Adsorption Kinetics for the Removal of Hazardous Dye Congo Red by Biowaste Materials as Adsorbents

Figure 4

The effect of contact time on the adsorption of congo red by GNC and EC at different temperatures (sorbent dose = 1 g L⁻¹, Co = 65 mg L⁻¹, pH = 7.0).

(a)

(b)