Research Article
Removal of Cadmium (II), Chromium (III), and Lead (II) Heavy Metal Ions from Water by Graft Copolymerization of Acrylonitrile onto Date Palm Fiber Using H2O2/Fe++ as an Initiator
Figure 15
Pseudo-second-order kinetic plot for adsorption of (a) Pb (II), (b) Cr (III), and (c) Cd (II) on amidoxime chelating resin for different initial feed concentrations at pH 5 and temperature at 25°C.
(a) |
(b) |
(c) |