|
Adsorbent | Adsorption capacity | Adsorption isotherm | Initial concentration | References |
Arsenic III | Arsenic V |
|
Zirconium Polyacrylamide hybrid (ZrPACM-43) | 0.20 mg/g 0.80 mg/g | | Freundlich | 10 mg/L | [14] |
Manganese oxide-coated alumina (MOCA) | 42.48 mg/g | — | Sips | — | [2] |
Nano zerovalent | 18.2 mg/g | 12 mg/g | Freundlich and Langmuir | — | [3] |
MnFe2O4 | 94 mg/g | 90 mg/g | Langmuir | 10 mg/L | [42] |
CoFe2O4 | 100 mg/g | 74 mg/g | Langmuir | 10 mg/L | [42] |
Manganese(II, III) oxide (Mn3O4) | | 101 μg/m2 | Langmuir Freundlich | 1 mg/L | [52] |
Activated alumina | 0.0545 mg/g | — | Langmuir, Freundlich | 0.5 mg/L | [82] |
Copper(II) oxide nanoparticles | — | 1.0862 mg/g | Langmuir | 100 µg/L | [57] |
Chitosan-coated biosorbent | 56.5 mg/g | 96.46 mg/g | Langmuir | 100 ppm | [83] |
Cellulose-carbonated hydroxyapatite nanocomposites | | 12.72 mg/g | Langmuir | 10 mg/L | [84] |
Magnetiteemaghemite nanoparticles | 3.69 mg/g | 3.71 mg/g | Freundlich | 1.5 mg/L | [85] |
Polymeric Al/Fe modified montmorillonite | 19.11 mg/g | 21.23 mg/g | Freundlich | 10 mg/L | [86] |
Activated alumina grains | — | 15.9 mg/g | Langmuir | 2.85 and 11.5 mg/L | [87] |
Activated alumina grains | 3.48 mg/g | | Langmuir | 0.79 and 4.90 mg/L | [87] |
Iron (Fe2O3) | — | 0.66 mg/g | Langmuir | 200 µg/L | [60] |
Aluminum oxide (Al2O3) | — | 0.17 mg/g | Langmuir | — | [60] |
Oxide-coated sand | 0.0411 mg/g | 0.0426 mg/g | Langmuir | 100 µg/L | [88] |
Shirasu-zeolite P1 (-SZP1) | — | 65.93 mg/g | Freundlich | — | [89] |
Aluminum-loaded Shirasu-zeolite P1 (Al-SZP1) | — | 10.47 mg/g | Freundlich | 0.13 mM | [89] |
Alum-impregnated activated alumina (AIAA) | — | 0.0314 mmol/g | Langmuir | 1–25 mg/L | [90] |
Copper oxide incorporated | 2.161 mg/g | 2.017 mg/g | Langmuir | — | [91] |
Unmodified alumina | 0.925 mg/g | 0.637 mg/g | Langmuir | — | [91] |
Goethite | — | 15 mg/g | Langmuir | — | [92] |
Jarosite | — | 21 mg/g | Langmuir | — | [92] |
Iron-coated zeolite (ICZ) | — | 0.68 mg/g | Langmuir | — | [93] |
Iron-impregnated granular activated carbon | — | 0.6 mg/g and 1.95 mg/g | Langmuir | — | [93] |
Reclaimed iron oxide-coated sands | 6.7–8.7 g/g | — | Langmuir | 301 g/L | [94] |
Maghemite nanoparticles | — | 16.7 mg/g | Langmuir | — | [95] |
Acid modified carbon black | — | 46.3 mg/g | Langmuir | 100 mg/L | [96] |
Modified red mud | — | 68.5 mg/g | Langmuir | — | [69] |
MnO2-modified natural clinoptilolite zeolite | — | 1 μg/g | Freundlich | 20 µg/L | [97] |
Unmodified natural clinoptilolite | — | 0.38 μg/g | Freundlich | 20 µg/L | [97] |
Novel hybrid material | 0.25 mg/g | | Langmuir | 10 mg/L, 50 mg/L, and 100 mg/L | [98] |
Synthetic siderite | — | 31 mg/g | Langmuir | | [99] |
Iron oxide-coated fungal biomass | 880 μg/g | 1080 μg/g | Langmuir | 100 g/L | [100] |
Cupric oxide nanoparticles | 26.9 mg/g | 22.6 mg/g | Langmuir isotherm | | [101] |
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