Research Article

Sorption of Ammonium Ions onto Natural and Modified Egyptian Kaolinites: Kinetic and Equilibrium Studies

Figure 7

Intraparticle diffusion plots for the sorption of by HK and HAK sorbents (sorbent dose = 0.1 g; pH = 7; temperature = 30°C; contact time = 2 h).
935854.fig.007a
(a)
935854.fig.007b
(b)