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. 2017 Sep 29;7:12437. doi: 10.1038/s41598-017-12805-6

Table 5.

Fitting parameters of adsorption kinetics model of Sulfamethazine on AC and MAC.

Pseudo first-order model Pseudo second-order model Intraparticle diffusion model
k1 qe R2 k2 qe R2 K3 R2
min−1 mg/g g/mg·min−1 mg/g mg/g·min0.5
AC 0.4732 3.168 0.9672 1.7244 3.098 0.9998 0.3128 0.6659
MAC 0.1363 14.82 0.9688 3.3743 15.85 1 1.1747 0.6062