Table 2.
Application of GNSFs for photocatalytic removal of organic contaminants from aqueous solutions.
| Composite | Target contaminant |
Working conditions | Removal capacity |
No. of cycles |
Ref. | |||
|---|---|---|---|---|---|---|---|---|
| Dosage (g L−1) |
pH | Temp (K) |
C0 (mg L−1) |
|||||
| Graphene–wrapped Bi2Fe4O9/Ag | MB | 0.12 | ~6.5 | NA | NA | ~99% | 3 | Hu et al. (2015b) |
| N-doped graphene/NiFe2O4 | MB | 0.25 | NA | 298 | 20 | >99% | NA | Singh et al. (2017) |
| graphene/AgFeO2 | RhB/MB/MO | 5 | NA | 298 | 20 | >99/100/96% | 10 | Hosseini et al. (2017) |
| rGO/ZnFe2O4 | NH3/N2 | 2 | 9.5 | 298 | 100 | 92.4% | 5 | Liu et al. (2017) |
| BFO249/rGO4.5 | BPA | 0.5 | 6.5/5 | NA | 10 | 76/80% | NA | Hu et al. (2015a) |
| rGO/CoFe2O4 | MB/MO/RhB | 0.25 | NA | 298 | 20 | >93/37.5/72.2% | 3 | He et al. (2015) |
| rGO/NiFe2O4 | MB/MO/RhB | 0.25 | NA | 298 | 20 | 99.1/47.1/82.2% | 3 | Liang et al. (2018) |
| rGO/CoFe2O4 | 4-CP | 0.4 | NA | 318 | 10 | >99% | 3 | Devi and Srinivas (2017) |
| Chitosan/GO/CoFe2O4 | Maxilon C.I. basic dye | 2 | NA | 303 | 25 | 99% | 4 | (Al-Kahtani and Abou Taleb, 2016) |
| C3N4@MnFe2O4-G | MNZ/TC | 1 | NA | NA | 10–20 | 94.5/91.5% | 5 | Wang et al. (2017c) |
| Graphene-based–CoFe2O4/CdS | MB | 0.25 | NA | 298 | 20 | 80% | 3 | Shi et al. (2014) |
| rGO/TiO2/CoFe2O4 | MO | 0.25 | NA | NA | 20 | >99% | 5 | Ghosh et al. (2017) |
| Nest-like rGO/LiFe5O8 | MB | 1 | 6.4 | NA | 10 | 99.6% | 4 | Zhang and Zhang (2016) |
| rGO/ZnFe2O4 | MB | 0.5 | NA | 308 | 10 | 99.23% | 9 | Rani et al. (2017) |
| rGO/CoFe2O4 | MO | 0.5 | NA | NA | 20 | >99% | 5 | Moitra et al. (2016) |
| rGO/MnFe2O4 | MB | 0.5 | NA | 298 | 50 | 95% | 4 | Peng et al. (2016) |
TC: tetracycline; NA: not available.