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首页> 外文期刊>Journal of industrial and engineering chemistry >Photocatalytic oxidation of gas-phase Hg-0 by carbon spheres supported visible-light-driven CuO-TiO2
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Photocatalytic oxidation of gas-phase Hg-0 by carbon spheres supported visible-light-driven CuO-TiO2

机译：碳球的光催化氧化气相HG-0负载可见光驱动CuO-TiO2

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摘要

A simplified approach for the fabrication of CuO/TiO2@C is demonstrated. In this study, low cost CuO/ TiO2@C photocatalysts (CSs loading 0.25-2 wt.%) were prepared, characterized and evaluated for gas phase He oxidation. The obtained CuO/TiO2@C photocatalysts were used to remove gaseous elemental mercury under UV light and LED respectively, and the optimum doping of content of CSs was determined. The results showed that the CuOiTiO(2)@C photocatalysts were highly efficient in oxidizing Hg, reaching above 64% when the CSs doping reached 0.5 wt.%. We have proposed that the probable mechanism by which CuOiTiO(2)@C photocatalysts remove gaseous elemental mercury: with CSs doping, CSs can act as sensitizer and transfer electrons to the semiconductors, triggering the formation of very reactive radicals to improve photocatalytic efficiency. (C) 2016 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译：证实了CuO / TiO2 @ C制备的简化方法。 在该研究中，制备低成本Cuo / TiO2 @ C光催化剂（CSS加载0.25-2重量％），表征和评估他氧化的气相。 使用的CuO / TiO 2 @ C光催化剂用于分别在紫外光和LED下除去气态元素汞，并测定CSS含量的最佳掺杂。 结果表明，当CSS掺杂达到0.5重量％时，CuoitiO（2）的CuoitiO（2）粒子光催化剂在氧化Hg中高效达到64％。 我们提出了Cuoitio（2）@c光催化剂去除气体元素汞的可能机制：用CSS掺杂，CSS可以作为敏化剂和转移电子给半导体，触发形成非常活泼的自由基以提高光催化效率。 （c）2016年韩国工程和工程化学学会。 elsevier b.v出版。保留所有权利。

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  • 来源
  • 作者

    Wu Jiang; Li Chaoen; Chen Xiantuo; Zhang Jing; Zhao Lili; Huang Tianfang; Hu Tao; Zhang Chong; Ni Bu; Zhou Xiao; Liang Pankun; Zhang Wenbo;

  • 作者单位

    Shanghai Univ Elect Power Coll Energy &

    Mech Engn Shanghai 200090 Peoples R China;

    Tongji Univ Sch Mech Engn Shanghai 201804 Peoples R China;

    Shanghai Univ Elect Power Coll Energy &

    Mech Engn Shanghai 200090 Peoples R China;

    Shanghai Univ Elect Power Coll Energy &

    Mech Engn Shanghai 200090 Peoples R China;

    Shanghai Univ Elect Power Coll Energy &

    Mech Engn Shanghai 200090 Peoples R China;

    Shanghai Univ Elect Power Coll Energy &

    Mech Engn Shanghai 200090 Peoples R China;

    Shanghai Univ Elect Power Coll Energy &

    Mech Engn Shanghai 200090 Peoples R China;

    Shanghai Univ Elect Power Coll Energy &

    Mech Engn Shanghai 200090 Peoples R China;

    Shanghai Univ Elect Power Coll Energy &

    Mech Engn Shanghai 200090 Peoples R China;

    Shanghai Univ Elect Power Coll Energy &

    Mech Engn Shanghai 200090 Peoples R China;

    Shanghai Univ Elect Power Coll Energy &

    Mech Engn Shanghai 200090 Peoples R China;

    Shanghai Univ Elect Power Coll Energy &

    Mech Engn Shanghai 200090 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学工业;
  • 关键词

    Carbon spheres; TiO2; CuO; Photocatalysis; Gas-phase Hg-0;

    机译：碳球;TiO2;CUO;光催化;气相HG-0;

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