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摘要:Since the CeO2 materials were found with oxidase-like activity, they were received wide attention because of without the addition of an unstable oxide substrate H2O2 in the catalytic process, while, up to now the research about their application in catalytic oxidation of dye wastewater have hardly been reported. In this paper, flower-like CeO2 were synthesized and were characterized by SEM, XRD. The results showed that these CeO2 materials possessed the intrinsic oxidase activity. The property of flower-like CeO2 removing methyl orange was investigated. It was observed that the degradation rate can reach 77.5% with 40 mg CeO2 dosage and for 2 h at pH 4 when the concentration of methyl orange is 20 mg·L-1. These results provide strong evidence that flower-like CeO2 can be utilized as an oxidase mimetic for efficient catalytic degradation of the dye wastewater.
会议名称:

2018 International Conference on Energy, Power and Materials Engineering (EPME 2018)

会议时间:

2018-04-22

会议地点:

中国北京

  • 专辑:

    工程科技Ⅰ辑

  • 专题:

    环境科学与资源利用

  • 分类号:

    X703

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