 0.2–5 mg/L 6.5 [46]
Cd(II) 265 Ag–Fe-MOF 50–200 mg/L 7 [47]
Cu(II) 84.65 Zeolite Na–P1 40–200 mg/L 3 [48]
Cu(II) 110.5 DTPA-chitosan/alginate composite beads 20–500 mg/L 3 [49]
Cu(II) 32.0 Carbon nanotube sheets 5–35 mmol/L 4.2 [50]
Pb(II) 411.8 Covalent organic framework (Ni0.6Fe2.4O4-HT-COF) 100–700 mg/L 5 [51]
Pb(II) 431.6 Coal gangue derived NaY zeolite 10–200 mg/L 7 [52]
Cd(II)
Cu(II)
44.64
33.76
Synthetic clinoptilolite 10–600 mg/L 5 [53]
Cd(II)
Cu(II)
Pb(II)
74.1
57.8
109.9
FAU zeolite 100–500 mg/L [18]
Cd(II)
Cu(II)
Pb(II)
75.5
37.1
Methacrylate-Na-Y-Zeolite 5–100 mg/L 4.5 [38]
Cd(II)
Cu(II)
Pb(II)
26.9
20.9
88.3
NaP1 zeolite 0–295 mg/L
0–223.5 mg/L
5.6 [17]
Pb(II) 1385 CS/Fe-HAP composite bead 100–700 mg/L [54]
Pb(II) 497.01 Zeolite P 10–1000 mg/L 5.0 [55]
Cu(II) 175 Cellulose-g- Poly(acrylamide) 1–3.6 mol/L 5.8 [56]
Cd(II)
Cu(II)
Pb(II)
117.3
42.9
534.3
NaP zeolite 10–250 mg/L 5.2 This study
Cd(II)
Cu(II)
Pb(II)
223.5
140.1
850.7
LTA zeolite 50–500 mg/L