Figure 6

Variation curve of adsorption capacity and removal rate with concentration (a); Freundlich (b); Langmuir (c), and Dubinin–Radushkevich isothermal regression curve (d).
Variation curve of adsorption capacity and removal rate with concentration (a); Freundlich (b); Langmuir (c), and Dubinin–Radushkevich isothermal regression curve (d).