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Catalytic oxidation of formaldehyde over Pt/Fe_2O_3 catalysts prepared by different method

机译:不同方法制备的Pt / Fe_2O_3催化剂对甲醛的催化氧化

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摘要

Iron oxide supported platinum catalysts were prepared by different methods, including co-precipitation, impregnation and colloid deposition methods. The catalytic properties of these catalysts were investigated for the complete oxidation of formaldehyde. It is found that the catalyst prepared by colloid deposition method (Pt/Fe_2O_3-CD) exhibited relatively high catalytic activity, which could completely oxidize HCHO even at room temperature. Based on a variety of physical-chemical characterization results, it is proposed that the presence of suitable interaction between Pt particles and iron oxide supports (i.e., Ft-O-Fe), which would influence the structure and properties of iron oxide supports, should play a positive role in determining the catalytic activity of Pt/Fe_2O_3-CD catalyst.
机译:氧化铁负载的铂催化剂通过不同的方法制备,包括共沉淀,浸渍和胶体沉积方法。研究了这些催化剂对甲醛完全氧化的催化性能。发现通过胶体沉积法制备的催化剂(Pt / Fe_2O_3-CD)具有较高的催化活性,即使在室温下也能完全氧化HCHO。根据各种物理化学表征结果,建议应在Pt颗粒与氧化铁载体(即Ft-O-Fe)之间存在适当的相互作用,这会影响氧化铁载体的结构和性能。在确定Pt / Fe_2O_3-CD催化剂的催化活性中起积极作用。

著录项

  • 来源
    《Applied Surface Science》 |2013年第ptab期|805-809|共5页
  • 作者单位

    State Key Laboratory of Theoretical and Computational Chemistry, College of Chemistry, Jilin University, Changchun, 130021, China,Kunming Institute of Precious Metals, Sino-Platinum Co. Ltd., Kunming, 650106, China;

    State Key Laboratory of Theoretical and Computational Chemistry, College of Chemistry, Jilin University, Changchun, 130021, China;

    State Key Laboratory of Theoretical and Computational Chemistry, College of Chemistry, Jilin University, Changchun, 130021, China;

    State Key Laboratory of Theoretical and Computational Chemistry, College of Chemistry, Jilin University, Changchun, 130021, China;

    State Key Laboratory of Theoretical and Computational Chemistry, College of Chemistry, Jilin University, Changchun, 130021, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Pt catalysts; Formaldehyde oxidation; Metal-support interaction; Iron oxide;

    机译:铂催化剂;甲醛氧化;金属与载体的相互作用;氧化铁;

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