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复杂烟气条件下太西活性焦脱除Hg0的实验研究

张海茹 ,  刘浩 ,  王萌 ,  吴昊 ,  杨宏旻

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引用本文: 张海茹, 刘浩, 王萌, 吴昊, 杨宏旻. 复杂烟气条件下太西活性焦脱除Hg0的实验研究[J]. 燃料化学学报, 2012, 40(10): 1269-1275. shu
Citation:  ZHANG Hai-ru, LIU Hao, WANG Meng, WU Hao, YANG Hong-min. Experimental study on mercury removal by Taixi activated coke under complex atmosphere of flue gases[J]. Journal of Fuel Chemistry and Technology, 2012, 40(10): 1269-1275. shu

复杂烟气条件下太西活性焦脱除Hg0的实验研究

    通讯作者: 杨宏旻,Tel:025-85481132(O);Fax:025-85481273;E-mail:yanghongmin@njnu.edu.cn。
  • 基金项目:

    国家自然科学基金 (50976049) (50976049)

    江苏省自然科学基金(BK2011788)。 (BK2011788)

摘要: 为了解复杂烟气条件下活性焦吸附剂的脱汞特性,利用汞渗透管和主要气体成分模拟复杂烟气,在实验室规模的固态吸附剂汞吸附效能测定系统上,进行了太西活性焦吸附单质汞的实验研究,并采用FT-IR对活性焦表面进行了光谱表征。结果表明,在活性焦表面存在各种含氧官能团;在CO2/N2/O2/SO2/Hg0烟气体系中,当SO2加入量为400、855、1 520 mL/m3时,出口汞浓度分别为36、43、48 μg/m3,SO2对系统吸附Hg0的能力有抑制作用;在CO2/N2/O2/NO/Hg0烟气体系中,较低浓度的NO对Hg0脱除有抑制作用,而高浓度值的NO抑制作用减弱;在CO2/N2/O2/NO/SO2/Hg0烟气体系下,提高NO浓度对Hg0脱除有一定的促进作用,而提高SO2浓度初期促进汞的脱除,后期则表现为抑制作用。

English

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  • 收稿日期:  2011-12-13
  • 网络出版日期:  2012-02-28
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