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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
environmental science
Biosorption of lead and nickel by living and non-living cells of Pseudomonas aeruginosa ASU 6a
International Biodeterioration and Biodegradation, Volume 62, No. 2, Year 2008
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Description
The optimum conditions for biosorption and bioaccumulation of lead and nickel were investigated by using a tolerant bacterial strain isolated from El-Malah canal, Assiut, Egypt, and identified as Pseudomonas aeruginosa ASU 6a. The experimental adsorption data were fitted towards the models postulated by Langmuir and Freundlich isotherm equations. The binding capacity by living cells is significantly lower than that of dead cells. The maximum biosorption capacities for lead and nickel obtained by using non-living cells and living cells were 123, 113.6 and 79, 70 mg/g, respectively. The biosorptive mechanism was confirmed by IR analysis and from the identification nature of acidic and basic sites. Moreover, the postulated mechanism was found to depend mainly on ionic interaction and complex formation. © 2008 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Gabr, Rabei M.
Egypt, Asyut
Faculty of Science
Hassan, Sedky H.A.
Egypt, Asyut
Faculty of Science
Shoreit, Ahmed Abdelfattah Mohamed
Egypt, Asyut
Faculty of Science
Statistics
Citations: 226
Authors: 3
Affiliations: 1
Identifiers
Doi:
10.1016/j.ibiod.2008.01.008
ISSN:
09648305
Study Locations
Egypt