Textile Effluent Biodegradation Potentials of Textile Effluent-Adapted and Non-Adapted Bacteria
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Date
2006-06
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Academic Journals
Abstract
Environmental pollution has been recognized as one of the major problems of the modern world. The
increasing demand for water and the dwindling supply has made the treatment and reuse of industrial
effluents an attractive option. Textile effluents are of concern because they colour the drains and
ultimately the water bodies. They also diminish the water quality. The ability of microorganisms to
degrade and metabolize a wide variety of compounds has been recognized and exploited in various
biotreatment processes. This study investigated the potential of bacteria isolated from textile industries
wastewater and drains (textile effluent adapted bacteria) and isolates from a municipal landfill (effluent
non-adapted bacteria). We discovered effluent adapted strains of Acinetobacter, Bacillus and Legionella
with potentials for colour removal and strains of Acinetobacter, Bacillus and Pseudomonas with
chemical oxygen demand (COD) removal activities. Only strains of Bacillus with potential for use in
colour and COD removal were isolated from the landfill. Plasmid screening did not reveal the presence
of plasmids in the isolates. Thus the involvement of extra-chromosomal genes is not suggested. In
conclusion, as a preliminary step in the development of textile effluent biotreatment using indigenous
microbes, we have discovered some strains with potency to decolourize and/or remove COD.
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Keywords
Textile effluent, Biodegradation, Decolourization, COD removal, Dyes
Citation
Olukanni O.D., Osuntoki A.A. and Gbenle G.O. (2006). Textile effluent biodegradation potentials of textile effluent – adapted and non – adapted bacteria. African Journal of Biotechnology, 5 (20): 1980-1984.