Research Article

Characterization of Nanoporous Ceramic Granules Made with Coal Fly Ash and Their Utilization in Phenol Removal from Water

Figure 4

Effect of contact time on phenol adsorption: (a) adsorption percentage and capacity variation with time; (b) pseudo-second-order kinetic model. pH: 7.0; dosage: 140 g/L; temperature: 303 K; initial concentration: 100 mg/L.
606940.fig.004a
(a)
606940.fig.004b
(b)