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  • Title: Comparison of activation media and pyrolysis temperature for activated carbons development by pyrolysis of potato peels for effective adsorption of endocrine disruptor bisphenol-A.
    Author: Arampatzidou AC, Deliyanni EA.
    Journal: J Colloid Interface Sci; 2016 Mar 15; 466():101-12. PubMed ID: 26707777.
    Abstract:
    Activated carbon prepared from potato peels, a solid waste by product has been studied for the adsorption of an endocrine disruptor, Bisphenol-A, from aqueous solutions. The potato peels biomass was activated with H3PO4, KOH and ZnCl2 in order the effect of the activation agent to be evaluated. The activated biomass was carbonized at 400, 600 and/or 800 °C in order the effect of carbonization temperature on the texture, surface chemistry and adsorption properties to be found. The activated carbons prepared were characterized by nitrogen adsorption, Scanning Electron Microscope, thermal analysis and Fourier Transform Infrared Spectroscopy. Equilibrium adsorption data followed both Langmuir and Freundlich isotherms. Adsorption followed second order rate kinetics. The adsorption capacity calculated from the Langmuir isotherm was found 454.62 mg g(-1) at an initial pH 3 at 25 °C for the phosphoric acid activated carbon carbonized at 400 °C that proved to be the best adsorbent.
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