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Mussel-inspired co-deposition to enhance bisphenol A removal in a bifacial enzymatic membrane reactor
Cao, Xiaotong1,2; Luo, Jianquan1,2; Woodley, John M.3; Wan, Yinhua1,2
2018-03-15
发表期刊CHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
卷号336页码:315-324
摘要In this study, the biocatalytic membranes were prepared by 'reverse filtration' of laccase and subsequently various mussel-inspired coating strategies: single dopamine (DA) deposition, DA/polyethyleneimine (PEI) co-deposition, and DA/Cu2+ co-deposition, where nanofiltration (NF) membranes were used as the matrix to further exploit the potential of the biocatalytic membranes. Such prepared biocatalytic membranes were enzymatically active on both sides, making it possible to construct a bifacial enzymatic membrane reactor (EMR) for highly efficient micro-pollutants removal (taking bisphenol A (BPA) as an example). Compared with the single polydopamine (PDA) coated membrane, the biocatalytic membranes prepared by DA/PEI and DA/Cu2+ co-depositions exhibited much better performances in terms of enzyme loading, activity and permeability as well as the stability of immobilized enzyme. The BPA removal efficiency was highest for the EMR with the PDA/Cu2+ coated membrane attributed to copper-enhanced electron transfer, while it was lowest for the EMR with the PDA/PEI coated membrane due to the high diffusional resistance of the dense PDA/PEI layer. Meanwhile, the mechanism for performance deterioration of biocatalytic membrane during BPA treatment was revealed, and it was found that the trade-off between BPA removal efficiency and long-term stability could be broken by applying the bifacial EMR with PDA/Cu2+ coated membrane in flow-through mode, since the pressure-induced convective mass transfer improved the substrate accessibility to enzyme together with products removal.
关键词Laccase Immobilization Biocatalytic Membrane Micro-pollutant Tertiary Wastewater Treatment Enzymatic Membrane Reactor
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.cej.2017.12.042
收录类别SCI
语种英语
关键词[WOS]WASTE-WATER ; CERAMIC MEMBRANES ; LACCASE ; DEGRADATION ; BIOTRANSFORMATION ; MICROPOLLUTANTS ; IMMOBILIZATION ; NANOPARTICLE ; ADSORPTION ; FILTRATION
WOS研究方向Engineering
WOS类目Engineering, Environmental ; Engineering, Chemical
项目资助者National Science Foundation of China(21506229) ; 100 Talents Program ; Youth Innovation Promotion Association of Chinese Academy of Sciences(2017069)
WOS记录号WOS:000427614800030
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24105
专题生化工程国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Tech Univ Denmark, Dept Chem & Biochem Engn, DK-2800 Lyngby, Denmark
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Cao, Xiaotong,Luo, Jianquan,Woodley, John M.,et al. Mussel-inspired co-deposition to enhance bisphenol A removal in a bifacial enzymatic membrane reactor[J]. CHEMICAL ENGINEERING JOURNAL,2018,336:315-324.
APA Cao, Xiaotong,Luo, Jianquan,Woodley, John M.,&Wan, Yinhua.(2018).Mussel-inspired co-deposition to enhance bisphenol A removal in a bifacial enzymatic membrane reactor.CHEMICAL ENGINEERING JOURNAL,336,315-324.
MLA Cao, Xiaotong,et al."Mussel-inspired co-deposition to enhance bisphenol A removal in a bifacial enzymatic membrane reactor".CHEMICAL ENGINEERING JOURNAL 336(2018):315-324.
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