Chitosan |
chitosan / hydroxyapatite / nanomagnetic composite |
Zn |
50% |
[37] |
Cu |
80% |
permutite with chitosan |
Zn |
58,8 |
[38] |
Cu |
50,2 |
chitosan micro and nanoparticles |
Zn |
>90% |
[39] |
Rice bran |
Zn |
95,22 |
[27] |
Cd |
>80% |
[29] |
Cr(VI) |
40–50% |
Zn(II) |
87% |
Cr(VI), Ni(II) |
40–50% |
[17] |
Alginate |
Cu |
>90% |
[48], [44] |
Cd |
Pb, Zn |
[54] |
Coconut fibers |
Zn |
91% |
[54] |
Cu |
97% |
Cr(VI) |
>80% |
[17] |
Agricultural waste biomass |
corn cobs |
Zn |
72% |
[71] |
Ni |
82% |
waste from tea leaves |
Zn |
90% |
[72] |
Ni(II) |
86% |
[17] |
mango wood sawdust |
Cu(II) |
60% |
Lignin |
Cu, Cd |
90–95% |
[119] |
Pb |
>90% |
[114] |
Cr(VI) |
85% |
[115] |
Lignin-chitin composite |
Fe(III) |
84% |
[116],[117] |
Cu(II) |
22% |