Table 3.
Effect of Adsorbent dose alginate, alginate silver nanoparticles, Sargassum latifolium aqueous extract nanoparticles and aqueous extract on bioadsorption of malachite green dye
| Adsorbent dose (g) | Co (ppm) | Treatments | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alginate nanoparticles | Alginate | Sargassum latifolium aqueous extract nanoparticles | Sargassum latifolium aqueous extract | ||||||||||
| Ce (ppm) | Q (mg/) | Removal rate | Ce (ppm) | Q (mg/g) | Removal rate | Ce (ppm) | Q (mg/g) | Removal rate | Ce (ppm) | Q (mg/g) | Removal rate | ||
| 0.005 | 100 | 41 ± 0.17 | 1176 ± 3.4 | 58 ± 0.97 | 52 ± 2 | 950 ± 8 | 48 ± 5 | 46 ± 1 | 1070 ± 8 | 54 ± 5 | 62 ± 2 | 750 ± 8 | 38 ± 5 |
| 0.01 | 100 | 30 ± 0.12 | 698 ± 1.2 | 69 ± 2.9 | 41 ± 5 | 588 ± 1.2 | 59 ± 2 | 39 ± 2 | 608 ± 1.2 | 61 ± 3 | 53 ± 3 | 468 ± 1 | 47 ± 5 |
| 0.015 | 100 | 11.7 ± 5 | 588 ± 2.8 | 88 ± 6 | 21.2 ± 1.4 | 521 ± 2.8 | 78 ± 5 | 18 ± 0.37 | 544 ± 2 | 82 ± 5 | 34 ± 1 | 437 ± 2 | 66 ± 2 |
| 0.02 | 100 | 8.6 ± 0.37 | 456 ± 1.8 | 91 ± 10 | 20.7 ± 2 | 412 ± 1.8 | 82 ± 10 | 16 ± 3 | 422 ± 1 | 84 ± 6 | 32 ± 2 | 341 ± 2 | 68 ± 3 |
| 0.03 | 8.3 ± 0.25 | 305 ± 10 | 91.723 ± 5.255 | 16 ± 1.2 | 279 ± 0.84 | 84 ± 6 | 10 ± 0.2 | 299 ± 0.8 | 89 ± 2 | 28 ± 0.25 | 239 ± 0.8 | 72 ± 1 | |
Co: initial MG concentrations pH:7
Ce: MG concentrations (ppm) after incubation period (150 min)
Q: biosorption capacity (mg/g)