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Integration of microbial fuel cell and catalytic oxidation reactor with iron phthalocyanine catalyst for Congo red degradation

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论文类型: 期刊论文

第一作者: Yuan, Guang-En

通讯作者: Yuan, GE (reprint author), Henan Normal Univ, Sch Environm, Key Lab Yellow River & Huai River Water Environm, Henan Key Lab Environm Pollut Control,Minist Educ, Xinxiang 453007, Henan, Peoples R China.

合写作者: Li, Yunbei,Lv, Jinghua,Zhang, Guoquan,Yang, Fenglin

发表时间: 2017-04-15

发表刊物: BIOCHEMICAL ENGINEERING JOURNAL

收录刊物: SCIE、EI

卷号: 120

页面范围: 118-124

ISSN号: 1369-703X

关键字: Microbial fuel cell; Catalytic oxidation; Iron phthalocyanine; Decolorization; LC-MS analysis

摘要: An integrated system of a microbial fuel cell (MFC) and a catalytic oxidation reactor (COR) was developed. In the MFC-COR system, H2O2 generated at the MFC cathode and residual dissolved oxygen could both be used as oxidants for Congo red degradation in the presence of iron phthalocyanine-based catalyst. Over 90% of Congo red was degraded within 72 h in neutral solution. The open-circuit potential and maximum power density of the MFC reactor were measured as 0.615 V and 808.3 mW/m(3), respectively. The iron phthalocyanine-based catalyst was still active enough even after 33 cycles of operation. LC-MS analysis showed that Congo red was decomposed into less toxic and more biodegradable organics including malonic acid and maleic acid. This MFC-COR system can be a promising alternative for simultaneously biodegradable and refractory pollutant removal. (C) 2017 Elsevier B.V. All rights reserved.

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