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. 2019 Feb 20;4(2):3745–3754. doi: 10.1021/acsomega.8b02743

Table 2. Pseudo Second-Order Kinetic Constants for AO-II Adsorption on PLDH and LDH/PEG-15.

adsorbent C0 (mg/L) qe,exp (mg/g) pseudo second-order model
      qe,cal (mg/g) k2 [g/(mg·min)] R2
PLDH 100 131.5 142.8 1.43 × 10–4 0.98
  200 195.3 212.8 0.97 × 10–4 0.99
LDH/PEG-15 100 181.8 196.1 1.65 × 10–4 0.99
  200 339.6 370.4 0.82 × 10–4 0.99