Table 3 Comparison of different adsorbents with the present study.
From: Aqueous phase adsorption of phenothiazine derivative onto zinc oxide doped activated carbon
Adsorbent | Method of synthesis | Adsorbate | Maximum quantity/percentage adsorbed | References |
|---|---|---|---|---|
Activated carbon developed from Rumex abyssinicus plant | Chemical and thermal activation methods | Methylene blue | 99.9% removal efficiency | |
Fig leaf activated carbon (FLAC) | Thermal carbonisation | Methylene blue | 41.7 mg/g for MB removal | |
MgFe2O4 nanoparticles | Commercial | Methylene blue | 537.63 mg/g | |
CN–Fe2O3NPs | Green synthesis using Cola nitida (CN) leaves extract, | Methylene blue and methyl orange | 530.406 mg/g and 527.835 mg/g | |
Raw groundnut shell biosorbent | Green synthesis | Methylen blue | 29.3 mg/g for 50 mg/L MB concentration | |
Zinc oxide doped activated carbon nanocomposites (ZAC) | Green synthesis | Phenothiazine model dye (MB) | 248 mg/g (70.9%) for 140 mg/L MB concentration | Present study |
