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首页> 外文期刊>African Journal of Biotechnology >Decolorization of the azo dye reactive black 5 using laccase mediator system
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Decolorization of the azo dye reactive black 5 using laccase mediator system

机译：使用漆酶介质系统脱氮染料反应性黑5的脱色

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摘要

Laccase mediator system (LMS) has been widely used in various fields. In this study, we tested the capacity of LMS in the decolorization of a recalcitrant azo dye Reactive Black 5 (RB5). Both acetosyringone and syringaldehyde demonstrated high mediating ability for RB5 decolorization and acetosyringone was proved to be the most efficient mediator. The decolorization process was not significantly affected at various temperature and pH, and the laccase mediator system still maintained high efficiency when the dye concentration increased. The optimized conditions for dye decolorization were 160 mg/L of RB5, 0.5 U/ml of laccase and 0.1 mmol/L of mediator at 40°C and pH 7.0. More than 92% of RB5 was decolorized with acetosyringone as mediator in only 30 min. The results show an enormous potential of this laccase mediator system in the treatment of azo dye effluents.
机译：LACASE介质系统（LMS）已广泛用于各个领域。在这项研究中，我们在顽固的Azo染料反应性黑5（RB5）的脱色中测试了LMS的能力。 Acetosyringone和SyringAldehyde都表现出高介质的RB5脱色，并证明了乙酰菌酮是最有效的介体。在各种温度和pH下脱色过程没有显着影响，并且当染料浓度增加时，漆酶介质系统仍保持高效率。染料脱色的优化条件为160mg / L的RB5，0.5u / ml漆酶，0.1mmol / L介体在40℃和pH 7.0。超过92％的RB5用乙酰苯胺酮作为介质在30分钟内脱色。结果表明，这种漆胶囊系统在治疗AZO染料流出物中的巨大潜力。

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