Equilibrium Studies for Adsorption of Zn2+ on to Acid Treated Kikuyu Grass Pennisetum Clandestinum Biomass
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

Research Paper | Chemistry | Kenya | Volume 5 Issue 4, April 2016

Equilibrium Studies for Adsorption of Zn2+ on to Acid Treated Kikuyu Grass Pennisetum Clandestinum Biomass

Genson Murithi, Karanja wa-Thiongo, Wachira Muthengia

. The feasibility of using Pennisetum clandestinum biomass as low-cost adsorbent for the removal of Zn2+ was investigated in batch studies. The Freundlich, Langmuir, Dubinin Raduskevich and Temkin adsorption isotherms were used to analyze the experimental data. The kinetic analyses of the adsorption processes were performed using pseudo-first order and pseudo-second order kinetic models. The Langmuir isotherm adequately described the adsorption of Zn2+ onto the material. The maximum adsorption capacity was found to be 25.34 Mg/g. The Langmuir dimensionless constant, separation factor (RL) was between 0

Keywords: Adsorption, Isotherms, Kinetics, Pennisetum clandestinum biomass, Zinc II ions

Edition: Volume 5 Issue 4, April 2016

Pages: 1754 - 1760

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Genson Murithi, Karanja wa-Thiongo, Wachira Muthengia, "Equilibrium Studies for Adsorption of Zn2+ on to Acid Treated Kikuyu Grass Pennisetum Clandestinum Biomass", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=NOV162969, Volume 5 Issue 4, April 2016, 1754 - 1760

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