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  • Chem Sci Trans., 2018, 7(2),  pp 247-257  

    DOI:10.7598/cst2018.1452

    Research Article

    Adsorptive Removal of Cd(II) from Aqueous Solutions Using Chemically Activated Pistachios Seed Shell and Commercially Activated Carbon

  • S. AMALA FATIMA RANI1, M. S. MALAR SELVI2 and R. J. SAVITHA1
  • 1PG and Research Department of Chemistry, Holy Cross College, Trichy-2, Tamilnadu, India
    2Chennai Institute of Technology, Chennai, Tamilnadu, India
  • Abstract

    The capacity of hydrochloric acid treated pistachios seed shell carbon (PSSC) for the removal of cadmium from aqueous solution was examined. The effect of various experimental parameters such as equilibration time, pH, carbon dosage, temperature, agitation speed, particle size was studied using batch process. The experiment demonstrated showed that the equilibrium adsorption data fit the Freundlich adsorption isotherm. The adsorbents used in this study are characterized by FT-IR, XRD before and after adsorption of cadmium ion. Desorption study was carried out using HCl solution with a view to regenerate the spent adsorbent and to recover the adsorbed metal ion. The result obtained clearly indicates that PSSC is a very good adsorbent than commercially activated carbon (CAC) and it can be used for the removal of heavy metals from synthetic water.

    Keywords

    Adsorption, Pistachios seed shell, Commercially available carbon, Isotherm, Desorption

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