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题名: Synergistic removal of dyes by Myrothecium verrucaria immobilization on a chitosan-Fe membrane
作者: Wen, Yuezhong1;  Liang, Ying2;  Shen, Chensi3;  Wang, Hongkai4;  Fu, Dongmei5;  Wang, Hongyu2
刊名: RSC ADVANCES
发表日期: 2015
DOI: 10.1039/c5ra11320b
卷: 5, 期:83, 页:68200-68208
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: A green efficient strategy for the combination of biodegradation and adsorption methods is urgently desired nowadays to degrade dyes in an economical and effective way. In this study, a kind of novel, environmentally friendly and efficient hybrid for the fungus and chitosan-Fe membrane has been fabricated by the alginate approach. Myrothecium verrucaria I-5 and C-1, deuteromycete fungi capable of producing laccase to degrade dyes, have been used. It is found that the chitosan-Fe membrane can excellently immobilize the fungi mycelia and enzyme, and after the immobilization, the fungi and enzyme still maintain a high activity after the dye decolorization. Also, the immobilized fungi membranes have been proved to have a high efficiency for dye decolorization. Simultaneously, the decolorization ability of the crude enzymes, which are extracted from I-5 and C-1 medium, and the decolorization ability of chitosan-Fe membrane are also investigated, respectively. The results demonstrate that the dyes can be removed by the fungi and the membrane synergistically. In addition, different kinds of dyes are successfully removed with chitosan-Fe immobilized fungi membranes. These results demonstrate that dyes are first adsorbed on the chitosan-Fe membrane, decreasing the toxicity to the fungus, and then bio-degraded by the laccase produced from the fungi on the membrane.
关键词[WOS]: WHITE-ROT FUNGUS ;  TEXTILE EFFLUENT ;  WASTE-WATER ;  AZO DYES ;  LACCASE ;  DECOLORIZATION ;  ADSORPTION ;  BIODEGRADATION ;  DETOXIFICATION ;  OXIDATION
语种: 英语
WOS记录号: WOS:000359537000094
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146461
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Zhejiang Univ, Inst Environm Sci, Hangzhou 310058, Zhejiang, Peoples R China
2.Zhejiang Univ Technol, Coll Civil Engn & Architecture, Hangzhou 310032, Zhejiang, Peoples R China
3.Donghua Univ, Coll Environm Sci & Engn, Shanghai 201620, Peoples R China
4.Zhejiang Univ, Inst Biol, Hangzhou 310058, Zhejiang, Peoples R China
5.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Wen, Yuezhong,Liang, Ying,Shen, Chensi,et al. Synergistic removal of dyes by Myrothecium verrucaria immobilization on a chitosan-Fe membrane[J]. RSC ADVANCES,2015,5(83):68200-68208.
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