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Application of Nickel Calciate Nanoparticles in the Photodegradation of direct green 6 Dye

Author Affiliations

  • 1Dept. of P.G. Studies and Research in Envi. Science, Kuvempu University, Jnana Sahyadri, Shankaraghatta, Shivamogga, Karnataka, India
  • 2Dept. of P.G. Studies and Research in Envi. Science, Kuvempu University, Jnana Sahyadri, Shankaraghatta, Shivamogga, Karnataka, India
  • 3Department of P.G. Studies and Research in Chemistry, Kadur P.G Center, Kuvempu University, Kadur, Karnataka, India
  • 4Department of Chemistry, Government Science College, Hassan, Karnataka, India
  • 5Dept. of P.G. Studies and Research in Envi. Science, Kuvempu University, Jnana Sahyadri, Shankaraghatta, Shivamogga, Karnataka, India

Int. Res. J. Environment Sci., Volume 7, Issue (6), Pages 12-18, June,22 (2018)


Dyes are components associated with major water pollution and results in several health issues, so that alternative technologies are required in the treatment of dye effluent. In study mainly focused on photodegradation on Direct Green 6 (DG6) a textile dye by using synthesized Nickel Calciate (NiCaO2) nanoparticles and these nanoparticles were prepared by economically viable method by using acetamide as a fuel. The characterization was done by X-ray diffraction (XRD), scanning electron microscope (SEM), Energy Dispersive X-ray (EDX), Brunauer Emmett-Teller surface area determination and UV-absorption spectroscopy. The results suggested that that, the band gap was found to be 3.3eV and also point zero charge was found to be 11.7, it is determined by pH drift method. Photocatalytic degradation was determined against DG6, with respect to parameters such as catalyst concentration, pH, dye concentration and in different conditions. From these experimental results we came to know that, the optimum catalyst concentration and pH was found to be 0.3g/100ml at pH 8. The maximum degradation was found to be 91.80%. Hence, the efficiency of photodegradation of DG6 dye by using NiCaO2 nanoparticles was ascertained.


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