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Adsorption Studies of Nitrate by Geo-Physical Environment (Laterite Soil) of the Study Area Bidar Urban & its Industrial Area, Karnataka State, India

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Abstract:

In the present work, adsorption of Nitrate on Laterite soil has been studied using batch adsorption techniques. Main objectives of this study is to study the physical properties of Laterite soil, detection of Nitrate removal by adsorbent Laterite soil as a function of contact time, adsorbent dosage, pH, to study sorption kinetics, and to study isothermal pattern. The results of this study showed that the Optimum contact time, Optimum dosage and Optimum pH for adsorption of Nitrate on Laterite soil reached to equilibrium after 130 minutes, with removal efficiency of 68 %, 1400 mg as optimum dosage and at optimum pH of 6. The rate of adsorption of Nitrate obeys first order rate equation. The obtained results of the batch experiments are best fitted to Langmuir and Freundlich adsorption isotherms. From the experimental analysis it is concluded that Laterite soil shows good removal efficiency and hence can be used as adsorbent.

Info:

Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 11)
Pages:
66-76
DOI:
10.18052/www.scipress.com/ILCPA.11.66
Citation:
S. et al., "Adsorption Studies of Nitrate by Geo-Physical Environment (Laterite Soil) of the Study Area Bidar Urban & its Industrial Area, Karnataka State, India", International Letters of Chemistry, Physics and Astronomy, Vol. 11, pp. 66-76, 2013
Online since:
Sep 2013
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