期刊
BIOTECHNOLOGY LETTERS
卷 25, 期 17, 页码 1473-1477出版社
KLUWER ACADEMIC PUBL
DOI: 10.1023/A:1025032323517
关键词
decolourization; laccase; recycling of dyeing effluents; stability
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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