Table 4 Comparison between the performance of the modified BC adsorbent in the present work and some of the BC modified with metals used for PO43− removal from water from literature.
Metal | BC loading (g/L) | PO43− conc. | Main findings | References |
|---|---|---|---|---|
Fe3+ | 2 | 20 mg/L | Max qe: 0.963 mg/g Equilibrium time: 24 h | |
Fe2+ and Fe3+ | 6.25 | 2.4 mg/L | Max qe: 1.24 mg/g | |
Fe2+ and Fe3+ | 10 | 150 mg/L | Max qe: 28 mg/g Equilibrium time: 5 h | |
Mg and Al | 2 | 50 mg/L | Max qe: 74.47 mg/g Equilibrium time: 5 h | |
Fe/Zn/Cu | 2 | 50 | Max qe: 45 mg/g Equilibrium time: 4 h | |
Mg/Al | 2.5 | 50 | Max qe: 81.8 mg/g Equilibrium time: 40 min | |
La | 2 | 400 | Max qe: 46.4 mg/g Equilibrium time: 10 h | |
Ce/Fe3O4 | 1 | 75 mg/L | Max qe: 18.7 mg/g Equilibrium time: 3 h | |
Fe3O4/MgO | 2 | 500 | Max qe: 98.5 mg/g Equilibrium time: 4 h | Present work |
