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