Research Article

A Stochastic Model for Adsorption Kinetics

Table 1

Estimated values of the parameters of the TOU model and goodness-of-fit measures of adsorption kinetics for DR80 and DB1 removal using Pec-Ca for initial dye concentrations of 5, 10, 15, and 20 mg/L.

DR80DB1

(mg/L)51015205101520
(mg/g)2.06094.46386.74319.21352.27994.73087.20019.7113
1.15771.481.13691.46782.16851.26831.40422.0232
((mg/g)/min)0.07920.05080.1350.08470.28550.14740.08240.0517
0.0140.050.0240.1120.8740.060.0740.542
(1/min)0.08880.10420.17530.23940.74790.22360.18310.5297
(mg/g)0.02760.04060.03350.08650.09430.07180.110.2141
(mg/g)0.06540.08890.05660.1250.07710.10740.18170.208
Half-life (min)8.24967.89574.14843.41951.42773.40624.36941.9048
Median (min)59.5222138.339142.959471.315893.744534.477956.5945139.0425
Log-likelihood5.90695.81036.04015.03676.65395.01894.21464.5655
0.98650.99520.99830.99820.98680.98840.98550.9857
(mg/g)0.02330.03710.02660.05370.02330.09090.26860.4656
2.86721.80460.86580.93132.55192.63653.31372.519