Abstract
Treatment of effluents containing phenols such as textile dyes with fungal laccases is usually limited to the acid to neutral pH range and moderate temperatures. Here we demonstrate for the first time that spore-bound laccases which are stable at high temperatures and pH values can be used for phenolic dye decolorisation. Laccase containing spores from Bacillus SF were immobilized on alumina pellets. Both immobilized and free spores were able to completely decolorize the common textile dyes Mordant Black 9, Mordant Brown 96/Mordant Brown 15, and Acid Blue 74 within 90 min of incubation time and decolorized solutions were successfully used in re-dyeing.
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This study was supported by the European Project BIOEFFTEX and the Competence Centre Applied Biocatalysis
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Held, C., Kandelbauer, A., Schroeder, M. et al. Biotransformation of phenolics with laccase containing bacterial spores. Environ Chem Lett 3, 74–77 (2005). https://doi.org/10.1007/s10311-005-0006-1
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DOI: https://doi.org/10.1007/s10311-005-0006-1