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Investigation of mechanism of metal ion adsorption from aqueous solutions using Prosopis julyflora roots: Batch and fixed bed column studies

  • Authors (legacy)
    Corresponding: Yogeshwaran V
    Co-authors: Sujatha S, Gokulan R, Zunaithur Rahman D.R & Yogeshwaran V
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  • gnest_04061_published.pdf
  • Paper ID
    gnest_04061
  • Paper status
    Published
  • Date paper submitted
  • Date paper accepted
  • Date paper online
DOI
https://doi.org/10.30955/gnj.004061
Graphical abstract
Abstract

Adsorption of heavy metal ions (Cr, Pb & Zn) using prosopis julyflora roots has been investigated by batch adsorption and fixed bed column process. The various properties of adsorbent were analysed and the FT-IR spectra & SEM studies of prosopis julyflora powder, before and after adsorption of metal ions also examined. From the batch adsorption study, maximum amount of metal ion adsorption was found to be 87.12% for Cr (VI), 92.28% for Pb (II) and 95.62% for Zn (II) metal ions. The Freundlich isotherm model fitted well than the Langmuir adsorption isotherm with high regression values. From the column study, optimum bed height of 5 cm, flow rate of 5 mL/min and metal ion concentration of 100 mg/L was obtained by breakthrough analysis. The fixed bed column study followed Thomas & Yoon-Nelson model plots with good correlations and maximum desorption rate was achieved by adding 0.3M of concentrated H2SO4.

Keywords
Adsorption metal ions isotherm studies breakthrough analysis Kinetic Modelling desorption studies.
Cite this article
Sujatha, S. et al. (2022) “Investigation of mechanism of metal ion adsorption from aqueous solutions using Prosopis julyflora roots: Batch and fixed bed column studies”, Global NEST Journal, 24(2). Available at: https://doi.org/10.30955/gnj.004061.
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  • gnest_04061_published.pdf