Heterogeneous activation of Oxone by substituted magnetites Fe3-xMxO4 (Cr, Mn, Co, Ni) for degradation of Acid Orange II at neutral pH
Wei, GL; Liang, XL; He, ZS; Liao, YS; Xie, ZY; Liu, P; Ji, SC; He, HP; Li, DQ; Zhang, J; Zhang J(张静)
刊名JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
2015
卷号398页码:86-94
关键词Substituted magnetite Heterogeneous degradation Oxone EXAFS Sulfate radicals
学科分类Chemistry
DOI10.1016/j.molcata.2014.11.024
文章类型Article
英文摘要In this study, the effect of incorporation of transition metals (i.e., Co, Mn, Cr, and Ni) into the magnetite on the reactivity towards Oxone activation was investigated at neutral pH. The magnetite samples were characterized by XRD and EXAFS. Co, Cr, and Ni were in the valences of +2, +3, and +2, respectively, while Mn was in the valences of +2 and +3. These cations occupied the octahedral sites of magnetite, but the distribution of Mn and Ni on the octahedral sites of magnetite surface increased with an increase of substitution extent. The activity of magnetites in Oxone activation was investigated through Acid Orange II (AOII) degradation at an initial pH of 7.0 with or without phosphate-buffered solution. In neutral medium, the AOII degradation by Mn, Cr, and Ni substituting magnetites followed pseudo-first-order kinetics. The incorporation of Co, Mn, and Ni improved the catalytic activity of magnetite in the order Mn
类目[WOS]Chemistry, Physical
收录类别SCI ; EI
WOS记录号WOS:000352115600012
引用统计
被引频次:35[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228358
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
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Wei, GL,Liang, XL,He, ZS,et al. Heterogeneous activation of Oxone by substituted magnetites Fe3-xMxO4 (Cr, Mn, Co, Ni) for degradation of Acid Orange II at neutral pH[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2015,398:86-94.
APA Wei, GL.,Liang, XL.,He, ZS.,Liao, YS.,Xie, ZY.,...&张静.(2015).Heterogeneous activation of Oxone by substituted magnetites Fe3-xMxO4 (Cr, Mn, Co, Ni) for degradation of Acid Orange II at neutral pH.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,398,86-94.
MLA Wei, GL,et al."Heterogeneous activation of Oxone by substituted magnetites Fe3-xMxO4 (Cr, Mn, Co, Ni) for degradation of Acid Orange II at neutral pH".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 398(2015):86-94.
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