Fig. 3. (a) and (b) Effect of solution pH on antibiotics adsorption onto HCOPs. (c) and (d) the fluoroquinolone adsorption capacity under different contact times (C0 = 10 mg L−1, pH = 6.0). (e) and (f) Langmuir and Freundlich adsorption isotherms of fluoroquinolones adsorption onto HCOPs. Dashed line: Freundlich model; solid line: Langmuir model.
