A Study on the Removal Characteristics of Nickel Ion from Wastewater by Low-Cost Nano Adsorbent

A Study on the Removal Characteristics of Nickel Ion from Wastewater by Low-Cost Nano Adsorbent



R Sivakumar, S Arivoli,V Marimuthu



The work aims at adsorption studies of nickel from
aqueous solution onto activated nano carbon prepared from Syringodium
Isoetifolium Leaves, by acid treatment was tested for its efficiency in
removing nickel ion. The process parameters studied include agitation
time, initial nickel ion concentration, adsorbent dose, pH and
temperature. The adsorption followed second order reaction equation and
the rate is mainly controlled by intra-particle diffusion. The
equilibrium adsorption data were correlated with Langmuir, Freundlich,
Temkin, Dubinin-Radushkevich, Hurkins-Jura, Halsay, Redlich-Peterson,
Jovanovich and BET isotherm models. The adsorption capacity (Qm)
obtained from the Langmuir isotherm plot at an initial pH of 6.5 and at
30, 40, 50, 60 ± 0.5 0C. The influence of pH on nickel ions removal was
significant and the adsorption was increased with increase in
temperature. A portion of the nickel ion was recovered from the spent
ASI-NC using 0.1M HCl. 



10.22161/ijeab/2.1.6



http://ijeab.com/upload_document/issue_files/6%20IJEAB-DEC-2016-59-A%20Study%20on%20the%20Removal%20Characteristics%20of%20Nickel%20Ion%20from%20Wastewater%20by%20Low-Cost%20Nano%20Adsorbent.pdf



ijeab.com/submit-paper/

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