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Bioremediation Technology For the Nickel Plating Effluent by Immobilized Biomass of Anabaena

  • Unique Paper ID: 170778
  • Volume: 11
  • Issue: 7
  • PageNo: 3560-3565
  • Abstract:
  • Bioremediation technology for the removal of Ni (II) by Agarose Immobilized Biomass of Anabaena (AIBA), a newly developed immobilized biosorbent was characterized based on adsorption isotherms. The effects of pH, temp, agitation time and adsorbent dosage on metal uptake capacity of AIBA were studied in the present investigation. The kinetic experiments showed that the process equilibrium was reached quickly in less than 15 minutes without the loss of biomass. The immobilized biomass of Anabaena sp (AIBA) was found to be influenced by pH of the solution and agitation time. Biosorption at pH 4.5, 120 rpm and 280C by Anabaena sp biomass in immobilized state ranging from 2 to 3 g/ agarose matrix described the solid-solution interaction between AIBA and effluent. Maximum biosorption capacity for AIBA of 58mg Ni at 1gbiomass/ matrix with metal recovery was enhanced up to 90% using 0.1 M EDTA when compared to other eluents. There was a decrease in Ni (II) uptake capacity when used in consecutive five biosorption–desorption cycles. 1/(x/m) values of Langmuir adsorption isotherm model for AIBA ranging from 0.03149 to 0.09322 proved that immobilized form of Anabaena is favorable for Ni (II) recovery.Hence continuous removal of Ni (II) from effluent by AIBA proved that it could be used in bioreactors for the removal of nickel from industrial effluent.
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Cite This Article

  • ISSN: 2349-6002
  • Volume: 11
  • Issue: 7
  • PageNo: 3560-3565

Bioremediation Technology For the Nickel Plating Effluent by Immobilized Biomass of Anabaena

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