Enhanced bio-decolorization of azo dyes by co-immobilized quinone-reducing consortium and anthraquinone

YY Su; Yifeng Zhang; J Wang; JT Zhou; XB Lu; H Lu

doi:10.1016/j.biortech.2009.01.029

Enhanced bio-decolorization of azo dyes by co-immobilized quinone-reducing consortium and anthraquinone

YY Su, Yifeng Zhang, J Wang, JT Zhou, XB Lu, H Lu

Department of Environmental Engineering

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

In the present study, the accelerating effect of co-immobilized anthraquinone and quinone-reducing consortium was investigated in the bio-decolorization process. The anthraquinone and quinone-reducing consortium were co-immobilized by entrapment in calcium alginate. The co-immobilized beads exhibited good catalytic activity and increased the decolorization rate for many kinds of azo dyes. The reusability of the co-immobilized beads was evaluated with repeated-batch decolorization experiments. After ten repeated experiments, the decolorization rate of co-immobilized beads retained over 92.8% of their original value. Furthermore, acclimatized quinone-reducing consortium was analyzed by denaturing gradient gel electrophoresis (DGGE) and 16S rDNA gene sequencing to get the complete picture of its diversity. This study explored a great improvement of conventional treatment system and the new bio-treatment concept. (C) 2009 Elsevier Ltd. All rights reserved.

Original language	English
Journal	Bioresource Technology
Volume	100
Issue number	12
Pages (from-to)	2982-2987
ISSN	0960-8524
DOIs	https://doi.org/10.1016/j.biortech.2009.01.029
Publication status	Published - 2009

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title = "Enhanced bio-decolorization of azo dyes by co-immobilized quinone-reducing consortium and anthraquinone",

abstract = "In the present study, the accelerating effect of co-immobilized anthraquinone and quinone-reducing consortium was investigated in the bio-decolorization process. The anthraquinone and quinone-reducing consortium were co-immobilized by entrapment in calcium alginate. The co-immobilized beads exhibited good catalytic activity and increased the decolorization rate for many kinds of azo dyes. The reusability of the co-immobilized beads was evaluated with repeated-batch decolorization experiments. After ten repeated experiments, the decolorization rate of co-immobilized beads retained over 92.8% of their original value. Furthermore, acclimatized quinone-reducing consortium was analyzed by denaturing gradient gel electrophoresis (DGGE) and 16S rDNA gene sequencing to get the complete picture of its diversity. This study explored a great improvement of conventional treatment system and the new bio-treatment concept. (C) 2009 Elsevier Ltd. All rights reserved.",

author = "YY Su and Yifeng Zhang and J Wang and JT Zhou and XB Lu and H Lu",

year = "2009",

doi = "10.1016/j.biortech.2009.01.029",

language = "English",

volume = "100",

pages = "2982--2987",

journal = "Bioresource Technology",

issn = "0960-8524",

publisher = "Elsevier",

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T1 - Enhanced bio-decolorization of azo dyes by co-immobilized quinone-reducing consortium and anthraquinone

AU - Su, YY

AU - Zhang, Yifeng

AU - Wang, J

AU - Zhou, JT

AU - Lu, XB

AU - Lu, H

PY - 2009

Y1 - 2009

N2 - In the present study, the accelerating effect of co-immobilized anthraquinone and quinone-reducing consortium was investigated in the bio-decolorization process. The anthraquinone and quinone-reducing consortium were co-immobilized by entrapment in calcium alginate. The co-immobilized beads exhibited good catalytic activity and increased the decolorization rate for many kinds of azo dyes. The reusability of the co-immobilized beads was evaluated with repeated-batch decolorization experiments. After ten repeated experiments, the decolorization rate of co-immobilized beads retained over 92.8% of their original value. Furthermore, acclimatized quinone-reducing consortium was analyzed by denaturing gradient gel electrophoresis (DGGE) and 16S rDNA gene sequencing to get the complete picture of its diversity. This study explored a great improvement of conventional treatment system and the new bio-treatment concept. (C) 2009 Elsevier Ltd. All rights reserved.

AB - In the present study, the accelerating effect of co-immobilized anthraquinone and quinone-reducing consortium was investigated in the bio-decolorization process. The anthraquinone and quinone-reducing consortium were co-immobilized by entrapment in calcium alginate. The co-immobilized beads exhibited good catalytic activity and increased the decolorization rate for many kinds of azo dyes. The reusability of the co-immobilized beads was evaluated with repeated-batch decolorization experiments. After ten repeated experiments, the decolorization rate of co-immobilized beads retained over 92.8% of their original value. Furthermore, acclimatized quinone-reducing consortium was analyzed by denaturing gradient gel electrophoresis (DGGE) and 16S rDNA gene sequencing to get the complete picture of its diversity. This study explored a great improvement of conventional treatment system and the new bio-treatment concept. (C) 2009 Elsevier Ltd. All rights reserved.

U2 - 10.1016/j.biortech.2009.01.029

DO - 10.1016/j.biortech.2009.01.029

M3 - Journal article

C2 - 19264480

VL - 100

SP - 2982

EP - 2987

JO - Bioresource Technology

JF - Bioresource Technology

SN - 0960-8524

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ER -