A Comparative Study of Cr-Tolerance and Removal Capacity of Different Strains

Li Hua Liang; Dai Di Fan; Liu Yang; Pei Ma; Xiao Li Zhu

doi:10.4028/www.scientific.net/AMR.518-523.44

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 518-523A Comparative Study of Cr-Tolerance and Removal...

A Comparative Study of Cr-Tolerance and Removal Capacity of Different Strains

Abstract:

Chromium(Ⅵ) is hazardous to environment. It can be efﬁciently removed by chromate resistant bacterial consortium. In this study five bacterial strains were isolated and cultured in liquid media containing Cr(Ⅵ) ions. The result shows that they grew better after culturing 24h than 48h and 72h. In the assay removing Cr(Ⅵ) by these strains, all of them presented excellent bioaccumulation abilities. When inital Cr(Ⅵ) ions concentration was 650mg/l, strain 2-7 displayed a best removal potential of 85.8% removal and 24.83 mg/g•h^-1 uptake rate. However, it seemed that the resistance and the removal potential of heavy metal had no direct connection.

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Periodical:

Advanced Materials Research (Volumes 518-523)

Pages:

44-47

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.518-523.44

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Online since:

May 2012

Authors:

Li Hua Liang, Dai Di Fan, Liu Yang, Pei Ma, Xiao Li Zhu

Keywords:

Bacterial Strain, Cr(VI) Tolerance, Removal Efficiency

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