Decolorization of mixtures of different reactive textile dyes by the white-rot basidiomycete Phanerochaete sordida and inhibitory effect of polyvinyl alcohol

被引：47

作者：

Harazono, K ^{[1
]}

Nakamura, K ^{[1
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Inst Biol Resources & Funct, Tsukuba, Ibaraki 3058566, Japan

来源：

CHEMOSPHERE | 2005年 / 59卷 / 01期

关键词：

dye decolorization; white-rot fungi; Phanerochaete sordida; manganese peroxidase; polyvinyl alcohol;

D O I：

10.1016/j.chemosphere.2004.09.104

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

We tried to decolorize mixtures of four reactive textile dyes, including azo and anthraquinone dyes, by a white-rot basidiomycete Phanerochaete sordida. P. sordida decolorized dye mixtures (200 mgl(-1) each) by 90% within 48 h in nitrogen-limited glucose-ammonium media. Decolorization of dye mixtures needed Mn2+ and Tween 80 in the media. Manganese peroxidase (MnP) played a major role in dye decolorization by P. sordida. Decolorization of dye mixtures by P. sordida was partially inhibited by polyvinyl alcohol (PVA) that wastewaters from textile industries often contain. This was caused by an inhibitory effect of PVA on the decolorization of Reactive Red 120 (RR120) with MnP reaction system. Second addition of Tween 80 to the reaction mixtures in the presence of PVA improved the decolorization of RR120. These results suggest that PVA could interfere with lipid peroxidation or subsequent attack to the dye. (c) 2004 Elsevier Ltd. All rights reserved.

引用

页码：63 / 68

页数：6

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