Table 3 Adsorption performances of different adsorbents for NA removal.
Adsorbent | Max adsorption capacity (mg g–1) | Best-fitted isotherm model | Best-fitted Kinetic Model | References |
|---|---|---|---|---|
Layered double hydroxide-graphene oxide-chitosan (LDH-GO-CS NC)) | 277.79 | Freundlich | PSO | |
Montmorillonite and kaolinite | – | Freundlich | PSO | |
Nanometric magnetite | 137.2(µmol g− 1) | Freundlich | PSO | |
Carbon nanotubes (CNT) | 186 | Freundlich | ||
Carbon nanofibers (CNF) | 67 | Freundlich | ||
high surface area graphite (HSAG) | 179 | Freundlich | ||
multi-wall non-functionalized carbon nanotubes (MWCNT) | 111 | Freundlich | – | |
CNT functionalized with COOH groups (MWCNT-COOH) | 79 | Freundlich | - | |
CNT functionalized with NH2 groups (MWCNT-NH2) | 98 | Freundlich | - | |
BSA NPs | 240 | Freundlich | PSO | This study |
