Citation: Lei Xiaoman, You Menghan, Pan Fei, Liu Min, Yang Peng, Xia Dongsheng, Li Qiang, Wang Yanting, Fu Jie. CuFe₂O₄@GO nanocomposite as an effective and recoverable catalyst of peroxymonosulfate activation for degradation of aqueous dye pollutants[J]. Chinese Chemical Letters, ;2019, 30(12): 2216-2220. doi: 10.1016/j.cclet.2019.05.039 shu

CuFe₂O₄@GO nanocomposite as an effective and recoverable catalyst of peroxymonosulfate activation for degradation of aqueous dye pollutants

Lei Xiaoman ^a ,
You Menghan ^a ,
Pan Fei ^a,*, ,
Liu Min ^a ,
Yang Peng ^a ,
Xia Dongsheng ^a ,
Li Qiang ^a ,
Wang Yanting ^b ,
Fu Jie ^a,b,*,

a.
School of Environmental Engineering, Wuhan Textile University, Engineering Research Centre for Clean Production of Textile Dyeing and Printing, Ministry of Education, Wuhan 430073, China
b.
Department of Environmental Science & Engineering, Fudan University, Shanghai 200438, China

fpan@wtu.edu.cn

jiefu@fudan.edu.cn

Received Date: 8 April 2019
Revised Date: 17 May 2019
Accepted Date: 20 May 2019
Available Online: 23 December 2019

Figures(4)

Recently, heterogeneous activation of peroxymonosulfate (PMS) to oxidatively degrade organic pollutants has been a hotspot. In the present work, copper ferrite-graphite oxide hybrid (CuFe₂O₄@GO) was prepared and used as catalyst to activate PMS for degradation of methylene blue (MB) in aqueous solution. A high degradation efficiency (93.3%) was achieved at the experimental conditions of 20 mg/L MB, 200 mg/L CuFe₂O₄@GO, 0.8 mmol/L PMS, and 25℃ temperature. Moreover, CuFe₂O₄@GO showed an excellent reusability and stability. The effects of various operational parameters including pollutant type, solution pH, catalyst dosage, PMS dosage, pollutant concentration, temperature, natural organic matter (NOM), and inorganic anions on the catalytic degradation process were comprehensively investigated and elucidated. The further mechanistic study revealed the Cu(Ⅱ)/Cu(Ⅰ) redox couple on CuFe₂O₄@GO played the dominant role in PMS activation, where both hydroxyl and sulfate radicals were generated and proceeded the degradation of pollutants. In general, CuFe₂O₄@GO is a promising heterocatalyst for PMS-based advanced oxidation processes (AOPs) in wastewater treatment.
- CuFe₂O₄@GO,
- Peroxymonosulfate,
- Methylene blue,
- Sulfate radical,
- Advanced oxidation processes
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CuFe2O4@GO nanocomposite as an effective and recoverable catalyst of peroxymonosulfate activation for degradation of aqueous dye pollutants

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通讯作者: 陈斌, bchen63@163.com

CuFe₂O₄@GO nanocomposite as an effective and recoverable catalyst of peroxymonosulfate activation for degradation of aqueous dye pollutants