Abstract
Reactive Black 5 industrial dyeing effluent was decolourized by free and immobilized laccase. The stability of the enzyme (194 h free and 79 h immobilized) depended on the dyeing liquor composition and the chemical structure of the dye. In the decolourization experiments with immobilized laccase, two phenomenons were observed – decolourization due to adsorption on the support (79%) and dye degradation due to the enzyme action (4%). Dyeing in the enzymatically recycled effluent provided consistency of the colour with both bright and dark dyes.
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Zille, A., Tzanov, T., Gübitz, G.M. et al. Immobilized laccase for decolourization of Reactive Black 5 dyeing effluent. Biotechnology Letters 25, 1473–1477 (2003). https://doi.org/10.1023/A:1025032323517
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DOI: https://doi.org/10.1023/A:1025032323517