Research Article

Thermodynamics of Biosorption for Removal of Co(II) Ions by an Efficient and Ecofriendly Biosorbent (Saccharum bengalense): Kinetics and Isotherm Modeling

Figure 2

(a) Pseudo-first-order kinetics model, (b) pseudo-second-order kinetics model, (c) intra-particle diffusion kinetic model, (d) Elovich kinetic model, and (e) Bangham kinetic model for sorption of Co(II) ions on SB: pH, 6.0; concentration, 50 mg/L; adsorbent dose, 0.5 g/50 mL.
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528542.fig.002b
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528542.fig.002e
(e)