African Journal of
Biotechnology

  • Abbreviation: Afr. J. Biotechnol.
  • Language: English
  • ISSN: 1684-5315
  • DOI: 10.5897/AJB
  • Start Year: 2002
  • Published Articles: 12487

Full Length Research Paper

Aerobic decolourization of two reactive azo dyes under varying carbon and nitrogen source by Bacillus cereus

  Ola, I. O.1,2*, Akintokun, A. K.1, Akpan, I.1, Omomowo, I. O.1 and Areo, V.O.1  
  1Department of Microbiology, University of Agriculture, Abeokuta, Nigeria. 2Department of Pure and Applied biology, Lautech, Ogbomoso, Nigeria.  
Email: [email protected]

  •  Accepted: 27 November 2009
  •  Published: 01 February 2010

Abstract

 

Bacillus cereus isolated from dye industrial waste, that is, effluent and soil samples was screened for its ability to decolourize two reactive azo dye – cibacron black PSG  and cibacron red P4B under aerobic conditions at pH 7 and incubated at 35°C over a five day period. Different carbon and nitrogen sources were used for the decolourization study. B. cereus was able to decolourize cibacron red P4B by (81%) using the combination of ammonium nitrate and sucrose, while it decolourizes cibacron black PSG by (75%) using yeast extract and lactose.

 

Key words: Bioremediation, decolourization, textile dye, Bacillus cereus.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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