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Removal of Nickel ion from Industrial Waste Water using Maize Cob

Author Affiliations

  • 1Department of Biotechnology, Karunya University,Tamil Nadu, INDIA
  • 2Department of Biotechnology, Karunya University,Tamil Nadu, INDIA
  • 3Department of Biotechnology, Karunya University,Tamil Nadu, INDIA

Int. Res. J. Biological Sci., Volume 1, Issue (2), Pages 7-11, June,10 (2012)


The adsorption of Nickel (II) on Maioze cob has been studied using atomic absorption spectroscopy for metal estimation. Parameters like Heavy metal concentration, adsorbent dose, contact time and agitation speed were studied. Langmuir and Freundlich isotherms were employed to describe adsorption equilibrium. Maximum amount of nickel adsorbed as evaluated by Freundlich isotherm. Study concluded that Maize cob, a waste material, have good potential as an adsorbent to remove toxic heavy metal like nickel from industrial waste water.


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