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Environmental Sciences Europe

Table 5 Kinetic parameters for the adsorption of Cd2+ ions adsorption using PAPh and PAPD

From: Unveiling the potential of a functionalized pyrrole-based polymer for efficient cadmium ion removal from wastewater: synthesis, characterization, and performance evaluation

 

Pseudo-first-order (PFO)

Pseudo-second-order (PSO)

PAPh

qe(cal) qe(exp) mg g−1 mg g−1

K1 L min−1

qe(cal) qe(exp) mg g−1 mg g−1

K2 min−1

600 645.06

0.225

600 47.85

0.027

y = − 0.0978x + 2.8096

R2 = 0.996

y = 0.0209x + 0.0162

R2 = 0.755

PAPD

600 663.28 0.251

600 50.00 0.026

y = − 0.109x + 2.8217

R2 = 0.988

y = 0.02x + 0.0154

R2 = 0.756

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