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Int. J. Environ. Res. Public Health 2007, 4(4), 332-339; doi:10.3390/ijerph200704040009

Biosorptive Removal of Ni(Ii) from Wastewater and Industrial Effluent

1,* , 1, 1, 1, 2 and 2
1 Center for Environmental Science & Engineering, Department of Engineering Chemistry, Bhilai Institute of Technology, Durg, 491002 (C.G.), India 2 Analytical chemistry Group, Defence Metallurgical Research Laboratory (DMRL), Hyderabad 500058 (A.P.), India
* Author to whom correspondence should be addressed.
Received: 24 August 2007 / Accepted: 5 November 2007 / Published: 31 December 2007
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The objective of the present work was to investigate the removal of Ni(II) by the fresh biomass (FBM) and chemically treated leached biomass (LBM) of Calotropis procera. The scope of the work included screening of the biosorbents for their metal uptake potential, batch equilibrium, column mode removal studies and kinetic studies at varying pH (2-6), contact time, biosorbent dosages (1-25 g/L) and initial metal ion concentration (5-500 mg/L). The development of batch kinetic model and determination of order, desorption studies, column studies were investigated. It was observed that pH had marked effect on the Ni(II) uptake. Langmuir and Freundlich models were used to correlate equilibrium data on sorption of Ni(II) metallic ion by using both FBM and LBM at 28oC and pH 3 and different coefficients were calculated. It was found that both biomasses were statistically significant fit for Freundlich model. The biomass was successfully used for removal nickel from synthetic and industrial effluents and the technique appears industrially applicable and viable.
Keywords: Biosorption; biomaterial; nickel; industrial effluent; Calotropis procera Biosorption; biomaterial; nickel; industrial effluent; Calotropis procera
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Pandey, P.K.; Choubey, S.; Verma, Y.; Pandey, M.; Kamal, S.S.K.; Chandrashekhar, K. Biosorptive Removal of Ni(Ii) from Wastewater and Industrial Effluent. Int. J. Environ. Res. Public Health 2007, 4, 332-339.

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