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Vol. 4(2)
February 2015
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Mohamed RM
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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
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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
Email:
rehab_mustafa@yahoo.com
Accepted 05 February, 2015
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Abstract |
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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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