Research Article
Mass Transfer Studies on Adsorption of Phenol from Wastewater Using Lantana camara, Forest Waste
Table 5
The time taken by the adsorbent treated with HCl for the three different stages of adsorption.
| HCl treated adsorbent, concentration | Time taken for film diffusion, min | Time taken for intraparticle diffusion, min | Time taken for adsorption, min | Ratio of time taken for film diffusion to that for intraparticle diffusion |
| 25 mg/L | 174.4 | 39.7 | 9 | 4.39 | 50 mg/L | 110.25 | 64 | 49 | 1.722 | 100 mg/L | 196 | 36 | 4 | 5.44 | 150 mg/L | 182.25 | 42.25 | 6.25 | 4.31 | 200 mg/L | 144 | 30.25 | 25 | 4.76 | 250 mg/L | 156.25 | 56.25 | 6.25 | 2.77 |
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