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首页> 外文期刊>Environmental Science & Technology >Conversion of Elemental Mercury with a Novel Membrane Delivery Catalytic Oxidation System (MDCOs)
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Conversion of Elemental Mercury with a Novel Membrane Delivery Catalytic Oxidation System (MDCOs)

机译：用新型膜输送催化氧化系统（MDCO）转换元素汞

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摘要

In order to overcome the shortcomings of trie traditional catalytic oxidation (TCO) mode for the conversion of the trace level of elemental mercury (Hg°) in flue gas, we put forward a novel and unique assembly that integrated membrane delivery with catalytic oxidation systems (MDCOs), which combined the controlled delivery of oxidants with the catalytic oxidation of Hg°. The results show that the demanded HCI for Hg° conversion in the MDCOs was less than 5% of that in the TCO mode, and over 90% of Hg° removal efficiency can be obtained in the MDCOs with less than 0.5 mg m~(-3) of HCI escaped. Meanwhile, the inhibition of SO_2 to Hg° catalytic conversion in the MDCOs was also less significant than in the TCO. The MDCOs have high retainability for HCI, which is quite favorable to Hg° conversion and HCI utilization. The reaction mechanism on mercury conversion in the MDCOs is discussed. The MDCOs appear to be a promising method for emission control of elemental mercury.
机译：为了克服传统的催化氧化（TCO）模式转换烟气中痕量汞（Hg°）的缺点，我们提出了一种新颖独特的组件，该组件将膜输送与催化氧化系统集成在一起（ MDCOs），它结合了氧化剂的受控输送和Hg°的催化氧化。结果表明，MDCO中Hg转化所需的HCl小于TCO模式下的5％，而MDCO小于0.5 mg m〜（-时，可以获得90％以上的Hg°去除效率。 3）HCI逃脱了。同时，MDCO中SO_2向Hg°催化转化的抑制作用也比TCO中抑制作用小。 MDCO对HCI具有很高的保留能力，这对于Hg°转化和HCI的利用非常有利。讨论了MDCO中汞转化的反应机理。 MDCO似乎是一种控制元素汞排放的有前途的方法。

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  • 来源
    《Environmental Science & Technology》 |2011年第2期|p.706-711|共6页
  • 作者

    YONGFU GUO; NAIQIANG YAN; SHIJIAN YANG; ZAN QU; ZHONGBIAO WU; YUE LIU; PING LIU; JINPING JIA;

  • 作者单位

    School of Environmental Science and Engineering, Shanghai Iiao Tong University, Shanghai, 200240, China;

    rnSchool of Environmental Science and Engineering, Shanghai Iiao Tong University, Shanghai, 200240, China;

    rnSchool of Environmental Science and Engineering, Shanghai Iiao Tong University, Shanghai, 200240, China;

    rnSchool of Environmental Science and Engineering, Shanghai Iiao Tong University, Shanghai, 200240, China;

    rnDepartment of Environmental Engineering, Zhejiang University,Hangzhou 310027, China;

    rnDepartment of Environmental Engineering, Zhejiang University,Hangzhou 310027, China;

    rnSchool of Environmental Science and Engineering, Shanghai Iiao Tong University, Shanghai, 200240, China;

    rnSchool of Environmental Science and Engineering, Shanghai Iiao Tong University, Shanghai, 200240, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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  • 入库时间 2022-08-17 14:03:34

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