Table 5 Comparison of the maximum adsorption capacity of PANI/Msc1 nanocomposite for Cd2+ and Pb2+ ions with other adsorbents reported in the literature.
Adsorbent | Qm (Pb2+) (mg/g) | Qm (Cd2+) (mg/g) | Kinetics/Isotherm | Ref |
|---|---|---|---|---|
Activated muscovite | 12.95 | 13.12 | Pseudo second-order/ Langmuir isotherm | |
Nanomuscovite | 25.5 | 26.6 | Pseudo second-order/ Langmuir isotherm | |
Magnetic Biochar | 26.3 | 23.6 | Pseudo second-order/ Langmuir isotherm | |
Wetland plant reed/NaBH4, FeSO4 | 38.31 | 39.35 | Pseudo second-order/ Langmuir isotherm | |
Magnetic biochar composite | 25.29 | 14.96 | Pseudo second-order/ Langmuir isotherm | |
activated coal bottom ash | 5.83 | 2.72 | Pseudo second-order/ Langmuir isotherm | |
natural kaolinite clay | 2.35 | 1.35 | Pseudo second-order/ Langmuir isotherm | |
MWCNT-coated polyaniline | 22.2 | ––– | Pseudo second-order/ Langmuir isotherm | |
Polyaniline/clay | 70.4 | ––- | Pseudo second-order/ Langmuir isotherm | |
natural clay modified by polyvinylpyrrolidone | 0.67 | 0.78 | Pseudo second-order/ Langmuir isotherm | |
PANI/Msc nanocomposite | 36.1 | 61 | Pseudo second-order/ Langmuir isotherm | This study |
