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首页> 外文期刊>Fuel >Removal of elemental mercury by bamboo charcoal impregnated with H_2O_2
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Removal of elemental mercury by bamboo charcoal impregnated with H_2O_2

机译：H_2O_2浸渍竹炭去除汞的研究。

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摘要

Mercury emission from coal combustion is an increasing environmental concern due to its high volatility and toxicity, and activated carbon (AC) adsorption has been proven an effective mercury-control method, with high-cost limit. The renewable bioresource of bamboo constitutes an important precursor for acti vated carbon, and the bamboo charcoal (BC) may act as low-cost sorbent used in the mercury-control. The adsorptive potential of BC and modified BC using H_2O_2 for elemental mercury was investigated for the first time through a parametric study conducted with a bench-scale bed. The effects of pore structure and surface chemistry were investigated based on BET, XPS. Which suggest that BC materials have excel lent adsorption potential for elemental mercury, especially after modified by H_2O_2. The modification using H_2O_2 altered the physical and chemical properties of BC materials, making the sorbents more effec tive in mercury adsorption even at a relative higher temperature, and the enhancing-effect was more obvious with increasing H_2O_2.
机译：燃煤产生的汞由于其高挥发性和高毒性而日益引起人们的环境关注，而活性炭（AC）吸附已被证明是一种有效的汞控制方法，且成本较高。竹子的可再生生物资源是活化碳的重要前体，竹炭（BC）可以作为控制汞的低成本吸附剂。通过在工作台上进行的参数研究，首次研究了BC和使用H_2O_2的改性BC对元素汞的吸附潜力。基于BET，XPS研究了孔结构和表面化学的影响。这表明BC材料对元素汞具有极好的吸附潜力，尤其是在H_2O_2改性后。 H_2O_2的改性改变了BC材料的物理和化学性质，即使在相对较高的温度下，吸附剂对汞的吸附也更有效，并且随着H_2O_2的增加，其增强作用更加明显。

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  • 来源
    《Fuel》 |2011年第4期|p.1471-1475|共5页
  • 作者

    Zengqiang Tan; Jianrong Qiu; Hancai Zeng; Hao Liu Jun Xiang;

  • 作者单位

    Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan, Hubei 430074, PR China;

    Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan, Hubei 430074, PR China;

    Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan, Hubei 430074, PR China;

    Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan, Hubei 430074, PR China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    bamboo charcoal; elemental mercury; adsorption; h_2o;

    机译：竹炭元素汞;吸附h_2o;

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