Research Article
New Sustainable Biosorbent Based on Recycled Deoiled Carob Seeds: Optimization of Heavy Metals Remediation
Table 6
Comparison of biosorption capacity (qm) of Raw-seeds, HCl-seeds, and NaOH-seeds for Cd(II) and Co(II) with different other biosorbents.
| Adsorbent | qm (mg/g) Cd(II) | qm (mg/g) Co(II) | References |
| Pine bark | 28.00 | — | [48] | Peat | 22.50 | — | [49] | Hazelnut shells | 5.42 | — | [50] | Waste tea leaves | 31.48 | — | [51] | Aquatic plant Najas graminea | 28.00 | 20.6 | [52] | Black carrot residues | — | 5.35 | [53] | Coir pith | — | 12.82 | [54] | J. rubens (red algae) | 30.50 | 32.6 | [55] | Saw dust | 26.73 | — | [56] | Neem bark | 25.57 | — | [57] | Mangosteen shell | 3.15 | 0.34 | [11] | Areca catechu | 10.66 | — | [58] | — | 27.15 | [59] | Rose waste biomass | — | 20.63 | [60] | 31.35 | 17.41 | [24] | Sargassum wightii | 14.90 | 10.46 | [24] | Raw-carob | 49.63 | 30.04 | [24] | HCl-carob | | | | NaOH-carob | | | | Raw-seeds | 31.35 | 17.41 | Present study | HCl-seeds | 14.90 | 10.46 | Present study | NaOH-seeds | 49.63 | 30.04 | Present study |
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