TABLE 3.
Comparative study of previous investigations for the removal of BG dye by using IONPs and their composites.
| Type of IONPs | Size of IONPs (nm) | Initial dye concentration (ppm) | Adsorption capacity (mg/g) | Removal % | Time of contact (minutes) | Reference |
|---|---|---|---|---|---|---|
| Fecore−maghemite shell (Fe−MM) | ∼30 diameter | 100 | 1,000 | Ganguly and Ariya (2019) | ||
| Fe3O4@AC NPs | 6–16 | 50 | 166.6 | 55.6%–91.8% | 20–120 | Joshi et al. (2019) |
| Fe3O4@SDBS@LDHs composites | 50–120 | 329.1 | ZHANG et al. (2017) | |||
| Magnetic barium phosphate composites | 1,419.3 ± 10.0 | 0–60 | Tao et al. (2023) | |||
| IONPs | 12–28 nm | 50 | 556.23 | 54.7 | 120 | Current investigation |