Effective removal of methylene blue and orange II by subsequent immobilized laccase decolorization on crosslinked polymethacrylate/carbon nanotubes

被引：19

作者：

Lai, Yuxian ^{[1
]}

Wang, Fei ^{[2
]}

Zhang, Yimei ^{[1
,2
]}

Ou, Ping ^{[3
]}

Wu, Panpan ^{[1
]}

Fang, Qinglu ^{[1
]}

Li, Shuai ^{[2
]}

Chen, Zhuang ^{[2
]}

机构：

[1] North China Elect Power Univ, Coll Environm Sci & Engn, Beijing 102206, Peoples R China

[2] North China Elect Power Univ, Suzhou Res Acad, Lab Environm Remediat & Funct Mat, Suzhou 215213, Peoples R China

[3] Suzhou Univ Sci & Technol, Suzhou 215009, Peoples R China

来源：

MATERIALS RESEARCH EXPRESS | 2019年 / 6卷 / 08期

基金：

中国国家自然科学基金;

关键词：

methylene blue; orange II; crosslinked; immobilized laccase; carbon nanotubes; CARBON NANOTUBES; TRAMETES-VERSICOLOR; IRON NANOPARTICLES; DEGRADATION; DYES; NANOCOMPOSITE; CHITOSAN; BIODEGRADATION; POLYMERIZATION; DETOXIFICATION;

D O I：

10.1088/2053-1591/ab26a5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this research, methylene blue (MB) and orange II (OII) were effectively removed through subsequent immobilized laccase degradation on crosslinked polymethacrylate (PMMA)/carbon nanotubes (CNTs). PMMA was coated on CNTs by microemulsion polymerization, and then laccase was immobilized on the PMMA-CNTs. Laccase immobilized on PMMA-CNTs shows a high catalytic ability and stable reusability. The immobilized laccase exhibits a high specific laccase activity and a high decolorization rate on the azo dyes, which the maximum decolorization rate for MB can reach 96% and maximum decolorization rate for OH is 74%. Additionally, the decolorization rate was decreased only about 10% after 10 successive cycles. The immobilized laccase can be a promising multifunction material in wastewater treatment, which would be applied in the decolorization of azo dyes.

引用

页数：10

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