biosorptive removal of ni(ii) from wastewater and industrial effluentbiosorptive去除废水和工业废水的镍(ii).pdf

Int. J. Environ. Res. Public Health 2007, 4(4), 332-339 International Journal of Environmental Research and Public Health ISSN 1661-7827 © 2007 by MDPI Biosorptive Removal of Ni(Ii) from Wastewater and Industrial Effluent 1* 1 1 1 2 Piyush Kant Pandey , Shweta Choubey , Yashu Verma , Madhurima Pandey , S. S. Kalyan Kamal and K. Chandrashekhar2 1Center for Environmental Science Engineering, Department of Engineering Chemistry, Bhilai Institute of Technology, Durg, 491002 (C.G.), India 2Analytical chemistry Group, Defence Metallurgical Research Laboratory (DMRL), Hyderabad 500058 (A.P.), India *Correspondence to Dr. Piyush Kant Pandey: drpiyush_pandey@ Received: 24 August 2007 / Accepted: 05 November 2007 / Published: 31 December 2007 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 d