Effect of Aging on the Adsorption of Tetracycline by Humic Acid: Insight into the Morphology and Chemical Composition

Figure 3

(a) The pseudo-second-order kinetic model fitting the adsorption of TC onto HA, AHA-0.05 and AHA-0.1, respectively (insert is the e Boyd’s film-diffusion model fitting the adsorption of TC onto HA, AHA-0.05 and AHA-0.1, respectively); (b) the Weber and Morris intraparticle diffusion model fitting the adsorption of TC onto HA, AHA-0.05, and AHA-0.1, respectively.

(a)

(b)