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. 2021 Jul 24;7(3):103. doi: 10.3390/gels7030103

Table 2.

Comparative sorption data for removal of HMIs from multicomponent aqueous mixtures by various sorbents.

Sorbents Type of Multicomponent Mixture HMI pH C0, mg/L Sorbent Dose,
g/L
qe, mg/g Refs.
Granular activated carbon (GAC) Ternary Al(III)
Fe(III)
Mn(II)
5 26–122 2 106.5
14.8
7.6
[34]
Amberlite IR-120H Ternary Al(III)
Fe(III)
Mn(II)
5 26–122 2 108.7
15.6
8.7
[34]
Activate carbon Ternary Cu(II)
Ni(II)
Zn(II)
5.5 10–100 2.5 18.6
16.1
12.1
[35]
CS-coated perlite beads Binary Cu(II)
Ni(II)
5 50–200 2.5 147.0
38.9
[36]
Binary Cu(II)
Co(II)
156.2
39.8
Binary Ni(II)
Co(II)
56.1
66.6
Ternary Cu(II)
Co(II)
Ni(II)
128.2
35.2
30.4
Cu2+-ion-imprinted polymer Binary Cu(II)
Ni(II)
6 30–90 3 53.1
7.7
[37]
Binary Cu(II)
Zn(II)
40.2
3.3
Binary Cu(II)
Pb(II)
38.4
128.1
SBA-15 mesoporous silica Quaternary Cu(II)
Ni(II)
Co(II)
Zn(II)
4.8 1 8.2
7.6
4.7
5.5
[38]
N-propylsalicylaldimino-functionalized SBA-15 mesoporous silica Quaternary Cu(II)
Ni(II)
Co(II)
Zn(II)
4.8 1 44
3.5
2.9
2.6
[38]
Acid-activated Romanian zeolite Five-component Cu(II)
Fe(III)
Ni(II)
Zn(II)
Cr(III)
5
4
4.5
5
3.5
50–1000 3.5 9.7
7.3
2.2
2.2
0.12
[11]
CS/acid-activated Romanian zeolite composite cryogels Five-component Cu(II)
Fe(III)
Ni(II)
Zn(II)
Cr(III)
5
4
4.5
5
3.5
50–1000 3.5 61.1
18.6
12.2
53.4
0.8
[11]
CSZ Binary Cu(II)
Fe(III)
4 200 0.4 113.3
161.6
This study
Binary Cu(II)
Co(II)
4 200 0.4 107.8
80.3
Binary Co(II) Fe(III) 4 200 0.4 82.8
157.5
Binary Cu(II)
Co(II)
6 200 0.4 188.3
115.3
CSZ-EDTA Binary Cu(II)
Fe(III)
4 200 0.4 135.3
189.6
Binary Cu(II)
Co(II)
4 200 0.4 130.7
110.6
Binary Co(II) Fe(III) 4 200 0.4 112.2
180.2
Binary Cu(II)
Co(II)
6 200 0.4 190.64
118.0
CSZ-DTPA Binary Cu(II)
Fe(III)
4 200 0.4 145.4
206.7
Binary Cu(II)
Co(II)
4 200 0.4 141.9
129.1
Binary Co(II) Fe(III) 4 200 0.4 133.8
203.7
Binary Cu(II)
Co(II)
6 200 0.4 218.0
130.4
CSZ Ternary Cu(II)
Co(II)
Fe(III)
4 200 0.4 105.7
74.5
148.6
CSZ-EDTA Ternary Cu(II)
Co(II)
Fe(III)
4 200 0.4 128.2
91.5
177.7
CSZ-DTPA Ternary Cu(II)
Co(II)
Fe(III)
4 200 0.4 138.6
103.5
188.0