Selection of Pseudomonas for industrial textile dyes decolourization

Pigment is the first contaminant to be recognised in bodies of water and wastewater. Besides the aesthetic problem, dyes obstruct light and reduce oxygen mass transfer. This paper describes the selection of Pseudomonas strains with the ability to remove colour from textile industrial dyes. Four Pseu...

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Bibliographic Details
Published in:International biodeterioration & biodegradation 2009-03, Vol.63 (2), p.230-235
Main Authors: Silveira, E., Marques, P.P., Silva, S.S., Lima-Filho, J.L., Porto, A.L.F., Tambourgi, E.B.
Format: Article
Language:English
Subjects:
Color
Colour
Colour removal
Colour removal rate
Contaminants
Culture
Decolourization
Dyes
Industrial textiles
Liquids
Mass transfer
Pigments
Plate selection
Plates
Pseudomonas
Pseudomonas aeruginosa
Pseudomonas cepacia
Pseudomonas oleovorans
Pseudomonas putida
Strain
Textile dyes
Textiles
Waste water
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Summary:Pigment is the first contaminant to be recognised in bodies of water and wastewater. Besides the aesthetic problem, dyes obstruct light and reduce oxygen mass transfer. This paper describes the selection of Pseudomonas strains with the ability to remove colour from textile industrial dyes. Four Pseudomonas species were tested against 14 commercial industrial dyes. Pseudomonas cepacia exhibited no growth at all on plates containing dyes (1 g l −1), whereas Pseudomonas aeruginosa, Pseudomonas oleovorans and Pseudomonas putida exhibited considerable growth. Decolourization in a liquid culture revealed that P. oleovorans is more viable for decolourizing textile dyes, as it achieved over 80% colour removal for two of the 14 dyes studied; it also proved to be more tolerant to high dye concentrations.
ISSN:0964-8305
1879-0208
DOI:10.1016/j.ibiod.2008.09.007