Adsorption of Nitrate onto ZnCl₂-Modified Coconut Granular Activated Carbon: Kinetics, Characteristics, and Adsorption Dynamics

Figure 7

Breakthrough curve: (a) the effect of column depth on NO₃⁻-N adsorption ( = 10 ml·min⁻¹,  = 20 mgN·L⁻¹); (b) the effect of flow rate on NO₃⁻-N adsorption ( = 30 g,  = 20 mgN·L⁻¹); (c) the effect of influent concentration on NO₃⁻-N adsorption ( = 30 g,  = 10 ml·min⁻¹).

(a)

(b)

(c)