Self-assembled bacterial cellulose-based photo-enzyme coupled system enabled by visible light-driven for efficient dye degradation

被引:0
作者
Yu, Yajing [1 ]
Wu, Dingsheng [1 ,3 ]
Liu, Danyu [1 ]
Zhang, Jingli [1 ]
Xie, Lixi [1 ]
Feng, Quan [3 ]
Ke, Huizhen [4 ]
Tong, Yingjia [2 ]
Wei, Qufu [1 ]
Lv, Pengfei [1 ]
机构
[1] Jiangnan Univ, Key Lab Ecotext, Minist Educ, Wuxi 214122, Jiangsu, Peoples R China
[2] Jiangnan Univ, Sch Life Sci & Hlth Engn, Wuxi 214122, Jiangsu, Peoples R China
[3] Anhui Polytech Univ, Coll Text & Clothing, Key Lab Text Fabr, Wuhu 241000, Anhui, Peoples R China
[4] Minjiang Univ, Fujian Key Lab Novel Funct Text Fibers & Mat, Fuzhou 350108, Peoples R China
基金
中国国家自然科学基金;
关键词
Laccase; Metal-organic framework; Photo-enzyme catalysts; Water treatment; METHYLENE-BLUE; LACCASE; PHOTOCATALYSIS; REDUCTION;
D O I
10.1016/j.biortech.2024.131324
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
To achieve efficient dye degradation, we reported a visible light-driven biomass photo-enzyme coupled system, which was constructed by assembling g-C3N4 3 N 4 during in situ culture and immobilizing laccase via metal-organic framework (MOF). Benefited from the network and porous structure of bacterial cellulose (BC), the g-C3N4 3 N 4 could be stably interspersed, and MOF grew g-C3N4/BC 3 N 4 /BC to encapsulate laccase. BC improves the reusability of the system, while combined with MOF encapsulation, avoiding direct contact between photo- and enzyme- catalysts. Importantly, thanks to the existence of electron transfer from photocatalysis to enzyme, the photogenerated electron hole recombination within the photocatalyst reduced, improving catalyzed reaction efficiency. The degradation efficiency of the catalysis system within 10 min for methylene blue and rhodamine B could reach
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页数:9
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