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E3 Journal of Environmental Research and Management

E3 Journal of Environmental Research and Management Vol. 7 (1) pp. 025-028, August 2016; © E3 Journals; ISSN 2141-7466
DOI: http://dx.doi.org/10.18685/EJERM(7)1_EJERM-16-013

Screening and characterization of bacteria for decolorizing of Azo Dye

Churn-Hai Zhao1 * , Zhigang Liu1 , Hui dong LI1 , Zhenqing Li1
1 Bin Zhou Binzhou Polytechnic, Key Laboratory of Agrobiotechnology of Binzhou 256603 China
*Corresponding Author E-mail: shepherd@bzpt.edu.cn
Accepted 1 January 2016

Abstract

Azo dye is a mainly pollution, the concentration of azo dye from the waste water is very high, it is difficult to decolour and degrade azo dye in nature. Bacteria have the ability to decolour and degrade, it can be biosorption the dye. Four strains were screened and identificated by the morphology of colonies and individual observation, Gram staining, flagella staining, spores formation experiment, physiological and biochemical reactions, these are belong to Bacillus, kurlhia, Klebsiella, the decolorization rate of four strains was more than 70%.

Keywords: screeningï¼› characterizationï¼›azo dyeï¼›decolorizing

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