From: Rational synthesis, characterization, and application of environmentally friendly (polymer–carbon dot) hybrid composite film for fast and efficient UV-assisted Cd2+ removal from water
Adsorbent
Pseudo-second order
Langmuir constants
Freundlich constants
Cd2+
qe (mg g−1)
k2 (g(mg min)−1)
R2
KL (L mg−1)
qm (mg g−1)
Kf (mg g−1)(mg L−1)1/n
n
10.23
1.13
0.9999
2.32
112.35
0.999
0.58
1.02
0.975