Metal ion | Adsorbent | Q0, mg/g | pH | Contact Time | Refs |
---|---|---|---|---|---|
 | Zeolitic imidazolate frameworks nanoparticles | 430.4 | 7.0 | 7.0 h | [1] |
Oxidized multi-walled carbon nanotubes | 78.12 | 5.0 | 2.0Â h | [2] | |
Silica/polyvinyl imidazole/H2PO4-core–shell NPs | 150 | 4.0 | 0.5 h | [3] | |
Hybrid Lewis base ligands functionalized alumina-silica | 125.4 | 4.0 | 3.0Â h | [4] | |
polyethylenimine–acrylamide/SiO2 hybrid hydrogel | 50–100 | 2-7 | 6.0 h | [9] | |
Microcapsules containing dibenzoylmethane | 70.85 | 6.0 | 60.0Â h | [12] | |
D113 resin | 292.7 | 6.0 | – | [15] | |
Macroporous poly(vinylphosphoramidic acid) resin | 101 | 4-5 | – | [14] | |
Zr-modified mesoporous silica supported H4[PMo11VO40] | 52.63 | 5.0 | 1.0Â h | [13] | |
Polyacrylic acid grafted silica fume | 251.20 | 1-6 | 1.0Â h | [11] | |
Pr(III) | Lanthanide-ion imprinted polymers (L-IIPs) | 125.3 | 6.0 | 1.5Â h | [5] |
Polyethylenimine sodium phosphonate resin (PEIPR.Na) | 6.23 | 4.0 | 250Â min | [18] | |
Fe3O4@TiO2@P204 nanoparticles | 10.2 | 5.0 | – | [19] | |
TVEX–PHOR resin | 49 | 3.5 | 1.0 h | [20] | |
magnetic nanoparticles functionalized with a phosphonic group | 17.6 | 4.0 | 1.0Â h | [21] | |
silica gel modified with diglycol amic acid | 12.72 | 1.0 | – | [22] | |
Graphene Oxide Nanosheets | 135 | 6.0 | 2.0Â h | [6] | |
Y(III) | Graphene oxide nanosheets with cross-linked by high-gluten flour | 32.84 | 7.5 | 2.0Â h | [7] |
Porous three-dimensional graphene oxide-corn zein composites | 14.2 | – | 3.33 h | [8] | |
Carbon nanotubes reinforced silica composite | 68.8 | 4.0 | 24.0Â h | [10] | |
Functionalized silica in the hybridization process with chitosan | 159 | 4.0 | 24.0Â h | [16] | |
Diglycolamic-acid modified chitosan sponges | 40.7 | 0.5–7 | 12.0 h | [17] |