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

Piyush Kant Pandey, Shweta Choubey, Yashu Verma, Madhurima Pandey, S. S. Kalyan Kamal and K. Chandrashekhar
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Piyush Kant Pandey: Center for Environmental Science & Engineering, Department of Engineering Chemistry, Bhilai Institute of Technology, Durg, 491002 (C.G.), India
Shweta Choubey: Center for Environmental Science & Engineering, Department of Engineering Chemistry, Bhilai Institute of Technology, Durg, 491002 (C.G.), India
Yashu Verma: Center for Environmental Science & Engineering, Department of Engineering Chemistry, Bhilai Institute of Technology, Durg, 491002 (C.G.), India
Madhurima Pandey: Center for Environmental Science & Engineering, Department of Engineering Chemistry, Bhilai Institute of Technology, Durg, 491002 (C.G.), India
S. S. Kalyan Kamal: Analytical chemistry Group, Defence Metallurgical Research Laboratory (DMRL), Hyderabad 500058 (A.P.), India
K. Chandrashekhar: Analytical chemistry Group, Defence Metallurgical Research Laboratory (DMRL), Hyderabad 500058 (A.P.), India

IJERPH, 2007, vol. 4, issue 4, 1-8

Abstract: 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 28 o C 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 (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2007
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