Table 2 The parameters of the pseudo-first-order and pseudo-second-order kinetic model of Cr(VI) adsorption on ammonium persulfate-modified AC (Temperature: 298.15 K, Speed: 150 rpm, Cr: 100 mg L−1, Adsorbent mass: 0.03 g, and Solution volume: 10 mL).

From: Intensification of Cr(VI) adsorption using activated carbon adsorbent modified with ammonium persulfate

pseudo-second-order

pseudo-first-order

R2

qe (mg.g−1)

K2 (g.mg−1.min)

R2

qe (mg.g−1)

K1 (min−1)

0.999

31.35

0.0014

0.915

9.11

0.003

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