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Table 1

Kinetic constants of Lagergren first order and pseudo second order kinetic models for adsorption of CV onto the activated carbon

Initial CV concentration (mg/L)qe,exp (mg/g)Lagergren first order kinetic model R2Pseudo second order kinetic model qe,cal k2 R2 (mg/g) (g.mg−1 .min−1)
20 4.62 0.5550 4.55 0.1339 0.9990 
40 9.05 0.7877 9.20 0.0363 0.9993 
60 14.26 0.7972 14.43 0.0334 0.9999 
80 17.79 0.7568 18.31 0.0080 0.9974 
100 22.31 0.6639 22.73 0.0085 0.9979 
Initial CV concentration (mg/L)qe,exp (mg/g)Lagergren first order kinetic model R2Pseudo second order kinetic model qe,cal k2 R2 (mg/g) (g.mg−1 .min−1)
20 4.62 0.5550 4.55 0.1339 0.9990 
40 9.05 0.7877 9.20 0.0363 0.9993 
60 14.26 0.7972 14.43 0.0334 0.9999 
80 17.79 0.7568 18.31 0.0080 0.9974 
100 22.31 0.6639 22.73 0.0085 0.9979 
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