A photo-Fenton self-cleaning membrane based on NH2-MIL-88B (Fe) and graphene oxide to improve dye removal performance

被引：107
作者：
Gao, Yixuan [1 ,2 ]
Yan, Siming [2 ]
He, Yi [1 ,2 ]
Fan, Yi [1 ,3 ]
Zhang, Liyun [1 ,2 ]
Ma, Jing [1 ,2 ]
Hou, Ruitong [1 ,2 ]
Chen, Li [4 ]
Chen, Jingyu [5 ]
机构：
[1] Southwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Sichuan, Peoples R China
[2] Southwest Petr Univ, Coll Chem & Chem Engn, Chengdu 610500, Sichuan, Peoples R China
[3] Chengdu Graphene Applicat Inst Ind Technol, Chengdu 611130, Sichuan, Peoples R China
[4] Chengdu Med Coll, Sch Pharm, Chengdu 610500, Sichuan, Peoples R China
[5] Chengdu Evermat Tec Co, Chengdu 610500, Sichuan, Peoples R China
来源：
JOURNAL OF MEMBRANE SCIENCE | 2021年 / 626卷
基金：
中国国家自然科学基金;
关键词：
Graphene oxide; Polyacrylic acid; Fe (III)-Based metal-organic framework; Photo-Fenton reaction; Self-cleaning;
D O I：
10.1016/j.memsci.2021.119192
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Herein, a novel membrane with polyacrylic acid (PAA), NH2-MIL-88B(Fe) (NM88B), and graphene oxide (GO) was fabricated via a simple vacuum filter method equipped with the nylon membrane substrate. The composite membrane (PAA@NM88B/GO membrane) retained the laminated structure of GO, and PAA@NM88B was used as the photo-Fenton catalytic nano-filler to intercalate GO. Through a series of material characterization and membrane separation performance tests, the results showed that by introducing porous NM88B and PAA cross-linking modification, PAA@NM88B/GO membrane had excellent hydrophilicity, water flux and dye rejection performance. The flux of the PAA@NM88B/GO membrane was 68.21 L m(-2) h(-1) bar(-1), which is about 15 times higher than that of GO membrane. In addition, the composite membrane had a high rejection (over 97%) for methylene blue (MB), crystal violet (CV) and Congo red (CR). More importantly, PAA@NM88B/GO membrane can also be used to degrade textile wastewater in real life. The membrane can be used as a catalyst to degrade contaminants, and had a high removal of MB in 40 min (98.79%) under the synergistic effect of membrane adsorption and photocatalysis. Therefore, the results indicated that this new type of PAA@NM88B/GO membrane had potential applications in water purification and actual textile wastewater treatment.
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页数：12
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