Table 1. Recent Studies Reporting the Adsorption of CTX and MG Compared to the Current Study.
| adsorbent | adsorbate | pH | adsorbate concentration (mg/L) | equilibrium time (min) | adsorbent mass (g) | removal percent | Qmax (mg/g) | reference |
|---|---|---|---|---|---|---|---|---|
| ZnCoFe MMO | CTX | 7 | 50 | 60 | 0.05 | 85% | 322 | (This work) |
| TiO2/chitosan/nanobentonite | CTX | 5 | 25 | 10 | 2 | 93.5% | 90.9 | (12) |
| Pseudomonas putida biomass | CTX | 7 | 50 | 120 | 0.1 | 50% | 109.5 | (13) |
| C3N4/ multiwalled carbon nanotube /Bi2WO6 | CTX | 4 | 50 | 10 | 0.015 | 98.4% | 19.6 | (14) |
| Fe3O4/activated carbon | CTX | 3 | 10 | 90 | 1.99 | 97.1% | 28.9 | (15) |
| ZnCoFe/CTX ZnCoFe MMO | MG | 7 | 50 | 10 | 0.005 | 94% | 34.2 | (This work) |
| 90% | 23.3 | |||||||
| MgAl LDH/Biochar | MG | 25 | 150 | 2 | 66.7% | 70.9 | (16) | |
| activated carbon | MG | 4 | 100 | 0.1 | 22% | 115 | (17) | |
| Fe-BTC metal–organic frameworks | MG | 4 | 1.5 (mM) | 30 | 0.1 | 98.5% | 177 | (18) |
| ZIF-8@Fe/Ni | MG | 4.5 | 50 | 120 | 0.5 | 92% | 151.5 | (19) |