Adsorption of Cobalt Ions onto Mycobacterium phlei from Wastewaters

Yan Xing

doi:10.4028/www.scientific.net/AMM.71-78.2249

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Waste Heat Recovery and Reuse of Flue Gas in Copper Pyrometallurgy
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Adsorption of Cobalt Ions onto Mycobacterium phlei from Wastewaters
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 71-78Adsorption of Cobalt Ions onto Mycobacterium phlei...

Adsorption of Cobalt Ions onto Mycobacterium phlei from Wastewaters

Abstract:

This fundamental work deals with the biosorption removal of Co(II) using a Mycobacterium phlei strain. Several variables that have an effect on the capacity of cobalt biosorption from aqueous solution by Mycobacterium phlei were studied. particularly the effects of solution pH, initial Co(II) concentration, contact time and biomass dose. The experimental data were modeled by Langmuir and Freundlich isotherm models. Langmuir model resulted in the best fit of the adsorption data. The maximum adsorption capacity for Co(II) was 68.22 mg/g. The best correlation was provided by the second-order kinetic model, implying that chemical sorption was the rate-limiting step. The practical implication of this study is the development of an effective and economic technology for Co(II) removal from wastewaters.

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Periodical:

Applied Mechanics and Materials (Volumes 71-78)

Pages:

2249-2252

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.71-78.2249

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Online since:

July 2011

Authors:

Yan Xing

Keywords:

Adsorption Isotherm, Adsorption Kinetics, Cobalt, Mycobacterium phlei, Wastewater

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