Global Advanced Research Journal of Microbiology (GARJM) ISSN: 2315-5116

February, 2015. Vol. 4(2), pp 018-026

Copyright © 2015 Global Advanced Research Journals


Full Length Research Paper

Biosorption of zinc and cadmium by Klebsiella pneumonia KM609983 isolated from Sohag, Egypt

Rehab M. Mohamed


Department of Botany, Faculty of Science, Sohag University, Sohag, Egypt


Accepted 05 February, 2015




Biosorption experiments for zinc (Zn+2) and cadmium (Cd+2) were investigated in this study using living and lyophelized biomass of a bacterial strain isolated from waste water of Rawafeih Al-Kusairdrainat, Sohag governorate in Egypt. It was identified as Klebsiella pneumonia KM609983. The experimental adsorption data were fitted towards the models postulated by Langmuir and Freundlich isotherms equations. The maximum biosorption capacities for zinc and cadmium obtained by using lyophelized and living cells were 243.9 and 227.3mg/g, respectively, indicating higher efficiency of lyophilized cells to heavy metals compared to living cells.

Keywords: Biosorption-Klebsiella pneumonia KM609983-Zinc- Cadmium- Sohag- Egypt.



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