Research Article

Extraction of Phosphate from Polluted Waters Using Calcium Alginate Beads Doped with Active Carbon Derived from A. aspera Plant as Adsorbent

Figure 13

(a) Langmuir adsorption isotherm
(b) Freundlich adsorption isotherm
(c) Dubinin-Radushkevich adsorption isotherm
(d) Temkin adsorption isotherm