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Table 2

Adsorption kinetics for the adsorption of Cr(VI) onto CeO2@ZSM-5

C0 (mg/L)Pseudo-first-order
Pseudo-second-order
k1 (min−1)R2qe (mg/g)k2 (g/mg·min)R2qe (mg/g)
0.5 0.0252 0.9770 0.0156 0.0939 0.9917 0.1755 
0.6 0.0308 0.9572 0.2099 0.0293 0.9991 0.2976 
0.7 0.0271 0.9739 0.3958 0.0160 0.9903 0.4135 
C0 (mg/L)Pseudo-first-order
Pseudo-second-order
k1 (min−1)R2qe (mg/g)k2 (g/mg·min)R2qe (mg/g)
0.5 0.0252 0.9770 0.0156 0.0939 0.9917 0.1755 
0.6 0.0308 0.9572 0.2099 0.0293 0.9991 0.2976 
0.7 0.0271 0.9739 0.3958 0.0160 0.9903 0.4135 
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