Research Article
Oxidized Renewable Materials for the Removal of Cobalt(II) and Copper(II) from Aqueous Solution Using in Batch and Fixed-Bed Column Adsorption
Table 8
Comparison of adsorbent materials reported in the literature for removal of Cu2+ and Co2+ from aqueous solutions in a fixed-bed column adsorption.
| Adsorbent | Fixed-bed column adsorption parameter | | Fixed-bed model | Reference | pH | (°C) | | | Cu2+ | Co2+ |
| SBox | 5.5 | 25 | 1.26 (Cu), 0.68 (Co) | 0.7 | 0.55 | 0.22 | | This study | Tetraethylenepentamine modified sugarcane bagasse | 5.0 | 30-35 | 0.31 | - | 0.26 | - | - | [54] | Sugarcane bagasse modified with trimellitic anhydride (STA) | 5.5 | 25 | 0.94 (Cu), 1.61 (Co) | 1.05 (Cu); 1.4 (Co) | 1.06 | 0.80 | Thomasa and | [23] | Citrus maxima peel | 5.4–5.7 | 25 | 4.72 | 1.2 | 1.54 | - | Thomasa | [55] | Passion fruit shell | 0.57 | - | Sugarcane bagasse | 0.35 | - | Multi-metal binding biosorbent (MMBB) | 5.5 | 23 | 0.47 | 8 | 0.75 | - | Thomasa | [56] | Bagasse fly ash (BFA) | 5.0 | 30 | 3.14 | 4.3 | 0.42 | - | - | [57] | Conventional zeolitic BFA (CZBFA) | 0.83 | - | Electrolyte treated CZBFA | 0.84 | - | Magnetized sawdust (Fe3O4-SD) | 5.0 | 25 | 0.16 | 0.67 | 0.50 | - | Thomasa and | [58] | Sargassum wightii biomass | 4.5 | - | 1.70 | 3.9 | | 0.83 | BDST | [59] | Biomass beads of immobilized Saccharomyces cerevisiae (PTCC 5010) | 8.0 | 25 | 1.70 | 19.6 | | 0.04 | Thomasa | [60] | Polyamine chelating resin (NDC-984) | 5.0 | 30 | 5.00 | 12.0 | | 0.96 | - | [61] | Native teak leaves power | - | 30 | 0.85 | 3.14 | - | 0.35 | Thomasa and | [62] | Biochar of teak leaves | - | 0.39 | Free seaweed Sargassum sp. | 5.0 | 30 | 0.77 | 31.4 | 1.51 | - | Thomasb | [63] | Immobilized seaweed Sargassum sp. | 0.78 | 1.69 | - | Seaweed Sargassum sp. | 3.5 | 30 | 2.08 | 31.4 | 0.12 | - | Thomasb and | [64] |
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aSimplified model; bOriginal model. Thomas: Thomas model; B–A: Bohart–Adams model; BDST: Bed depth service time.
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