Kinetic and Isotherm Studies on Adsorption of Nickel (II) Ions by Brassera Oleracea as a Bioadsorbent
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064



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Research Paper | Environmental Science Studies | India | Volume 5 Issue 4, April 2016

Kinetic and Isotherm Studies on Adsorption of Nickel (II) Ions by Brassera Oleracea as a Bioadsorbent

R. Muthuselvi, R. Vashantha

An increase in population initiating rapid industrialization was found to consequently increase the effluents into the aquatic ecosystem. brassera oleracea - Cabbage, a vegetable wastes were used to produce bioadsorbent through environment friendly process. It were cut, washed, dried, grounded into powder and used for nickel (II) removal. Nickel (II) adsorption onto raw cabbage (RC) was depended upon the controlling parameters such as pH, contact time, initial concentration, adsorbent dosage, particle size and temperature. pH 5 was found to be suitable for nickel (II) removal. Equilibrium, thermodynamic and kinetic data were well fitted (R2 = 0.991). Various thermodynamic parameters such as G, H and S have also been evaluated and it has been found that the adsorption process was spontaneous, endothermic and randomness in nature. The experimental data were analyzed using the Freundlich, Langmuir and Temkin adsorption isotherm equations. The equilibrium data were found to fit well in the Langmuir isotherm, which confirmed the monolayer coverage of Ni (II) ions onto RC. The monolayer adsorption capacity was 13.63mg/g. The RL and n values has proved the favorability of nickel (II) adsorption onto raw cabbage. The uptake of metal ions normally follows pseudo-first order kinetics and the adsorption capacity increase at elevated temperatures. The results indicate that the RC can be used to effectively adsorb nickel (II) ions from wastewater.

Keywords: adsorbent, metal ion, adsorption, isotherms, kinetics, thermodynamic parameter

Edition: Volume 5 Issue 4, April 2016

Pages: 2413 - 2420

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How to Cite this Article?

R. Muthuselvi, R. Vashantha, "Kinetic and Isotherm Studies on Adsorption of Nickel (II) Ions by Brassera Oleracea as a Bioadsorbent", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=NOV163189, Volume 5 Issue 4, April 2016, 2413 - 2420

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