Table 3.
Comparison of reactive dyes degradation efficiency by various NPs.
| Nanoparticles | Synthesis route | Catalyst Dose (g/L) | Dye | Dye dose (ppm) | Degradation (%) | Time (min) | Reference |
|---|---|---|---|---|---|---|---|
| FeO nanorods | Green reduction | 0.005 | Safranin | 10 | 68.8 | 180 | (Qasim et al., 2020) |
| FeO nanorods | Chemical Reduction | 0.005 | Safranin | 10 | 24.82 | 180 | (Qasim et al., 2020) |
| FeO NPs | Green reduction | - | Crystal violet | 10 | 78.78 | 150 | (Vasantharaj et al., 2019) |
| α-Fe2O3 NPs | Green reduction | 0.8 | Remazol yellow RR | 50 | 75 | 250 | This study |
| TiO2 NPs with H2O2 | Chemical method | 1 | Remazol yellow RR | 75 | 98 | 15 | (Soutsas et al., 2010) |
| Cobalt Oxide NPs | Green reduction | 0.005 | Remazol brilliant orange 3R | 150 | 78.45 | 50 | (Bibi et al., 2017) |
| Tin Oxide NPs | Green reduction | 1 | Reactive yellow 186 | 40 | 90 | 180 | (Kumar et al., 2018) |
| Silver NPs | Green reduction | 2.5 | Methylene blue in presence of NaBH4 | 40 | 80 | 20 | (Paul et al., 2020) |