Author(s): Dadhich AS, Beebi SK, Kavitha GV
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Abstract The present investigation was carried out to study the removal of nickel using a non-conventional adsorbent, rice husk. The effects of contact time, adsorbent dosage, pH, concentration of the metal ion and isotherm models are studied in a batch process. A steady trend was observed for all variables. The adsorption percentage increased with increase in contact time, adsorbent dosage and pH, but there was a decrease in adsorption with increase in concentration of the metal ion. K, the adsorbent capacity and 1/n, the adsorption intensity values showed that rice husk, a non-conventional adsorbent is efficient in removing Ni (II) from an aqueous solution. The adsorption data fitted well into Freundlich adsorption isotherm.
This article was published in J Environ Sci Eng
and referenced in Journal of Bioremediation & Biodegradation