Synthesis and Characterization of Biomimetic Fe3O4/Coke Magnetic Nanoparticles Composite Material
来源期刊：Journal Of Wuhan University Of Technology Materials Science Edition2016年第2期
论文作者：卢露露 李文兵 WANG Guanghua ZHANG Zheng WAN Dong Lü Lijun LIU Nianru CHEN Biao JIANG Shiyun
文章页码：254 - 259
摘 要：A composite material（Fe3O4/Coke）using coke supported Fe3O4 magnetic nanoparticles was successfully prepared via an in-situ chemicaloxidation precipitation method and characterized by SEM,XRD,Raman,and FTIR.The results showed that the Fe3O4 nanoparticles existed steadily on the surface of coke,with better dispersing and smaller particle size.The catalytic ability of Fe3O4/Coke were investigatied by degrading p-nitrophenol（P-NP）.The results showed that the apparent rate constant for the P-NP at 1.0 g·L-1 catalyst,30 mmol·L-1 H2O2,pH=3.0,30 ℃ and the best ratio of Coke/Fe3O4 0.6,was evaluated to be 0.027 min-1,the removalrate of CODCr was 75.47%,and the dissolubility of Fe was 2.42 mg·L-1.Compared with pure Fe3O4,the catalytic ability of Fe3O4/Coke in the presence of H2O2 was greatly enhanced.And Fe3O4/Coke was a green and environmentalcatalyst with high catalytic activity,showing a good chemicalstability and reusability.
卢露露1，李文兵1，WANG Guanghua1，ZHANG Zheng1，WAN Dong1，Lü Lijun1，LIU Nianru1，CHEN Biao1，JIANG Shiyun2
1. College of Chemical Engineering and Technology,Wuhan University of Science and Technology2. College of Biological and Chemicial Engineering,Guangxi University of Science and Technology
摘 要：A composite material（Fe3O4/Coke）using coke supported Fe3O4 magnetic nanoparticles was successfully prepared via an in-situ chemicaloxidation precipitation method and characterized by SEM,XRD,Raman,and FTIR.The results showed that the Fe3O4 nanoparticles existed steadily on the surface of coke,with better dispersing and smaller particle size.The catalytic ability of Fe3O4/Coke were investigatied by degrading p-nitrophenol（P-NP）.The results showed that the apparent rate constant for the P-NP at 1.0 g·L-1 catalyst,30 mmol·L-1 H2O2,pH=3.0,30 ℃ and the best ratio of Coke/Fe3O4 0.6,was evaluated to be 0.027 min-1,the removalrate of CODCr was 75.47%,and the dissolubility of Fe was 2.42 mg·L-1.Compared with pure Fe3O4,the catalytic ability of Fe3O4/Coke in the presence of H2O2 was greatly enhanced.And Fe3O4/Coke was a green and environmentalcatalyst with high catalytic activity,showing a good chemicalstability and reusability.
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