Research Article
Mass Transfer Studies on Adsorption of Phenol from Wastewater Using Lantana camara, Forest Waste
Table 6
The time taken by the adsorbent treated with KOH for the three different stages of adsorption.
| KOH treated adsorbent | 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 | 104.04 | 92.16 | 16 | 1.128 | 50 mg/L | 156.25 | 56.25 | 14.44 | 2.77 | 100 mg/L | 163.84 | 59.84 | 10.89 | 2.73 | 150 mg/L | 169 | 42.25 | 23.04 | 4 | 200 mg/L | 144 | 44.89 | 26.01 | 3.2078 | 250 mg/L | 146.41 | 60.84 | 15.21 | 2.4064 |
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