Research Article

Adsorptive Removal of Cd(II) Ions from Wastewater Using Maleic Anhydride Nanocellulose

Figure 9

Langmuir (a) and Freundlich (b) adsorption isotherm for the removal of Cd(II) ions, respectively, at Ci = 30 mg/L, pH = 6, adsorbent dose = 1 g, contact time = 120 min, and agitation speed = 250 rpm.
(a)
(b)