成果信息
Enhanced heterogeneous Fenton-like activity by Cu-doped BiFeO3 perovskite for degradation of organic pollutants
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文献类型:期刊论文
标题:Enhanced heterogeneous Fenton-like activity by Cu-doped BiFeO3 perovskite for degradation of organic pollutants
作者:Mao, Jie[1];Quan, Xie[1];Wang, Jing[1];Gao, Cong[1];Chen, Shuo[1];Yu, Hongtao[1];Zhang, Yaobin[1]
机构:
通讯作者:Quan, X (reprint author), Dalian Univ Technol, Sch Environm Sci & Technol, Minist Educ, Key Lab Ind Ecol & Environm Engn, Dalian 116024, Peoples R China.
来源信息:年:2018  卷:12  期:6  
期刊信息:FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING影响因子和分区  ISSN:2095-2201
年:2018
期刊名称:FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING影响因子和分区
卷:12
期:6
增刊:正刊
学科:环境与生态学
收录情况:SCIE(WOS:000439519400001)  Scopus(2-s2.0-85050405173)  
所属部门:化工与环境生命学部
语言:外文
链接地址:https://www.scopus.com/inward/record.uri?eid=2-s2.0-85050405173&doi=10.1007%2fs11783-018-1060-9&partnerID=40&md5=14038aa896aa891c7f726035cab2e502
发表时间:2018-12-01
ISSN:2095-2201
全文链接:DOI百度学术
被引频次:1
人气指数:1360
浏览次数:1360
基金:National Nature Science Foundation of China [21590813]
关键词:Cu doped BiFeO3; Heterogeneous Fenton-like catalysts; Oxidative degradation
摘要:Heterogeneous Fenton-like reaction has been extensively investigated to eliminate refractory organic contaminants in wastewater, but it usually shows low catalytic performance due to difficulty in reduction from Fe(III) to Fe(II). In this study, enhanced catalytic efficiency was obtained by employing Cu-doped BiFeO3 as heterogeneous Fenton-like catalysts, which exhibited higher catalytic performance toward the activation of H2O2 for phenol degradation than un-doped BiFeO3. BiFe0.8Cu0.2O3 displayed the best performance, which yielded 91% removal of phenol (10 mg L-1) in 120 min. The pseudo first-order kinetic rate constant of phenol degradation in BiFe0.8Cu0.2O3 catalyzed heterogeneous Fenton-like reaction was 5 times higher than those of traditional heterogeneous Fenton-like catalysts, such as Fe3O4 and goethite. The phenol degradation efficiency could still reach 83% after 4 cycles, which implied the good stability of BiFe0.8Cu0.2O3. The high catalytic activity of BiFe0.8Cu0.2O3 was attributed to the fact that the doping Cu into BiFeO3 could promote the generation of Fe(II) in the catalyst and then facilitate the activation of H2O2 to degrade the organic pollutants.
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