Kinetic and thermodynamic of adsorption of 2-Picoline (cas 109-06-8) by sawdust from aqueous solution
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Add time:08/21/2019 Source:sciencedirect.com
The adsorption of 2-Picoline (cas 109-06-8) (2-pic) onto sawdust (SD) was investigated from aqueous solution. The SD and SD-2-pic were characterized using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and SEM image. The influence of various parameters like contact time, PH, adsorbent dose and initial concentration of 2-pic were studied. The experimental data fitted by pseudo- second-order kinetic model to describe the adsorption of 2-picoline on SD. Thermodynamic results revealed that the adsorption of 2-pic onto SD is an endothermic and spontaneously process. The Langmuir and Freundlich isotherms for adsorption of 2-pic onto sawdust were investigated. The SD containing 2-pic can be regenerated by combustion of adsorbed 2-pic.
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