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Table 3

Constants of pseudo-kinetics models

Sampleqe,expPseudo-first-order model
Pseudo-second-order model
qe (mg/g)k1 × 10−3 (min−1)R2SSEqe (mg/g)k2 × 10−4 (g/mg.min)R2SSE
SA (5 mg/L) 5.24 4.42 2.03 0.913 5.69 4.98 5.03 0.975 1.54 
SB (5 mg/L) 5.19 4.99 0.097 0.983 1.72 5.64 2.04 0.983 2.21 
SA (20 mg/L) 15.1 11.9 3.54 0.875 37.0 13.4 3.16 0.943 16.3 
SB (20 mg/L) 19.9 17.5 1.72 0.935 44.8 19.9 0.993 0.978 14.3 
Sampleqe,expPseudo-first-order model
Pseudo-second-order model
qe (mg/g)k1 × 10−3 (min−1)R2SSEqe (mg/g)k2 × 10−4 (g/mg.min)R2SSE
SA (5 mg/L) 5.24 4.42 2.03 0.913 5.69 4.98 5.03 0.975 1.54 
SB (5 mg/L) 5.19 4.99 0.097 0.983 1.72 5.64 2.04 0.983 2.21 
SA (20 mg/L) 15.1 11.9 3.54 0.875 37.0 13.4 3.16 0.943 16.3 
SB (20 mg/L) 19.9 17.5 1.72 0.935 44.8 19.9 0.993 0.978 14.3 
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